feat:docker镜像构建发布

.dockerignore

@@ -0,0 +1,91 @@
+# ==============================================
+# Docker 忽略文件
+# 优化构建上下文，减少构建时间
+# ==============================================
+
+# Git 相关
+.git
+.gitignore
+.gitattributes
+
+# 文档
+README.md
+*.md
+docs/
+
+# 开发配置
+.env
+.env.local
+.env.development
+.env.test
+.env.production
+.envrc
+
+# IDE 和编辑器
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Node.js
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.npm
+.yarn-integrity
+
+# Next.js
+chuan-next/.next/
+chuan-next/out/
+chuan-next/.env*
+chuan-next/build.log
+
+# Go 相关
+# *.sum  # 注释掉这行，因为需要 go.sum 文件
+vendor/
+
+# 构建输出
+dist/
+build/
+*.exe
+*.exe~
+
+# 日志文件
+*.log
+logs/
+
+# 临时文件
+tmp/
+temp/
+.tmp
+
+# OS 生成文件
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Docker 相关
+Dockerfile*
+docker-compose*
+.dockerignore
+
+# CI/CD
+.github/
+.gitlab-ci.yml
+.travis.yml
+.circleci/
+
+# 测试
+coverage/
+.nyc_output/
+.coverage
+
+# 其他构建工具
+.sass-cache/
+.cache/

.github/workflows/docker-publish.yml

@@ -0,0 +1,129 @@
+name: 🐳 Build and Push Docker Image
+
+on:
+  # 手动触发
+  workflow_dispatch:
+    inputs:
+      version:
+        description: '版本号 (例如: v1.0.5)'
+        required: true
+        default: 'v1.0.5'
+        type: string
+      push_to_hub:
+        description: '推送到 Docker Hub'
+        required: true
+        default: true
+        type: boolean
+      build_multiarch:
+        description: '构建多架构镜像 (amd64 + arm64)'
+        required: true
+        default: true
+        type: boolean
+
+  # 推送标签时触发
+  push:
+    tags:
+      - 'v*.*.*'
+
+  # PR 时构建测试（不推送）
+  pull_request:
+    branches: [ main ]
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: matrixseven/file-transfer-go
+
+jobs:
+  build:
+    name: 🏗️ Build & Push Docker Image
+    runs-on: ubuntu-latest
+    
+    permissions:
+      contents: read
+      packages: write
+      
+    steps:
+      - name: 📥 Checkout code
+        uses: actions/checkout@v4
+        
+      - name: 🏷️ Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=raw,value=${{ inputs.version }},enable=${{ github.event_name == 'workflow_dispatch' }}
+
+      - name: 🔧 Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+
+      - name: 🔑 Login to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+
+      - name: 🐳 Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: ${{ (github.event_name == 'workflow_dispatch' && inputs.build_multiarch == true) || github.event_name == 'push' && 'linux/amd64,linux/arm64' || 'linux/amd64' }}
+          push: ${{ github.event_name != 'pull_request' && (inputs.push_to_hub != false) }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: 📊 Image digest
+        if: github.event_name != 'pull_request'
+        run: echo ${{ steps.build.outputs.digest }}
+        
+      - name: 🎉 Build Summary
+        if: always()
+        run: |
+          echo "## 🐳 Docker Build Summary" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "### 📦 Image Details" >> $GITHUB_STEP_SUMMARY
+          echo "- **Registry**: ${{ env.REGISTRY }}" >> $GITHUB_STEP_SUMMARY
+          echo "- **Image**: ${{ env.IMAGE_NAME }}" >> $GITHUB_STEP_SUMMARY
+          echo "- **Tags**: ${{ steps.meta.outputs.tags }}" >> $GITHUB_STEP_SUMMARY
+          echo "- **Platforms**: ${{ (github.event_name == 'workflow_dispatch' && inputs.build_multiarch == true) || github.event_name == 'push' && 'linux/amd64,linux/arm64' || 'linux/amd64' }}" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "### 🚀 Usage" >> $GITHUB_STEP_SUMMARY
+          echo '```bash' >> $GITHUB_STEP_SUMMARY
+          echo "docker run -d -p 8080:8080 ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ inputs.version || 'latest' }}" >> $GITHUB_STEP_SUMMARY
+          echo '```' >> $GITHUB_STEP_SUMMARY
+
+  security-scan:
+    name: 🔍 Security Scan
+    runs-on: ubuntu-latest
+    needs: build
+    if: github.event_name != 'pull_request'
+    
+    steps:
+      - name: 📥 Checkout code
+        uses: actions/checkout@v4
+        
+      - name: 🔍 Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest'
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+          
+      - name: 📤 Upload Trivy scan results
+        uses: github/codeql-action/upload-sarif@v3
+        if: always()
+        with:
+          sarif_file: 'trivy-results.sarif'

Dockerfile

@@ -0,0 +1,65 @@
+# ==============================================
+# 最简 Dockerfile - 专为 Docker 环境优化
+# ==============================================
+
+FROM node:20-alpine AS builder
+
+# 国内镜像源优化
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories && \
+    npm config set registry https://registry.npmmirror.com
+
+# 安装必要工具
+RUN apk add --no-cache bash git curl wget make ca-certificates tzdata
+
+# 安装 Go
+ENV GO_VERSION=1.21.5
+RUN wget https://mirrors.aliyun.com/golang/go${GO_VERSION}.linux-amd64.tar.gz && \
+    tar -C /usr/local -xzf go${GO_VERSION}.linux-amd64.tar.gz && \
+    rm go${GO_VERSION}.linux-amd64.tar.gz
+
+# Go 环境
+ENV PATH=/usr/local/go/bin:$PATH
+ENV GOPROXY=https://goproxy.cn,direct
+
+WORKDIR /app
+
+# Go 依赖
+COPY go.mod go.sum ./
+RUN go mod download
+
+# 前端依赖和构建
+COPY chuan-next/package.json ./chuan-next/
+RUN cd chuan-next && npm install
+
+COPY chuan-next/ ./chuan-next/
+# 临时移除 API 目录进行 SSG 构建（模仿 build-fullstack.sh）
+RUN cd chuan-next && \
+    if [ -d "src/app/api" ]; then mv src/app/api /tmp/api-backup; fi && \
+    NEXT_EXPORT=true npm run build && \
+    if [ -d "/tmp/api-backup" ]; then mv /tmp/api-backup src/app/api; fi
+
+# Go 源码和构建
+COPY cmd/ ./cmd/
+COPY internal/ ./internal/
+
+# 嵌入前端文件
+RUN mkdir -p internal/web/frontend && \
+    cp -r chuan-next/out/* internal/web/frontend/
+
+# 构建 Go 应用
+RUN CGO_ENABLED=0 go build -ldflags='-w -s' -o server ./cmd
+
+# ==============================================
+
+FROM alpine:3.18
+
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories && \
+    apk add --no-cache ca-certificates tzdata && \
+    adduser -D -s /bin/sh appuser
+
+WORKDIR /app
+COPY --from=builder --chown=appuser:appuser /app/server ./
+USER appuser
+
+EXPOSE 8080
+CMD ["./server"]

README.md

@@ -3,7 +3,7 @@
 
 **安全、快速、简单的点对点文件传输解决方案 - 无需注册，即传即用**
 
-[在线体验](https://transfer.52python.cn) • [GitHub](https://github.com/MatrixSeven/file-transfer-go)
+## [在线体验](https://transfer.52python.cn) • [GitHub](https://github.com/MatrixSeven/file-transfer-go)
 
 ![项目演示](img.png)
 
@@ -31,6 +31,12 @@
 
 ## 🔄 最近更新日志
 
+### 2025-08-28
+- ✅ **完善Docker部署支持** - 优化Docker配置，支持一键部署和多环境配置
+- ✅ **优化README文档** - 更新项目说明，完善部署指南和技术栈信息
+- ✅ **改进UI用户体验** - 优化界面细节，完善错误提示和加载状态
+- ✅ **重构Hooks架构** - 拆分复杂hooks，提高代码复用性和可维护性
+
 ### 2025-08-24
 - ✅ **文件传输 ACK 确认支持** - 实现了可靠的数据传输机制，每个数据块都需要接收方确认
 - ✅ **修复组件渲染后重复注册/解绑 bug** - 解决了 React 组件重复渲染导致的处理器反复注册问题
@@ -44,14 +50,50 @@
 
 ## 🚀 技术栈
 
+### 前端技术栈
+- **Next.js 15** - React全栈框架，支持SSR/SSG
+- **React 18** - 现代化UI组件库
+- **TypeScript 5** - 类型安全的JavaScript超集
+- **Tailwind CSS 3.4** - 实用优先的CSS框架
+- **Radix UI** - 无障碍访问的组件库
+- **Zustand** - 轻量级状态管理
+- **Lucide React** - 现代化图标库
+
+### 后端技术栈
+- **Go 1.22** - 高性能编程语言
+- **WebSocket** - 实时双向通信
+- **内存存储** - 轻量级数据存储
+- **标准库** - 原生HTTP服务器
+
+### 传输协议
+- **WebRTC DataChannel** - 端到端数据传输
+- **P2P直连** - 点对点连接，无需中转
+- **ICE框架** - 网络连接协商
+- **STUN/TURN** - NAT穿透支持
 
 
-**前端** - Next.js 15 + React 18 + TypeScript + Tailwind CSS  
-**后端** - Go + WebSocket + 内存存储  
-**传输** - WebRTC DataChannel + P2P直连
+### 架构特点
+- **微服务架构** - 前后端分离
+- **实时通信** - WebSocket + WebRTC
+- **响应式设计** - 移动端适配
+- **容器化** - Docker部署支持
 
 ## 📦 快速部署
 
+### 方式一：Docker 一键部署（推荐）
+
+```bash
+# 使用 Docker Compose（最简单）
+git clone https://github.com/MatrixSeven/file-transfer-go.git
+cd file-transfer-go
+docker-compose up -d
+
+# 或者直接使用 Docker 镜像
+docker run -d -p 8080:8080 --name file-transfer-go matrixseven/file-transfer:latest
+```
+
+### 方式二：本地构建部署
+
 ```bash
 git clone https://github.com/MatrixSeven/file-transfer-go.git
 cd file-transfer-go
@@ -61,6 +103,44 @@ cd file-transfer-go
 
 访问 http://localhost:8080 开始使用
 
+### 方式三：开发环境部署
+
+```bash
+# 后端服务
+make dev
+
+# 前端服务（新终端）
+cd chuan-next && yarn && yarn dev
+```
+
+### 部署配置说明
+
+#### 环境变量配置
+- `NODE_ENV`: 运行环境（development/production）
+- `PORT`: 服务端口（默认8080）
+- `GO_BACKEND_URL`: 后端服务地址
+
+#### Docker 配置选项
+```yaml
+# docker-compose.yml 可配置项
+environment:
+  - NODE_ENV=production
+  - PORT=8080
+ports:
+  - "8080:8080"
+restart: unless-stopped
+```
+
+#### 多架构支持
+项目支持多架构Docker镜像：
+- `linux/amd64` - x86_64 架构
+- `linux/arm64` - ARM 64位架构
+
+#### 镜像版本
+- `latest` - 最新稳定版本
+- `v1.0.x` - 特定版本号
+- `dev` - 开发版本
+
 ## 🎯 使用方法
 
 ### 发送文件

chuan-next/src/app/HomePage.tsx

@@ -1,46 +1,57 @@
 "use client";
 
 import React, { useEffect, useState } from 'react';
-import { useSearchParams } from 'next/navigation';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
-import { Upload, MessageSquare, Monitor, TestTube } from 'lucide-react';
+import { Upload, MessageSquare, Monitor, Users } from 'lucide-react';
 import Hero from '@/components/Hero';
 import { WebRTCFileTransfer } from '@/components/WebRTCFileTransfer';
 import { WebRTCTextImageTransfer } from '@/components/WebRTCTextImageTransfer';
 import DesktopShare from '@/components/DesktopShare';
+import WeChatGroup from '@/components/WeChatGroup';
+import { WebRTCUnsupportedModal } from '@/components/WebRTCUnsupportedModal';
+import { ConfirmDialog } from '@/components/ui/confirm-dialog';
+import { useWebRTCSupport } from '@/hooks/connection';
+import { useTabNavigation, TabType } from '@/hooks/ui';
 
 export default function HomePage() {
-  const searchParams = useSearchParams();
-  const [activeTab, setActiveTab] = useState('webrtc');
-  const [hasInitialized, setHasInitialized] = useState(false);
+  // 使用tab导航hook
+  const { 
+    activeTab, 
+    handleTabChange, 
+    getConnectionInfo, 
+    hasInitialized,
+    confirmDialogState,
+    closeConfirmDialog
+  } = useTabNavigation();
   
-  // 根据URL参数设置初始标签（仅首次加载时）
-  useEffect(() => {
-    if (!hasInitialized) {
-      const urlType = searchParams.get('type');
-      
-      console.log('=== HomePage URL处理 ===');
-      console.log('URL type参数:', urlType);
-      console.log('所有搜索参数:', Object.fromEntries(searchParams.entries()));
-      
-      // 将旧的text类型重定向到message
-      if (urlType === 'text') {
-        console.log('检测到text类型，重定向到message标签页');
-        setActiveTab('message');
-      } else if (urlType === 'webrtc') {
-        // webrtc类型对应文件传输标签页
-        console.log('检测到webrtc类型，切换到webrtc标签页（文件传输）');
-        setActiveTab('webrtc');
-      } else if (urlType && ['message', 'desktop'].includes(urlType)) {
-        console.log('切换到对应标签页:', urlType);
-        setActiveTab(urlType);
-      } else {
-        console.log('没有有效的type参数，使用默认标签页：webrtc（文件传输）');
-      }
-      
-      setHasInitialized(true);
-    }
-  }, [searchParams, hasInitialized]);
+  // WebRTC 支持检测
+  const {
+    webrtcSupport,
+    isSupported,
+    isChecked,
+    showUnsupportedModal,
+    closeUnsupportedModal,
+    showUnsupportedModalManually,
+  } = useWebRTCSupport();
+
+  // 桌面共享功能的占位符函数（保持向后兼容）
+  const handleStartSharing = async () => {
+    console.log('开始桌面共享');
+  };
+
+  const handleStopSharing = async () => {
+    console.log('停止桌面共享');
+  };
+
+  const handleJoinSharing = async (code: string) => {
+    console.log('加入桌面共享:', code);
+  };
+
+  // 处理Tabs组件的字符串参数
+  const handleTabChangeWrapper = (value: string) => {
+    // 类型转换并调用实际的处理函数
+    handleTabChange(value as TabType);
+  };
 
   return (
     <div className="min-h-screen bg-gradient-to-br from-slate-50 to-blue-50">
@@ -50,56 +61,137 @@ export default function HomePage() {
           <Hero />
         </div>
 
-        {/* Main Content */}
-        <div className="max-w-4xl mx-auto">
-          <Tabs value={activeTab} onValueChange={setActiveTab} className="w-full">
-            {/* Tabs Navigation - 横向布局 */}
-            <div className="mb-6">
-              <TabsList className="grid w-full grid-cols-3 max-w-xl mx-auto h-auto bg-white/90 backdrop-blur-sm shadow-lg rounded-xl p-2 border border-slate-200">
-                <TabsTrigger 
-                  value="webrtc" 
-                  className="flex items-center justify-center space-x-2 px-3 py-3 text-sm font-medium rounded-lg transition-all duration-200 hover:bg-slate-50 data-[state=active]:bg-blue-500 data-[state=active]:text-white data-[state=active]:shadow-md data-[state=active]:hover:bg-blue-600"
-                >
-                  <Upload className="w-4 h-4" />
-                  <span className="hidden sm:inline">文件传输</span>
-                  <span className="sm:hidden">文件</span>
-                </TabsTrigger>
-                <TabsTrigger 
-                  value="message" 
-                  className="flex items-center justify-center space-x-2 px-3 py-3 text-sm font-medium rounded-lg transition-all duration-200 hover:bg-slate-50 data-[state=active]:bg-emerald-500 data-[state=active]:text-white data-[state=active]:shadow-md data-[state=active]:hover:bg-emerald-600"
-                >
-                  <MessageSquare className="w-4 h-4" />
-                  <span className="hidden sm:inline">文本消息</span>
-                  <span className="sm:hidden">消息</span>
-                </TabsTrigger>
-                <TabsTrigger 
-                  value="desktop" 
-                  className="flex items-center justify-center space-x-2 px-3 py-3 text-sm font-medium rounded-lg transition-all duration-200 hover:bg-slate-50 data-[state=active]:bg-purple-500 data-[state=active]:text-white data-[state=active]:shadow-md data-[state=active]:hover:bg-purple-600"
-                >
-                  <Monitor className="w-4 h-4" />
-                  <span className="hidden sm:inline">共享桌面</span>
-                  <span className="sm:hidden">桌面</span>
-                </TabsTrigger>                
-              </TabsList>
+        {/* WebRTC 支持检测加载状态 */}
+        {!isChecked && (
+          <div className="max-w-4xl mx-auto text-center py-8">
+            <div className="animate-pulse">
+              <div className="h-4 bg-gray-200 rounded w-48 mx-auto mb-2"></div>
+              <div className="h-4 bg-gray-200 rounded w-32 mx-auto"></div>
             </div>
+            <p className="mt-4 text-gray-600">正在检测浏览器支持...</p>
+          </div>
+        )}
 
-            {/* Tab Content */}
-            <div>
-              <TabsContent value="webrtc" className="mt-0 animate-fade-in-up">
-                <WebRTCFileTransfer />
-              </TabsContent>
+        {/* 主要内容 - 只有在检测完成后才显示 */}
+        {isChecked && (
+          <div className="max-w-4xl mx-auto">
+            {/* WebRTC 不支持时的警告横幅 */}
+            {!isSupported && (
+              <div className="mb-6 p-4 bg-red-50 border border-red-200 rounded-lg">
+                <div className="flex items-center justify-between">
+                  <div className="flex items-center gap-2">
+                    <div className="w-2 h-2 bg-red-500 rounded-full animate-pulse"></div>
+                    <span className="text-red-700 font-medium">
+                      当前浏览器不支持 WebRTC，功能可能无法正常使用
+                    </span>
+                  </div>
+                  <button
+                    onClick={showUnsupportedModalManually}
+                    className="text-red-600 hover:text-red-800 text-sm underline"
+                  >
+                    查看详情
+                  </button>
+                </div>
+              </div>
+            )}
 
-              <TabsContent value="message" className="mt-0 animate-fade-in-up">
-                <WebRTCTextImageTransfer />
-              </TabsContent>
+            <Tabs value={activeTab} onValueChange={handleTabChangeWrapper} className="w-full">
+              {/* Tabs Navigation - 横向布局 */}
+              <div className="mb-6">
+                <TabsList className="grid w-full grid-cols-4 max-w-2xl mx-auto h-auto bg-white/90 backdrop-blur-sm shadow-lg rounded-xl p-2 border border-slate-200">
+                  <TabsTrigger 
+                    value="webrtc" 
+                    className="flex items-center justify-center space-x-2 px-3 py-3 text-sm font-medium rounded-lg transition-all duration-200 hover:bg-slate-50 data-[state=active]:bg-blue-500 data-[state=active]:text-white data-[state=active]:shadow-md data-[state=active]:hover:bg-blue-600"
+                    disabled={!isSupported}
+                  >
+                    <Upload className="w-4 h-4" />
+                    <span className="hidden sm:inline">文件传输</span>
+                    <span className="sm:hidden">文件</span>
+                    {!isSupported && <span className="text-xs opacity-60">*</span>}
+                  </TabsTrigger>
+                  <TabsTrigger 
+                    value="message" 
+                    className="flex items-center justify-center space-x-2 px-3 py-3 text-sm font-medium rounded-lg transition-all duration-200 hover:bg-slate-50 data-[state=active]:bg-emerald-500 data-[state=active]:text-white data-[state=active]:shadow-md data-[state=active]:hover:bg-emerald-600"
+                    disabled={!isSupported}
+                  >
+                    <MessageSquare className="w-4 h-4" />
+                    <span className="hidden sm:inline">文本消息</span>
+                    <span className="sm:hidden">消息</span>
+                    {!isSupported && <span className="text-xs opacity-60">*</span>}
+                  </TabsTrigger>
+                  <TabsTrigger 
+                    value="desktop" 
+                    className="flex items-center justify-center space-x-2 px-3 py-3 text-sm font-medium rounded-lg transition-all duration-200 hover:bg-slate-50 data-[state=active]:bg-purple-500 data-[state=active]:text-white data-[state=active]:shadow-md data-[state=active]:hover:bg-purple-600"
+                    disabled={!isSupported}
+                  >
+                    <Monitor className="w-4 h-4" />
+                    <span className="hidden sm:inline">共享桌面</span>
+                    <span className="sm:hidden">桌面</span>
+                    {!isSupported && <span className="text-xs opacity-60">*</span>}
+                  </TabsTrigger>
+                  <TabsTrigger 
+                    value="wechat" 
+                    className="flex items-center justify-center space-x-2 px-3 py-3 text-sm font-medium rounded-lg transition-all duration-200 hover:bg-slate-50 data-[state=active]:bg-green-500 data-[state=active]:text-white data-[state=active]:shadow-md data-[state=active]:hover:bg-green-600"
+                  >
+                    <Users className="w-4 h-4" />
+                    <span className="hidden sm:inline">微信群</span>
+                    <span className="sm:hidden">微信</span>
+                  </TabsTrigger>                
+                </TabsList>
+                
+                {/* WebRTC 不支持时的提示 */}
+                {!isSupported && (
+                  <p className="text-center text-xs text-gray-500 mt-2">
+                    * 需要 WebRTC 支持才能使用
+                  </p>
+                )}
+              </div>
 
-              <TabsContent value="desktop" className="mt-0 animate-fade-in-up">
-                <DesktopShare />
-              </TabsContent>
-            </div>
-          </Tabs>
-        </div>
+              {/* Tab Content */}
+              <div>
+                <TabsContent value="webrtc" className="mt-0 animate-fade-in-up">
+                  <WebRTCFileTransfer />
+                </TabsContent>
+
+                <TabsContent value="message" className="mt-0 animate-fade-in-up">
+                  <WebRTCTextImageTransfer />
+                </TabsContent>
+
+                <TabsContent value="desktop" className="mt-0 animate-fade-in-up">
+                  <DesktopShare />
+                </TabsContent>
+
+                <TabsContent value="wechat" className="mt-0 animate-fade-in-up">
+                  <WeChatGroup />
+                </TabsContent>
+              </div>
+            </Tabs>
+          </div>
+        )}
       </div>
+
+      {/* WebRTC 不支持提示模态框 */}
+      {webrtcSupport && (
+        <WebRTCUnsupportedModal
+          isOpen={showUnsupportedModal}
+          onClose={closeUnsupportedModal}
+          webrtcSupport={webrtcSupport}
+        />
+      )}
+
+      {/* 自定义确认对话框 */}
+      {confirmDialogState && (
+        <ConfirmDialog
+          isOpen={confirmDialogState.isOpen}
+          onClose={closeConfirmDialog}
+          onConfirm={confirmDialogState.onConfirm}
+          title={confirmDialogState.title}
+          message={confirmDialogState.message}
+          confirmText={confirmDialogState.confirmText}
+          cancelText={confirmDialogState.cancelText}
+          type={confirmDialogState.type}
+        />
+      )}
     </div>
   );
 }

chuan-next/src/app/api/create-room/route.ts

@@ -6,14 +6,14 @@ export async function POST(request: NextRequest) {
   try {
     console.log('API Route: Creating room, proxying to:', `${GO_BACKEND_URL}/api/create-room`);
     
-    const body = await request.json();
-    
+    // 不再需要解析和转发请求体，因为后端会忽略它们
     const response = await fetch(`${GO_BACKEND_URL}/api/create-room`, {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
       },
-      body: JSON.stringify(body),
+      // 发送空body即可
+      body: JSON.stringify({}),
     });
 
     const data = await response.json();

chuan-next/src/components/ConnectionStatus.tsx

@@ -1,6 +1,6 @@
 import React, { useEffect, useState, useMemo } from 'react';
 import { cn } from '@/lib/utils';
-import { useWebRTCStore } from '@/hooks/webrtc/webRTCStore';
+import { useWebRTCStore } from '@/hooks/index';
 
 interface ConnectionStatusProps {
   // 房间信息 - 只需要这个基本信息

chuan-next/src/components/DesktopShare.tsx

@@ -1,13 +1,12 @@
 "use client";
 
-import React, { useState, useCallback, useEffect } from 'react';
-import { useSearchParams, useRouter } from 'next/navigation';
+import React, { useState, useCallback } from 'react';
+import { useURLHandler } from '@/hooks/ui';
 import { Button } from '@/components/ui/button';
 import { Share, Monitor } from 'lucide-react';
 import  WebRTCDesktopReceiver from '@/components/webrtc/WebRTCDesktopReceiver';
 import  WebRTCDesktopSender from '@/components/webrtc/WebRTCDesktopSender';
-import { ConnectionStatus } from '@/components/ConnectionStatus';
-import { useWebRTCStore } from '@/hooks/webrtc/webRTCStore';
+import { useWebRTCStore } from '@/hooks/index';
 
 
 interface DesktopShareProps {
@@ -22,55 +21,28 @@ export default function DesktopShare({
   onStopSharing, 
   onJoinSharing 
 }: DesktopShareProps) {
-  const searchParams = useSearchParams();
-  const router = useRouter();
   const [mode, setMode] = useState<'share' | 'view'>('share');
   
   // 使用全局WebRTC状态
   const webrtcState = useWebRTCStore();
 
-  // 从URL参数中获取初始模式和房间代码
-  useEffect(() => {
-    const urlMode = searchParams.get('mode');
-    const type = searchParams.get('type');
-    const urlCode = searchParams.get('code');
-    
-    if (type === 'desktop' && urlMode) {
-      if (urlMode === 'send') {
-        setMode('share');
-      } else if (urlMode === 'receive') {
-        setMode('view');
-        // 如果URL中有房间代码，将在DesktopShareReceiver组件中自动加入
-      }
+  // 使用统一的URL处理器，带模式转换
+  const { updateMode, getCurrentRoomCode } = useURLHandler({
+    featureType: 'desktop',
+    onModeChange: setMode,
+    onAutoJoinRoom: onJoinSharing,
+    modeConverter: {
+      fromURL: (urlMode) => urlMode === 'send' ? 'share' : 'view',
+      toURL: (componentMode) => componentMode === 'share' ? 'send' : 'receive'
     }
-  }, [searchParams]);
-
-  // 更新URL参数
-  const updateMode = useCallback((newMode: 'share' | 'view') => {
-    setMode(newMode);
-    const currentUrl = new URL(window.location.href);
-    currentUrl.searchParams.set('type', 'desktop');
-    currentUrl.searchParams.set('mode', newMode === 'share' ? 'send' : 'receive');
-    // 清除代码参数，避免模式切换时的混乱
-    currentUrl.searchParams.delete('code');
-    router.replace(currentUrl.pathname + currentUrl.search);
-  }, [router]);
+  });
 
   // 获取初始房间代码（用于接收者模式）
   const getInitialCode = useCallback(() => {
-    const urlMode = searchParams.get('mode');
-    const type = searchParams.get('type');
-    const code = searchParams.get('code');
-    console.log('[DesktopShare] getInitialCode 调用, URL参数:', { type, urlMode, code });
-    
-    if (type === 'desktop' && urlMode === 'receive') {
-      const result = code || '';
-      console.log('[DesktopShare] getInitialCode 返回:', result);
-      return result;
-    }
-    console.log('[DesktopShare] getInitialCode 返回空字符串');
-    return '';
-  }, [searchParams]);
+    const code = getCurrentRoomCode();
+    console.log('[DesktopShare] getInitialCode 返回:', code);
+    return code;
+  }, [getCurrentRoomCode]);
 
   // 连接状态变化处理 - 现在不需要了，因为使用全局状态
   const handleConnectionChange = useCallback((connection: any) => {

chuan-next/src/components/WeChatGroup.tsx

@@ -0,0 +1,68 @@
+"use client";
+
+import React from 'react';
+import { Users } from 'lucide-react';
+
+export default function WeChatGroup() {
+    return (
+        <div className="bg-white/80 backdrop-blur-sm rounded-xl shadow-lg p-6 sm:p-8 animate-fade-in-up">
+            <div className="text-center">
+                {/* 标题 */}
+                <div className="mb-6">
+                    <div className="w-12 h-12 bg-gradient-to-br from-green-500 to-emerald-500 rounded-xl flex items-center justify-center mx-auto mb-4">
+                        <Users className="w-6 h-6 text-white" />
+                    </div>
+                    <h2 className="text-2xl font-bold text-slate-800 mb-2">加入微信交流群</h2>
+                    <p className="text-slate-600 text-lg">
+                        佬们有意见/建议/bug反馈或者奇思妙想想来交流，可以扫码加入
+                    </p>
+                </div>
+
+                {/* 二维码区域 */}
+                <div className="flex justify-center mb-6">
+                    <div className="bg-white rounded-2xl p-6 shadow-lg border border-slate-200">
+                        {/* 微信群二维码 - 请将此区域替换为实际的二维码图片 */}
+                        <div className="relative">
+                            <img
+                                src="https://cdn-img.luxika.cc//i/2025/08/25/68abd75c363a6.png"
+                                alt="微信群二维码"
+                                className="w-64 h-64 rounded-xl"
+                            />
+                        </div>
+                    </div>
+                </div>
+
+                {/* 说明文字 */}
+                <div className="bg-green-50 rounded-xl p-6 border border-green-200">
+                    <div className="text-sm text-green-700 space-y-2">
+                        <p className="text-base font-semibold text-green-800 mb-3">🎉 欢迎加入我们的交流群！</p>
+
+                        <div className="grid grid-cols-1 sm:grid-cols-2 gap-2 text-left">
+                            <div className="flex items-center space-x-2">
+                                <span>💬</span>
+                                <span>分享使用心得和建议</span>
+                            </div>
+                            <div className="flex items-center space-x-2">
+                                <span>🐛</span>
+                                <span>反馈问题和bug</span>
+                            </div>
+                            <div className="flex items-center space-x-2">
+                                <span>💡</span>
+                                <span>提出新功能想法</span>
+                            </div>
+                            <div className="flex items-center space-x-2">
+                                <span>🤝</span>
+                                <span>与其他用户交流技术</span>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+
+                {/* 额外信息 */}
+                <div className="mt-4 text-xs text-slate-500">
+                    <p>群内禁止广告和无关内容，专注技术交流</p>
+                </div>
+            </div>
+        </div>
+    );
+}

chuan-next/src/components/WebRTCConnectionStatus.tsx

@@ -0,0 +1,185 @@
+import React from 'react';
+import { AlertCircle, Wifi, WifiOff, Loader2, RotateCcw } from 'lucide-react';
+import { WebRTCConnection } from '@/hooks/connection/useSharedWebRTCManager';
+
+interface Props {
+  webrtc: WebRTCConnection;
+  className?: string;
+}
+
+/**
+ * WebRTC连接状态显示组件
+ * 显示详细的连接状态、错误信息和重试按钮
+ */
+export function WebRTCConnectionStatus({ webrtc, className = '' }: Props) {
+  const {
+    isConnected,
+    isConnecting,
+    isWebSocketConnected,
+    isPeerConnected,
+    error,
+    canRetry,
+    retry
+  } = webrtc;
+
+  // 状态图标
+  const getStatusIcon = () => {
+    if (isConnecting) {
+      return <Loader2 className="h-4 w-4 animate-spin text-blue-500" />;
+    }
+    
+    if (error) {
+      // 区分信息提示和错误
+      if (error.includes('对方已离开房间') || error.includes('已离开房间')) {
+        return <WifiOff className="h-4 w-4 text-yellow-500" />;
+      }
+      return <AlertCircle className="h-4 w-4 text-red-500" />;
+    }
+    
+    if (isPeerConnected) {
+      return <Wifi className="h-4 w-4 text-green-500" />;
+    }
+    
+    if (isWebSocketConnected) {
+      return <Wifi className="h-4 w-4 text-yellow-500" />;
+    }
+    
+    return <WifiOff className="h-4 w-4 text-gray-400" />;
+  };
+
+  // 状态文本
+  const getStatusText = () => {
+    if (error) {
+      return error;
+    }
+    
+    if (isConnecting) {
+      return '正在连接...';
+    }
+    
+    if (isPeerConnected) {
+      return 'P2P连接已建立';
+    }
+    
+    if (isWebSocketConnected) {
+      return '信令服务器已连接';
+    }
+    
+    return '未连接';
+  };
+
+  // 状态颜色
+  const getStatusColor = () => {
+    if (error) {
+      // 区分信息提示和错误
+      if (error.includes('对方已离开房间') || error.includes('已离开房间')) {
+        return 'text-yellow-600';
+      }
+      return 'text-red-600';
+    }
+    if (isConnecting) return 'text-blue-600';
+    if (isPeerConnected) return 'text-green-600';
+    if (isWebSocketConnected) return 'text-yellow-600';
+    return 'text-gray-600';
+  };
+
+  const handleRetry = async () => {
+    try {
+      await retry();
+    } catch (error) {
+      console.error('重试连接失败:', error);
+    }
+  };
+
+  return (
+    <div className={`flex items-center justify-between p-3 bg-white border rounded-lg ${className}`}>
+      <div className="flex items-center gap-2">
+        {getStatusIcon()}
+        <span className={`text-sm font-medium ${getStatusColor()}`}>
+          {getStatusText()}
+        </span>
+      </div>
+      
+      {/* 连接详细状态指示器 */}
+      <div className="flex items-center gap-1">
+        {/* WebSocket状态 */}
+        <div 
+          className={`w-2 h-2 rounded-full ${
+            isWebSocketConnected ? 'bg-green-400' : 'bg-gray-300'
+          }`}
+          title={isWebSocketConnected ? 'WebSocket已连接' : 'WebSocket未连接'}
+        />
+        
+        {/* P2P状态 */}
+        <div 
+          className={`w-2 h-2 rounded-full ${
+            isPeerConnected ? 'bg-green-400' : 'bg-gray-300'
+          }`}
+          title={isPeerConnected ? 'P2P连接已建立' : 'P2P连接未建立'}
+        />
+        
+        {/* 重试按钮 */}
+        {canRetry && (
+          <button
+            onClick={handleRetry}
+            disabled={isConnecting}
+            className="ml-2 p-1 text-gray-500 hover:text-blue-500 disabled:opacity-50 disabled:cursor-not-allowed"
+            title="重试连接"
+          >
+            <RotateCcw className={`h-3 w-3 ${isConnecting ? 'animate-spin' : ''}`} />
+          </button>
+        )}
+      </div>
+    </div>
+  );
+}
+
+/**
+ * 简单的连接状态指示器（用于空间受限的地方）
+ */
+export function WebRTCStatusIndicator({ webrtc, className = '' }: Props) {
+  const { isPeerConnected, isConnecting, error } = webrtc;
+  
+  if (error) {
+    // 区分信息提示和错误
+    if (error.includes('对方已离开房间') || error.includes('已离开房间')) {
+      return (
+        <div className={`flex items-center gap-1 ${className}`}>
+          <div className="w-2 h-2 bg-yellow-400 rounded-full" />
+          <span className="text-xs text-yellow-600">对方已离开</span>
+        </div>
+      );
+    }
+    return (
+      <div className={`flex items-center gap-1 ${className}`}>
+        <div className="w-2 h-2 bg-red-400 rounded-full animate-pulse" />
+        <span className="text-xs text-red-600">连接错误</span>
+      </div>
+    );
+  }
+  
+  if (isConnecting) {
+    return (
+      <div className={`flex items-center gap-1 ${className}`}>
+        <div className="w-2 h-2 bg-blue-400 rounded-full animate-pulse" />
+        <span className="text-xs text-blue-600">连接中</span>
+      </div>
+    );
+  }
+  
+  if (isPeerConnected) {
+    return (
+      <div className={`flex items-center gap-1 ${className}`}>
+        <div className="w-2 h-2 bg-green-400 rounded-full" />
+        <span className="text-xs text-green-600">已连接</span>
+      </div>
+    );
+  }
+  
+  return (
+    <div className={`flex items-center gap-1 ${className}`}>
+      <div className="w-2 h-2 bg-gray-300 rounded-full" />
+      <span className="text-xs text-gray-600">未连接</span>
+    </div>
+  );
+}

chuan-next/src/components/WebRTCFileTransfer.tsx

@@ -1,9 +1,9 @@
 "use client";
 
 import React, { useState, useEffect, useRef, useCallback, useMemo } from 'react';
-import { useSearchParams, useRouter } from 'next/navigation';
-import { useSharedWebRTCManager } from '@/hooks/webrtc/useSharedWebRTCManager';
-import { useFileTransferBusiness } from '@/hooks/webrtc/useFileTransferBusiness';
+import { useSharedWebRTCManager, useConnectionState, useRoomConnection } from '@/hooks/connection';
+import { useFileTransferBusiness, useFileListSync, useFileStateManager } from '@/hooks/file-transfer';
+import { useURLHandler } from '@/hooks/ui';
 import { Button } from '@/components/ui/button';
 import { useToast } from '@/components/ui/toast-simple';
 import { Upload, Download } from 'lucide-react';
@@ -20,29 +20,20 @@ interface FileInfo {
 }
 
 export const WebRTCFileTransfer: React.FC = () => {
-  const searchParams = useSearchParams();
-  const router = useRouter();
   const { showToast } = useToast();
   
-  // 独立的文件状态
-  const [selectedFiles, setSelectedFiles] = useState<File[]>([]);
-  const [fileList, setFileList] = useState<FileInfo[]>([]);
-  const [downloadedFiles, setDownloadedFiles] = useState<Map<string, File>>(new Map());
+  // 基础状态
+  const [mode, setMode] = useState<'send' | 'receive'>('send');
+  const [pickupCode, setPickupCode] = useState('');
   const [currentTransferFile, setCurrentTransferFile] = useState<{
     fileId: string;
     fileName: string;
     progress: number;
   } | null>(null);
   
-  // 房间状态
-  const [pickupCode, setPickupCode] = useState('');
-  const [mode, setMode] = useState<'send' | 'receive'>('send');
-  const [hasProcessedInitialUrl, setHasProcessedInitialUrl] = useState(false);
-  const [isJoiningRoom, setIsJoiningRoom] = useState(false); // 添加加入房间状态
-  const urlProcessedRef = useRef(false); // 使用 ref 防止重复处理 URL
   const fileInputRef = useRef<HTMLInputElement>(null);
   
-  // 创建共享连接 - 使用 useMemo 稳定引用
+  // 创建共享连接
   const connection = useSharedWebRTCManager();
   const stableConnection = useMemo(() => connection, [connection.isConnected, connection.isConnecting, connection.isWebSocketConnected, connection.error]);
   
@@ -63,241 +54,70 @@ export const WebRTCFileTransfer: React.FC = () => {
     onFileProgress
   } = useFileTransferBusiness(stableConnection);
 
-  // 加入房间 (接收模式) - 提前定义以供 useEffect 使用
+  // 使用自定义 hooks
+  const { syncFileListToReceiver } = useFileListSync({
+    sendFileList,
+    mode,
+    pickupCode,
+    isConnected,
+    isPeerConnected: connection.isPeerConnected,
+    getChannelState: connection.getChannelState
+  });
+
+  const {
+    selectedFiles,
+    setSelectedFiles,
+    fileList,
+    setFileList,
+    downloadedFiles,
+    setDownloadedFiles,
+    handleFileSelect,
+    clearFiles,
+    resetFiles,
+    updateFileStatus,
+    updateFileProgress
+  } = useFileStateManager({
+    mode,
+    pickupCode,
+    syncFileListToReceiver,
+    isPeerConnected: connection.isPeerConnected
+  });
+
+  const { joinRoom: originalJoinRoom, isJoiningRoom } = useRoomConnection({
+    connect,
+    isConnecting,
+    isConnected
+  });
+
+  // 包装joinRoom函数以便设置pickupCode
   const joinRoom = useCallback(async (code: string) => {
-    console.log('=== 加入房间 ===');
-    console.log('取件码:', code);
-    
-    const trimmedCode = code.trim();
-    
-    // 检查取件码格式
-    if (!trimmedCode || trimmedCode.length !== 6) {
-      showToast('请输入正确的6位取件码', "error");
-      return;
-    }
+    setPickupCode(code);
+    await originalJoinRoom(code);
+  }, [originalJoinRoom]);
 
-    // 防止重复调用 - 检查是否已经在连接或已连接
-    if (isConnecting || isConnected || isJoiningRoom) {
-      console.log('已在连接中或已连接，跳过重复的房间状态检查');
-      return;
-    }
-    
-    setIsJoiningRoom(true);
-    
-    try {
-      // 先检查房间状态
-      console.log('检查房间状态...');
-      
-      const response = await fetch(`/api/room-info?code=${trimmedCode}`);
-      
-      if (!response.ok) {
-        throw new Error(`HTTP ${response.status}: 无法检查房间状态`);
-      }
-      
-      const result = await response.json();
-      
-      if (!result.success) {
-        let errorMessage = result.message || '房间不存在或已过期';
-        if (result.message?.includes('expired')) {
-          errorMessage = '房间已过期，请联系发送方重新创建';
-        } else if (result.message?.includes('not found')) {
-          errorMessage = '房间不存在，请检查取件码是否正确';
-        }
-        showToast(errorMessage, "error");
-        return;
-      }
-      
-      // 检查发送方是否在线 (使用新的字段名)
-      if (!result.sender_online) {
-        showToast('发送方不在线，请确认取件码是否正确或联系发送方', "error");
-        return;
-      }
-      
-      console.log('房间状态检查通过，开始连接...');
-      setPickupCode(trimmedCode);
-      
-      connect(trimmedCode, 'receiver');
-      
-      showToast(`正在连接到房间: ${trimmedCode}`, "success");
-    } catch (error) {
-      console.error('检查房间状态失败:', error);
-      let errorMessage = '检查房间状态失败';
-      
-      if (error instanceof Error) {
-        if (error.message.includes('network') || error.message.includes('fetch')) {
-          errorMessage = '网络连接失败，请检查网络状况';
-        } else if (error.message.includes('timeout')) {
-          errorMessage = '请求超时，请重试';
-        } else if (error.message.includes('HTTP 404')) {
-          errorMessage = '房间不存在，请检查取件码';
-        } else if (error.message.includes('HTTP 500')) {
-          errorMessage = '服务器错误，请稍后重试';
-        } else {
-          errorMessage = error.message;
-        }
-      }
-      
-      showToast(errorMessage, "error");
-    } finally {
-      setIsJoiningRoom(false); // 重置加入房间状态
-    }
-  }, [isConnecting, isConnected, isJoiningRoom, showToast, connect]); // 添加isJoiningRoom依赖
+  const { updateMode } = useURLHandler({
+    featureType: 'webrtc',
+    onModeChange: setMode,
+    onAutoJoinRoom: joinRoom
+  });
 
-  // 从URL参数中获取初始模式（仅在首次加载时处理）
-  useEffect(() => {
-    // 使用 ref 确保只处理一次，避免严格模式的重复调用
-    if (urlProcessedRef.current) {
-      console.log('URL已处理过，跳过重复处理');
-      return;
-    }
-
-    const urlMode = searchParams.get('mode') as 'send' | 'receive';
-    const type = searchParams.get('type');
-    const code = searchParams.get('code');
-    
-    // 只在首次加载且URL中有webrtc类型时处理
-    if (!hasProcessedInitialUrl && type === 'webrtc' && urlMode && ['send', 'receive'].includes(urlMode)) {
-      console.log('=== 处理初始URL参数 ===');
-      console.log('URL模式:', urlMode, '类型:', type, '取件码:', code);
-      
-      // 立即标记为已处理，防止重复
-      urlProcessedRef.current = true;
-      
-      setMode(urlMode);
-      setHasProcessedInitialUrl(true);
-      
-      if (code && urlMode === 'receive') {
-        console.log('URL中有取件码，自动加入房间');
-        // 防止重复调用 - 检查连接状态和加入房间状态
-        if (!isConnecting && !isConnected && !isJoiningRoom) {
-          // 直接调用异步函数，不依赖 joinRoom
-          const autoJoinRoom = async () => {
-            const trimmedCode = code.trim();
-            
-            if (!trimmedCode || trimmedCode.length !== 6) {
-              showToast('请输入正确的6位取件码', "error");
-              return;
-            }
-
-            setIsJoiningRoom(true);
-            
-            try {
-              console.log('检查房间状态...');
-              const response = await fetch(`/api/room-info?code=${trimmedCode}`);
-              
-              if (!response.ok) {
-                throw new Error(`HTTP ${response.status}: 无法检查房间状态`);
-              }
-              
-              const result = await response.json();
-              
-              if (!result.success) {
-                let errorMessage = result.message || '房间不存在或已过期';
-                if (result.message?.includes('expired')) {
-                  errorMessage = '房间已过期，请联系发送方重新创建';
-                } else if (result.message?.includes('not found')) {
-                  errorMessage = '房间不存在，请检查取件码是否正确';
-                }
-                showToast(errorMessage, "error");
-                return;
-              }
-              
-              if (!result.sender_online) {
-                showToast('发送方不在线，请确认取件码是否正确或联系发送方', "error");
-                return;
-              }
-              
-              console.log('房间状态检查通过，开始连接...');
-              setPickupCode(trimmedCode);
-              connect(trimmedCode, 'receiver');
-              showToast(`正在连接到房间: ${trimmedCode}`, "success");
-            } catch (error) {
-              console.error('检查房间状态失败:', error);
-              let errorMessage = '检查房间状态失败';
-              
-              if (error instanceof Error) {
-                if (error.message.includes('network') || error.message.includes('fetch')) {
-                  errorMessage = '网络连接失败，请检查网络状况';
-                } else if (error.message.includes('timeout')) {
-                  errorMessage = '请求超时，请重试';
-                } else if (error.message.includes('HTTP 404')) {
-                  errorMessage = '房间不存在，请检查取件码';
-                } else if (error.message.includes('HTTP 500')) {
-                  errorMessage = '服务器错误，请稍后重试';
-                } else {
-                  errorMessage = error.message;
-                }
-              }
-              
-              showToast(errorMessage, "error");
-            } finally {
-              setIsJoiningRoom(false);
-            }
-          };
-          
-          autoJoinRoom();
-        } else {
-          console.log('已在连接中或加入房间中，跳过重复处理');
-        }
-      }
-    }
-  }, [searchParams, hasProcessedInitialUrl, isConnecting, isConnected, isJoiningRoom, showToast, connect]); // 添加isJoiningRoom依赖
-
-  // 更新URL参数
-  const updateMode = useCallback((newMode: 'send' | 'receive') => {
-    console.log('=== 手动切换模式 ===');
-    console.log('新模式:', newMode);
-    
-    setMode(newMode);
-    const params = new URLSearchParams(searchParams.toString());
-    params.set('type', 'webrtc');
-    params.set('mode', newMode);
-    
-    // 如果切换到发送模式，移除code参数
-    if (newMode === 'send') {
-      params.delete('code');
-    }
-    
-    router.push(`?${params.toString()}`, { scroll: false });
-  }, [searchParams, router]);
+  useConnectionState({
+    isWebSocketConnected,
+    isConnected,
+    isConnecting,
+    error: error || '',
+    pickupCode,
+    fileListLength: fileList.length,
+    currentTransferFile,
+    setCurrentTransferFile,
+    updateFileListStatus: setFileList
+  });
 
   // 生成文件ID
   const generateFileId = () => {
     return Date.now().toString(36) + Math.random().toString(36).substr(2);
   };
 
-  // 文件选择处理
-  const handleFileSelect = (files: File[]) => {
-    console.log('=== 文件选择 ===');
-    console.log('新文件:', files.map(f => f.name));
-    
-    // 更新选中的文件
-    setSelectedFiles(prev => [...prev, ...files]);
-    
-    // 创建对应的文件信息
-    const newFileInfos: FileInfo[] = files.map(file => ({
-      id: generateFileId(),
-      name: file.name,
-      size: file.size,
-      type: file.type,
-      status: 'ready',
-      progress: 0
-    }));
-    
-    setFileList(prev => {
-      const updatedList = [...prev, ...newFileInfos];
-      console.log('更新后的文件列表:', updatedList);
-      
-      // 如果P2P连接已建立，立即同步文件列表
-      if (isConnected && connection.isPeerConnected && pickupCode) {
-        console.log('立即同步文件列表到对端');
-        setTimeout(() => sendFileList(updatedList), 100);
-      }
-      
-      return updatedList;
-    });
-  };
-
   // 创建房间 (发送模式)
   const generateCode = async () => {
     if (selectedFiles.length === 0) {
@@ -309,21 +129,14 @@ export const WebRTCFileTransfer: React.FC = () => {
       console.log('=== 创建房间 ===');
       console.log('选中文件数:', selectedFiles.length);
       
-      // 创建后端房间
+      // 创建后端房间 - 简化版本，不发送无用的文件信息
       const response = await fetch('/api/create-room', {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
         },
-        body: JSON.stringify({
-          type: 'file',
-          files: selectedFiles.map(file => ({
-            name: file.name,
-            size: file.size,
-            type: file.type,
-            lastModified: file.lastModified
-          }))
-        }),
+        // 不再发送文件列表，因为后端不使用这些信息
+        body: JSON.stringify({}),
       });
 
       const data = await response.json();
@@ -370,23 +183,17 @@ export const WebRTCFileTransfer: React.FC = () => {
     
     // 清空状态
     setPickupCode('');
-    setFileList([]);
-    setDownloadedFiles(new Map());
+    resetFiles();
     
-    // 如果是接收模式，更新URL移除code参数
-    if (mode === 'receive') {
-      const params = new URLSearchParams(searchParams.toString());
-      params.delete('code');
-      router.push(`?${params.toString()}`, { scroll: false });
-    }
+    // 如果是接收模式，需要手动更新URL
+    // URL处理逻辑已经移到 hook 中
   };
 
-  // 处理文件列表更新
+    // 处理文件列表更新
   useEffect(() => {
     const cleanup = onFileListReceived((fileInfos: FileInfo[]) => {
       console.log('=== 收到文件列表更新 ===');
       console.log('文件列表:', fileInfos);
-      console.log('当前模式:', mode);
       
       if (mode === 'receive') {
         setFileList(fileInfos);
@@ -396,6 +203,99 @@ export const WebRTCFileTransfer: React.FC = () => {
     return cleanup;
   }, [onFileListReceived, mode]);
 
+  // 处理文件接收
+  useEffect(() => {
+    const cleanup = onFileReceived((fileData: { id: string; file: File }) => {
+      console.log('=== 接收到文件 ===');
+      console.log('文件:', fileData.file.name, 'ID:', fileData.id);
+      
+      // 更新下载的文件
+      setDownloadedFiles(prev => new Map(prev.set(fileData.id, fileData.file)));
+      
+      // 更新文件状态
+      updateFileStatus(fileData.id, 'completed', 100);
+    });
+
+    return cleanup;
+  }, [onFileReceived, updateFileStatus]);
+
+  // 监听文件级别的进度更新
+  useEffect(() => {
+    const cleanup = onFileProgress((progressInfo) => {
+      // 检查连接状态，如果连接断开则忽略进度更新
+      if (!isConnected || error) {
+        console.log('连接已断开，忽略进度更新:', progressInfo.fileName);
+        return;
+      }
+
+      console.log('=== 文件进度更新 ===');
+      console.log('文件:', progressInfo.fileName, 'ID:', progressInfo.fileId, '进度:', progressInfo.progress);
+      
+      // 更新当前传输文件信息
+      setCurrentTransferFile({
+        fileId: progressInfo.fileId,
+        fileName: progressInfo.fileName,
+        progress: progressInfo.progress
+      });
+      
+      // 更新文件进度
+      updateFileProgress(progressInfo.fileId, progressInfo.fileName, progressInfo.progress);
+      
+      // 当传输完成时清理
+      if (progressInfo.progress >= 100 && mode === 'send') {
+        setCurrentTransferFile(null);
+      }
+    });
+
+    return cleanup;
+  }, [onFileProgress, mode, isConnected, error, updateFileProgress]);
+
+  // 处理文件请求（发送方监听）
+  useEffect(() => {
+    const cleanup = onFileRequested((fileId: string, fileName: string) => {
+      console.log('=== 收到文件请求 ===');
+      console.log('文件:', fileName, 'ID:', fileId, '当前模式:', mode);
+      
+      if (mode === 'send') {
+        // 检查连接状态
+        if (!isConnected || error) {
+          console.log('连接已断开，无法发送文件');
+          showToast('连接已断开，无法发送文件', "error");
+          return;
+        }
+
+        // 在发送方的selectedFiles中查找对应文件
+        const file = selectedFiles.find(f => f.name === fileName);
+        
+        if (!file) {
+          console.error('找不到匹配的文件:', fileName);
+          showToast(`无法找到文件: ${fileName}`, "error");
+          return;
+        }
+        
+        console.log('找到匹配文件，开始发送:', file.name, 'ID:', fileId, '文件大小:', file.size);
+        
+        // 更新发送方文件状态为downloading
+        updateFileStatus(fileId, 'downloading', 0);
+        
+        // 发送文件
+        try {
+          sendFile(file, fileId);
+        } catch (sendError) {
+          console.error('发送文件失败:', sendError);
+          showToast(`发送文件失败: ${fileName}`, "error");
+          
+          // 重置文件状态
+          updateFileStatus(fileId, 'ready', 0);
+        }
+      } else {
+        console.warn('接收模式下收到文件请求，忽略');
+      }
+    });
+
+    return cleanup;
+  }, [onFileRequested, mode, selectedFiles, sendFile, isConnected, error, showToast, updateFileStatus]);
+
   // 处理连接错误
   const [lastError, setLastError] = useState<string>('');
   useEffect(() => {
@@ -462,52 +362,6 @@ export const WebRTCFileTransfer: React.FC = () => {
     return cleanup;
   }, [onFileReceived]);
 
-  // 监听文件级别的进度更新
-  useEffect(() => {
-    const cleanup = onFileProgress((progressInfo) => {
-      // 检查连接状态，如果连接断开则忽略进度更新
-      if (!isConnected || error) {
-        console.log('连接已断开，忽略进度更新:', progressInfo.fileName);
-        return;
-      }
-
-      console.log('=== 文件进度更新 ===');
-      console.log('文件:', progressInfo.fileName, 'ID:', progressInfo.fileId, '进度:', progressInfo.progress);
-      
-      // 更新当前传输文件信息
-      setCurrentTransferFile({
-        fileId: progressInfo.fileId,
-        fileName: progressInfo.fileName,
-        progress: progressInfo.progress
-      });
-      
-      // 更新文件列表中对应文件的进度
-      setFileList(prev => prev.map(item => {
-        if (item.id === progressInfo.fileId || item.name === progressInfo.fileName) {
-          const newProgress = progressInfo.progress;
-          const newStatus = newProgress >= 100 ? 'completed' as const : 'downloading' as const;
-          
-          console.log(`更新文件 ${item.name} 进度: ${item.progress} -> ${newProgress}`);
-          return { ...item, progress: newProgress, status: newStatus };
-        }
-        return item;
-      }));
-      
-      // 当传输完成时显示提示
-      if (progressInfo.progress >= 100 && mode === 'send') {
-        // 移除不必要的Toast - 传输完成状态在UI中已经显示
-        setCurrentTransferFile(null);
-      }
-    });
-
-    return cleanup;
-  }, [onFileProgress, mode, isConnected, error]);
-
-  // 实时更新传输进度（旧逻辑 - 删除）
-  // useEffect(() => {
-  //   ...已删除的旧代码...
-  // }, [...]);
-
   // 处理文件请求（发送方监听）
   useEffect(() => {
     const cleanup = onFileRequested((fileId: string, fileName: string) => {
@@ -567,29 +421,46 @@ export const WebRTCFileTransfer: React.FC = () => {
     return cleanup;
   }, [onFileRequested, mode, selectedFiles, sendFile, isConnected, error]);
 
-  // 监听WebSocket连接状态变化
+  // 监听连接状态变化和清理传输状态
   useEffect(() => {
-    console.log('=== WebSocket状态变化 ===');
+    console.log('=== 连接状态变化 ===');
     console.log('WebSocket连接状态:', isWebSocketConnected);
     console.log('WebRTC连接状态:', isConnected);
     console.log('连接中状态:', isConnecting);
     
-    // 只有在之前已经建立过连接，现在断开的情况下才显示断开提示
-    // 避免在初始连接时误报断开
-    if (!isWebSocketConnected && !isConnected && !isConnecting && pickupCode) {
-      // 增加额外检查：只有在之前曾经连接成功过的情况下才显示断开提示
-      // 通过检查是否有文件列表来判断是否曾经连接过
-      if (fileList.length > 0 || currentTransferFile) {
-        showToast('与服务器的连接已断开，请重新连接', "error");
+    // 当连接断开或有错误时，清理所有传输状态
+    const shouldCleanup = (!isWebSocketConnected && !isConnected && !isConnecting && pickupCode) || 
+                         ((!isConnected && !isConnecting) || error);
+    
+    if (shouldCleanup) {
+      const hasCurrentTransfer = !!currentTransferFile;
+      const hasFileList = fileList.length > 0;
+      
+      // 只有在之前有连接活动时才显示断开提示和清理状态
+      if (hasFileList || hasCurrentTransfer) {
+        if (!isWebSocketConnected && pickupCode) {
+          showToast('与服务器的连接已断开，请重新连接', "error");
+        }
         
-        // 清理传输状态
-        console.log('WebSocket断开，清理传输状态');
-        setCurrentTransferFile(null);
-        setFileList(prev => prev.map(item => 
-          item.status === 'downloading' 
-            ? { ...item, status: 'ready' as const, progress: 0 }
-            : item
-        ));
+        console.log('连接断开，清理传输状态');
+        
+        if (currentTransferFile) {
+          setCurrentTransferFile(null);
+        }
+        
+        // 重置所有正在下载的文件状态
+        setFileList(prev => {
+          const hasDownloadingFiles = prev.some(item => item.status === 'downloading');
+          if (hasDownloadingFiles) {
+            console.log('重置正在传输的文件状态');
+            return prev.map(item => 
+              item.status === 'downloading' 
+                ? { ...item, status: 'ready' as const, progress: 0 }
+                : item
+            );
+          }
+          return prev;
+        });
       }
     }
     
@@ -598,34 +469,9 @@ export const WebRTCFileTransfer: React.FC = () => {
       console.log('WebSocket已连接，正在建立P2P连接...');
     }
     
-  }, [isWebSocketConnected, isConnected, isConnecting, pickupCode, showToast, fileList.length, currentTransferFile]);
+  }, [isWebSocketConnected, isConnected, isConnecting, pickupCode, error, showToast, currentTransferFile, fileList.length]);
 
-  // 监听连接状态变化，清理传输状态
-  useEffect(() => {
-    // 当连接断开或有错误时，清理所有传输状态
-    if ((!isConnected && !isConnecting) || error) {
-      if (currentTransferFile) {
-        console.log('连接断开，清理当前传输文件状态:', currentTransferFile.fileName);
-        setCurrentTransferFile(null);
-      }
-      
-      // 重置所有正在下载的文件状态
-      setFileList(prev => {
-        const hasDownloadingFiles = prev.some(item => item.status === 'downloading');
-        if (hasDownloadingFiles) {
-          console.log('重置正在传输的文件状态');
-          return prev.map(item => 
-            item.status === 'downloading' 
-              ? { ...item, status: 'ready' as const, progress: 0 }
-              : item
-          );
-        }
-        return prev;
-      });
-    }
-  }, [isConnected, isConnecting, error, currentTransferFile]);
-
-  // 监听连接状态变化并提供用户反馈
+  // 监听连接状态变化并提供日志
   useEffect(() => {
     console.log('=== WebRTC连接状态变化 ===');
     console.log('连接状态:', {
@@ -637,65 +483,66 @@ export const WebRTCFileTransfer: React.FC = () => {
       selectedFilesCount: selectedFiles.length,
       fileListCount: fileList.length
     });
-    
-    // 连接成功时的提示
-    if (isConnected && !isConnecting) {
-      if (mode === 'send') {
-        // 移除不必要的Toast - 连接状态在UI中已经显示
-      } else {
-        // 移除不必要的Toast - 连接状态在UI中已经显示
-      }
-    }
-    
-    // 连接中的状态
-    if (isConnecting && pickupCode) {
-      console.log('正在建立WebRTC连接...');
-    }
-    
-    // 只有在P2P连接建立且没有错误时才发送文件列表
-    if (isConnected && connection.isPeerConnected && !error && pickupCode && mode === 'send' && selectedFiles.length > 0) {
-      // 确保有文件列表
-      if (fileList.length === 0) {
-        console.log('创建文件列表并发送...');
-        const newFileInfos: FileInfo[] = selectedFiles.map(file => ({
-          id: generateFileId(),
-          name: file.name,
-          size: file.size,
-          type: file.type,
-          status: 'ready',
-          progress: 0
-        }));
-        setFileList(newFileInfos);
-        // 延迟发送，确保数据通道已准备好
-        setTimeout(() => {
-          if (isConnected && connection.isPeerConnected && !error) { // 再次检查连接状态
-            sendFileList(newFileInfos);
-          }
-        }, 500);
-      } else if (fileList.length > 0) {
-        console.log('发送现有文件列表...');
-        // 延迟发送，确保数据通道已准备好
-        setTimeout(() => {
-          if (isConnected && connection.isPeerConnected && !error) { // 再次检查连接状态
-            sendFileList(fileList);
-          }
-        }, 500);
-      }
-    }
-  }, [isConnected, connection.isPeerConnected, isConnecting, isWebSocketConnected, pickupCode, mode, selectedFiles.length, error]);
+  }, [isConnected, connection.isPeerConnected, isConnecting, isWebSocketConnected, pickupCode, mode, selectedFiles.length, fileList.length]);
 
-  // 监听P2P连接建立，自动发送文件列表
+  // 监听P2P连接建立时的状态变化
   useEffect(() => {
     if (connection.isPeerConnected && mode === 'send' && fileList.length > 0) {
-      console.log('P2P连接已建立，发送文件列表...');
-      // 稍微延迟一下，确保数据通道完全准备好
-      setTimeout(() => {
-        if (connection.isPeerConnected && connection.getChannelState() === 'open') {
-          sendFileList(fileList);
-        }
-      }, 200);
+      console.log('P2P连接已建立，数据通道首次打开，初始化文件列表');
+      // 数据通道第一次打开时进行初始化
+      syncFileListToReceiver(fileList, '数据通道初始化');
     }
-  }, [connection.isPeerConnected, mode, fileList.length, sendFileList]);
+  }, [connection.isPeerConnected, mode, syncFileListToReceiver]);
+
+  // 监听fileList大小变化并同步
+  useEffect(() => {
+    if (connection.isPeerConnected && mode === 'send' && pickupCode) {
+      console.log('fileList大小变化，同步到接收方:', fileList.length);
+      syncFileListToReceiver(fileList, 'fileList大小变化');
+    }
+  }, [fileList.length, connection.isPeerConnected, mode, pickupCode, syncFileListToReceiver]);
+
+  // 监听selectedFiles变化，同步更新fileList并发送给接收方
+  useEffect(() => {
+    // 只有在发送模式下且已有房间时才处理文件列表同步
+    if (mode !== 'send' || !pickupCode) return;
+
+    console.log('=== selectedFiles变化，同步文件列表 ===', {
+      selectedFilesCount: selectedFiles.length,
+      fileListCount: fileList.length,
+      selectedFileNames: selectedFiles.map(f => f.name)
+    });
+
+    // 根据selectedFiles创建新的文件信息列表
+    const newFileInfos: FileInfo[] = selectedFiles.map(file => {
+      // 尝试找到现有的文件信息，保持已有的状态
+      const existingFileInfo = fileList.find(info => info.name === file.name && info.size === file.size);
+      return existingFileInfo || {
+        id: generateFileId(),
+        name: file.name,
+        size: file.size,
+        type: file.type,
+        status: 'ready' as const,
+        progress: 0
+      };
+    });
+
+    // 检查文件列表是否真正发生变化
+    const fileListChanged = 
+      newFileInfos.length !== fileList.length ||
+      newFileInfos.some(newFile => 
+        !fileList.find(oldFile => oldFile.name === newFile.name && oldFile.size === newFile.size)
+      );
+
+    if (fileListChanged) {
+      console.log('文件列表发生变化，更新:', {
+        before: fileList.map(f => f.name),
+        after: newFileInfos.map(f => f.name)
+      });
+      
+      setFileList(newFileInfos);
+    }
+  }, [selectedFiles, mode, pickupCode]);
 
   // 请求下载文件（接收方调用）
   const requestFile = (fileId: string) => {
@@ -779,17 +626,6 @@ export const WebRTCFileTransfer: React.FC = () => {
     fileInputRef.current?.click();
   };
 
-  // 清空文件
-  const clearFiles = () => {
-    console.log('=== 清空文件 ===');
-    setSelectedFiles([]);
-    setFileList([]);
-    // 只有在P2P连接建立且数据通道准备好时才发送清空消息
-    if (isConnected && connection.isPeerConnected && connection.getChannelState() === 'open' && pickupCode) {
-      sendFileList([]);
-    }
-  };
-
   // 下载文件到本地
   const downloadFile = (fileId: string) => {
     const file = downloadedFiles.get(fileId);
@@ -879,6 +715,7 @@ export const WebRTCFileTransfer: React.FC = () => {
             downloadedFiles={downloadedFiles}
             error={error}
             onReset={resetConnection}
+            pickupCode={pickupCode}
           />
         </div>
       )}

chuan-next/src/components/WebRTCTextImageTransfer.tsx

@@ -1,68 +1,34 @@
 "use client";
 
-import React, { useState, useEffect, useCallback } from 'react';
-import { useSearchParams, useRouter } from 'next/navigation';
-import { Button } from '@/components/ui/button';
-import { Send, Download, X } from 'lucide-react';
+import React, { useState, useCallback } from 'react';
+import { useURLHandler } from '@/hooks/ui';
+import { useWebRTCStore } from '@/hooks/ui/webRTCStore';
 import { WebRTCTextSender } from '@/components/webrtc/WebRTCTextSender';
 import { WebRTCTextReceiver } from '@/components/webrtc/WebRTCTextReceiver';
-import { useWebRTCStore } from '@/hooks/webrtc/webRTCStore';
+import { Button } from '@/components/ui/button';
+import { MessageSquare, Send, Download, X } from 'lucide-react';
 
 export const WebRTCTextImageTransfer: React.FC = () => {
-  const searchParams = useSearchParams();
-  const router = useRouter();
-  
   // 状态管理
   const [mode, setMode] = useState<'send' | 'receive'>('send');
-  const [hasProcessedInitialUrl, setHasProcessedInitialUrl] = useState(false);
   const [previewImage, setPreviewImage] = useState<string | null>(null);
   
   // 使用全局WebRTC状态
   const webrtcState = useWebRTCStore();
 
-  // 从URL参数中获取初始模式
-  useEffect(() => {
-    const urlMode = searchParams.get('mode') as 'send' | 'receive';
-    const type = searchParams.get('type');
-    const code = searchParams.get('code');
-    
-    if (!hasProcessedInitialUrl && type === 'message' && urlMode && ['send', 'receive'].includes(urlMode)) {
-      console.log('=== 处理初始URL参数 ===');
-      console.log('URL模式:', urlMode, '类型:', type, '取件码:', code);
-      
-      setMode(urlMode);
-      setHasProcessedInitialUrl(true);
-    }
-  }, [searchParams, hasProcessedInitialUrl]);
-
-  // 更新URL参数
-  const updateMode = useCallback((newMode: 'send' | 'receive') => {
-    console.log('=== 切换模式 ===', newMode);
-    
-    setMode(newMode);
-    const params = new URLSearchParams(searchParams.toString());
-    params.set('type', 'message');
-    params.set('mode', newMode);
-    
-    if (newMode === 'send') {
-      params.delete('code');
-    }
-    
-    router.push(`?${params.toString()}`, { scroll: false });
-  }, [searchParams, router]);
+  // 使用统一的URL处理器
+  const { updateMode, getCurrentRoomCode, clearURLParams } = useURLHandler({
+    featureType: 'message',
+    onModeChange: setMode
+  });
 
   // 重新开始函数
   const handleRestart = useCallback(() => {
     setPreviewImage(null);
-    
-    const params = new URLSearchParams(searchParams.toString());
-    params.set('type', 'message');
-    params.set('mode', mode);
-    params.delete('code');
-    router.push(`?${params.toString()}`, { scroll: false });
-  }, [searchParams, mode, router]);
+    clearURLParams();
+  }, [clearURLParams]);
 
-  const code = searchParams.get('code') || '';
+  const code = getCurrentRoomCode();
 
   // 连接状态变化处理 - 现在不需要了，因为使用全局状态
   const handleConnectionChange = useCallback((connection: any) => {

chuan-next/src/components/WebRTCUnsupportedModal.tsx

@@ -0,0 +1,186 @@
+import React from 'react';
+import { AlertTriangle, Download, X, Chrome, Monitor } from 'lucide-react';
+import { WebRTCSupport, getBrowserInfo, getRecommendedBrowsers } from '@/lib/webrtc-support';
+
+interface Props {
+  isOpen: boolean;
+  onClose: () => void;
+  webrtcSupport: WebRTCSupport;
+}
+
+/**
+ * WebRTC 不支持提示模态框
+ */
+export function WebRTCUnsupportedModal({ isOpen, onClose, webrtcSupport }: Props) {
+  const browserInfo = getBrowserInfo();
+  const recommendedBrowsers = getRecommendedBrowsers();
+
+  if (!isOpen) return null;
+
+  const handleBrowserDownload = (url: string) => {
+    window.open(url, '_blank', 'noopener,noreferrer');
+  };
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black bg-opacity-50">
+      <div className="bg-white rounded-lg shadow-xl max-w-2xl w-full mx-4 max-h-[90vh] overflow-y-auto">
+        {/* 头部 */}
+        <div className="flex items-center justify-between p-6 border-b border-gray-200">
+          <div className="flex items-center gap-3">
+            <AlertTriangle className="h-6 w-6 text-red-500" />
+            <h2 className="text-xl font-semibold text-gray-900">
+              浏览器不支持 WebRTC
+            </h2>
+          </div>
+          <button
+            onClick={onClose}
+            className="text-gray-400 hover:text-gray-600 transition-colors"
+          >
+            <X className="h-5 w-5" />
+          </button>
+        </div>
+
+        {/* 内容 */}
+        <div className="p-6 space-y-6">
+          {/* 当前浏览器信息 */}
+          <div className="bg-red-50 border border-red-200 rounded-lg p-4">
+            <h3 className="font-medium text-red-800 mb-2">当前浏览器状态</h3>
+            <div className="space-y-2 text-sm text-red-700">
+              <div>
+                <strong>浏览器:</strong> {browserInfo.name} {browserInfo.version}
+              </div>
+              <div>
+                <strong>WebRTC 支持:</strong> 
+                <span className="ml-1 px-2 py-1 bg-red-100 text-red-800 rounded text-xs">
+                  不支持
+                </span>
+              </div>
+            </div>
+          </div>
+
+          {/* 缺失的功能 */}
+          <div className="space-y-3">
+            <h3 className="font-medium text-gray-900">缺失的功能：</h3>
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
+              {webrtcSupport.missing.map((feature, index) => (
+                <div key={index} className="flex items-center gap-2 text-sm text-gray-600">
+                  <div className="w-2 h-2 bg-red-400 rounded-full"></div>
+                  {feature}
+                </div>
+              ))}
+            </div>
+          </div>
+
+          {/* 功能说明 */}
+          <div className="bg-blue-50 border border-blue-200 rounded-lg p-4">
+            <h3 className="font-medium text-blue-800 mb-2">为什么需要 WebRTC？</h3>
+            <div className="space-y-2 text-sm text-blue-700">
+              <div className="flex items-start gap-2">
+                <Monitor className="h-4 w-4 mt-0.5 flex-shrink-0" />
+                <div>
+                  <strong>屏幕共享:</strong> 实时共享您的桌面屏幕
+                </div>
+              </div>
+              <div className="flex items-start gap-2">
+                <Download className="h-4 w-4 mt-0.5 flex-shrink-0" />
+                <div>
+                  <strong>文件传输:</strong> 点对点直接传输文件，快速且安全
+                </div>
+              </div>
+              <div className="flex items-start gap-2">
+                <Chrome className="h-4 w-4 mt-0.5 flex-shrink-0" />
+                <div>
+                  <strong>文本传输:</strong> 实时文本和图像传输
+                </div>
+              </div>
+            </div>
+          </div>
+
+          {/* 浏览器推荐 */}
+          <div className="space-y-3">
+            <h3 className="font-medium text-gray-900">推荐使用以下浏览器：</h3>
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
+              {recommendedBrowsers.map((browser, index) => (
+                <div
+                  key={index}
+                  className="border border-gray-200 rounded-lg p-4 hover:border-blue-300 transition-colors cursor-pointer"
+                  onClick={() => handleBrowserDownload(browser.downloadUrl)}
+                >
+                  <div className="flex items-center justify-between">
+                    <div>
+                      <h4 className="font-medium text-gray-900">{browser.name}</h4>
+                      <p className="text-sm text-gray-600">版本 {browser.minVersion}</p>
+                    </div>
+                    <Download className="h-5 w-5 text-blue-500" />
+                  </div>
+                </div>
+              ))}
+            </div>
+          </div>
+
+          {/* 浏览器特定建议 */}
+          {browserInfo.recommendations && (
+            <div className="bg-yellow-50 border border-yellow-200 rounded-lg p-4">
+              <h3 className="font-medium text-yellow-800 mb-2">建议</h3>
+              <ul className="space-y-1 text-sm text-yellow-700">
+                {browserInfo.recommendations.map((recommendation, index) => (
+                  <li key={index} className="flex items-start gap-2">
+                    <div className="w-1.5 h-1.5 bg-yellow-400 rounded-full mt-2 flex-shrink-0"></div>
+                    {recommendation}
+                  </li>
+                ))}
+              </ul>
+            </div>
+          )}
+
+          {/* 技术详情（可折叠） */}
+          <details className="border border-gray-200 rounded-lg">
+            <summary className="p-3 cursor-pointer font-medium text-gray-900 hover:bg-gray-50">
+              技术详情
+            </summary>
+            <div className="p-3 border-t border-gray-200 space-y-2 text-sm">
+              <div className="grid grid-cols-2 gap-4">
+                <div>
+                  <strong>RTCPeerConnection:</strong>
+                  <span className={`ml-2 px-2 py-1 rounded text-xs ${
+                    webrtcSupport.details.rtcPeerConnection 
+                      ? 'bg-green-100 text-green-800' 
+                      : 'bg-red-100 text-red-800'
+                  }`}>
+                    {webrtcSupport.details.rtcPeerConnection ? '支持' : '不支持'}
+                  </span>
+                </div>
+                <div>
+                  <strong>DataChannel:</strong>
+                  <span className={`ml-2 px-2 py-1 rounded text-xs ${
+                    webrtcSupport.details.dataChannel 
+                      ? 'bg-green-100 text-green-800' 
+                      : 'bg-red-100 text-red-800'
+                  }`}>
+                    {webrtcSupport.details.dataChannel ? '支持' : '不支持'}
+                  </span>
+                </div>
+              </div>
+            </div>
+          </details>
+        </div>
+
+        {/* 底部按钮 */}
+        <div className="flex justify-end gap-3 p-6 border-t border-gray-200">
+          <button
+            onClick={onClose}
+            className="px-4 py-2 text-sm font-medium text-gray-700 bg-gray-100 hover:bg-gray-200 rounded-md transition-colors"
+          >
+            我知道了
+          </button>
+          <button
+            onClick={() => handleBrowserDownload('https://www.google.com/chrome/')}
+            className="px-4 py-2 text-sm font-medium text-white bg-blue-600 hover:bg-blue-700 rounded-md transition-colors"
+          >
+            下载 Chrome 浏览器
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

chuan-next/src/components/ui/card.tsx

@@ -1,79 +0,0 @@
-import * as React from "react"
-
-import { cn } from "@/lib/utils"
-
-const Card = React.forwardRef<
-  HTMLDivElement,
-  React.HTMLAttributes<HTMLDivElement>
->(({ className, ...props }, ref) => (
-  <div
-    ref={ref}
-    className={cn(
-      "rounded-lg border bg-card text-card-foreground shadow-sm",
-      className
-    )}
-    {...props}
-  />
-))
-Card.displayName = "Card"
-
-const CardHeader = React.forwardRef<
-  HTMLDivElement,
-  React.HTMLAttributes<HTMLDivElement>
->(({ className, ...props }, ref) => (
-  <div
-    ref={ref}
-    className={cn("flex flex-col space-y-1.5 p-6", className)}
-    {...props}
-  />
-))
-CardHeader.displayName = "CardHeader"
-
-const CardTitle = React.forwardRef<
-  HTMLParagraphElement,
-  React.HTMLAttributes<HTMLHeadingElement>
->(({ className, ...props }, ref) => (
-  <h3
-    ref={ref}
-    className={cn(
-      "text-2xl font-semibold leading-none tracking-tight",
-      className
-    )}
-    {...props}
-  />
-))
-CardTitle.displayName = "CardTitle"
-
-const CardDescription = React.forwardRef<
-  HTMLParagraphElement,
-  React.HTMLAttributes<HTMLParagraphElement>
->(({ className, ...props }, ref) => (
-  <p
-    ref={ref}
-    className={cn("text-sm text-muted-foreground", className)}
-    {...props}
-  />
-))
-CardDescription.displayName = "CardDescription"
-
-const CardContent = React.forwardRef<
-  HTMLDivElement,
-  React.HTMLAttributes<HTMLDivElement>
->(({ className, ...props }, ref) => (
-  <div ref={ref} className={cn("p-6 pt-0", className)} {...props} />
-))
-CardContent.displayName = "CardContent"
-
-const CardFooter = React.forwardRef<
-  HTMLDivElement,
-  React.HTMLAttributes<HTMLDivElement>
->(({ className, ...props }, ref) => (
-  <div
-    ref={ref}
-    className={cn("flex items-center p-6 pt-0", className)}
-    {...props}
-  />
-))
-CardFooter.displayName = "CardFooter"
-
-export { Card, CardHeader, CardFooter, CardTitle, CardDescription, CardContent }

chuan-next/src/components/ui/confirm-dialog.tsx

@@ -0,0 +1,106 @@
+"use client";
+
+import React from 'react';
+import { Button } from '@/components/ui/button';
+import { AlertTriangle, Wifi, WifiOff } from 'lucide-react';
+
+interface ConfirmDialogProps {
+  isOpen: boolean;
+  onClose: () => void;
+  onConfirm: () => void;
+  title: string;
+  message: string;
+  confirmText?: string;
+  cancelText?: string;
+  type?: 'warning' | 'danger' | 'info';
+}
+
+export function ConfirmDialog({
+  isOpen,
+  onClose,
+  onConfirm,
+  title,
+  message,
+  confirmText = '确认',
+  cancelText = '取消',
+  type = 'warning'
+}: ConfirmDialogProps) {
+  const handleConfirm = () => {
+    onConfirm();
+    onClose();
+  };
+
+  const handleCancel = () => {
+    onClose();
+  };
+
+  const getIcon = () => {
+    switch (type) {
+      case 'danger':
+        return <WifiOff className="w-6 h-6 text-red-500" />;
+      case 'warning':
+        return <AlertTriangle className="w-6 h-6 text-yellow-500" />;
+      case 'info':
+        return <Wifi className="w-6 h-6 text-blue-500" />;
+      default:
+        return <AlertTriangle className="w-6 h-6 text-yellow-500" />;
+    }
+  };
+
+  const getButtonStyles = () => {
+    switch (type) {
+      case 'danger':
+        return 'bg-gradient-to-r from-red-500 to-red-600 hover:from-red-600 hover:to-red-700';
+      case 'warning':
+        return 'bg-gradient-to-r from-yellow-500 to-orange-500 hover:from-yellow-600 hover:to-orange-600';
+      case 'info':
+        return 'bg-gradient-to-r from-blue-500 to-indigo-500 hover:from-blue-600 hover:to-indigo-600';
+      default:
+        return 'bg-gradient-to-r from-yellow-500 to-orange-500 hover:from-yellow-600 hover:to-orange-600';
+    }
+  };
+
+  if (!isOpen) return null;
+
+  return (
+    <div className="fixed inset-0 bg-black/50 backdrop-blur-sm z-50 flex items-center justify-center p-4">
+      <div className="bg-white/95 backdrop-blur-md rounded-2xl shadow-2xl border border-white/20 max-w-md w-full mx-4 animate-in zoom-in-95 duration-200">
+        {/* Header */}
+        <div className="flex items-center space-x-4 p-6 pb-4">
+          <div className="flex-shrink-0">
+            {getIcon()}
+          </div>
+          <div>
+            <h3 className="text-lg font-semibold text-slate-800">
+              {title}
+            </h3>
+          </div>
+        </div>
+
+        {/* Content */}
+        <div className="px-6 pb-6">
+          <p className="text-slate-600 leading-relaxed">
+            {message}
+          </p>
+        </div>
+
+        {/* Actions */}
+        <div className="flex items-center justify-end space-x-3 px-6 pb-6">
+          <Button
+            variant="outline"
+            onClick={handleCancel}
+            className="px-6 py-2 border-slate-200 text-slate-600 hover:text-slate-800 hover:border-slate-300 rounded-lg"
+          >
+            {cancelText}
+          </Button>
+          <Button
+            onClick={handleConfirm}
+            className={`px-6 py-2 text-white font-medium rounded-lg shadow-lg transition-all duration-200 hover:shadow-xl ${getButtonStyles()}`}
+          >
+            {confirmText}
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+}

chuan-next/src/components/ui/dialog.tsx

@@ -1,122 +0,0 @@
-"use client"
-
-import * as React from "react"
-import * as DialogPrimitive from "@radix-ui/react-dialog"
-import { X } from "lucide-react"
-
-import { cn } from "@/lib/utils"
-
-const Dialog = DialogPrimitive.Root
-
-const DialogTrigger = DialogPrimitive.Trigger
-
-const DialogPortal = DialogPrimitive.Portal
-
-const DialogClose = DialogPrimitive.Close
-
-const DialogOverlay = React.forwardRef<
-  React.ElementRef<typeof DialogPrimitive.Overlay>,
-  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Overlay>
->(({ className, ...props }, ref) => (
-  <DialogPrimitive.Overlay
-    ref={ref}
-    className={cn(
-      "fixed inset-0 z-50 bg-black/80  data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
-      className
-    )}
-    {...props}
-  />
-))
-DialogOverlay.displayName = DialogPrimitive.Overlay.displayName
-
-const DialogContent = React.forwardRef<
-  React.ElementRef<typeof DialogPrimitive.Content>,
-  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Content>
->(({ className, children, ...props }, ref) => (
-  <DialogPortal>
-    <DialogOverlay />
-    <DialogPrimitive.Content
-      ref={ref}
-      className={cn(
-        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
-        className
-      )}
-      {...props}
-    >
-      {children}
-      <DialogPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-accent data-[state=open]:text-muted-foreground">
-        <X className="h-4 w-4" />
-        <span className="sr-only">Close</span>
-      </DialogPrimitive.Close>
-    </DialogPrimitive.Content>
-  </DialogPortal>
-))
-DialogContent.displayName = DialogPrimitive.Content.displayName
-
-const DialogHeader = ({
-  className,
-  ...props
-}: React.HTMLAttributes<HTMLDivElement>) => (
-  <div
-    className={cn(
-      "flex flex-col space-y-1.5 text-center sm:text-left",
-      className
-    )}
-    {...props}
-  />
-)
-DialogHeader.displayName = "DialogHeader"
-
-const DialogFooter = ({
-  className,
-  ...props
-}: React.HTMLAttributes<HTMLDivElement>) => (
-  <div
-    className={cn(
-      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
-      className
-    )}
-    {...props}
-  />
-)
-DialogFooter.displayName = "DialogFooter"
-
-const DialogTitle = React.forwardRef<
-  React.ElementRef<typeof DialogPrimitive.Title>,
-  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Title>
->(({ className, ...props }, ref) => (
-  <DialogPrimitive.Title
-    ref={ref}
-    className={cn(
-      "text-lg font-semibold leading-none tracking-tight",
-      className
-    )}
-    {...props}
-  />
-))
-DialogTitle.displayName = DialogPrimitive.Title.displayName
-
-const DialogDescription = React.forwardRef<
-  React.ElementRef<typeof DialogPrimitive.Description>,
-  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Description>
->(({ className, ...props }, ref) => (
-  <DialogPrimitive.Description
-    ref={ref}
-    className={cn("text-sm text-muted-foreground", className)}
-    {...props}
-  />
-))
-DialogDescription.displayName = DialogPrimitive.Description.displayName
-
-export {
-  Dialog,
-  DialogPortal,
-  DialogOverlay,
-  DialogClose,
-  DialogTrigger,
-  DialogContent,
-  DialogHeader,
-  DialogFooter,
-  DialogTitle,
-  DialogDescription,
-}

chuan-next/src/components/ui/progress.tsx

@@ -1,28 +0,0 @@
-"use client"
-
-import * as React from "react"
-import * as ProgressPrimitive from "@radix-ui/react-progress"
-
-import { cn } from "@/lib/utils"
-
-const Progress = React.forwardRef<
-  React.ElementRef<typeof ProgressPrimitive.Root>,
-  React.ComponentPropsWithoutRef<typeof ProgressPrimitive.Root>
->(({ className, value, ...props }, ref) => (
-  <ProgressPrimitive.Root
-    ref={ref}
-    className={cn(
-      "relative h-4 w-full overflow-hidden rounded-full bg-secondary",
-      className
-    )}
-    {...props}
-  >
-    <ProgressPrimitive.Indicator
-      className="h-full w-full flex-1 bg-primary transition-all"
-      style={{ transform: `translateX(-${100 - (value || 0)}%)` }}
-    />
-  </ProgressPrimitive.Root>
-))
-Progress.displayName = ProgressPrimitive.Root.displayName
-
-export { Progress }

chuan-next/src/components/ui/textarea.tsx

@@ -1,24 +0,0 @@
-import * as React from "react"
-
-import { cn } from "@/lib/utils"
-
-export interface TextareaProps
-  extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
-
-const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
-  ({ className, ...props }, ref) => {
-    return (
-      <textarea
-        className={cn(
-          "flex min-h-[80px] w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
-          className
-        )}
-        ref={ref}
-        {...props}
-      />
-    )
-  }
-)
-Textarea.displayName = "Textarea"
-
-export { Textarea }

chuan-next/src/components/webrtc/WebRTCDesktopReceiver.tsx

@@ -5,7 +5,7 @@ import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import { Monitor, Square } from 'lucide-react';
 import { useToast } from '@/components/ui/toast-simple';
-import { useDesktopShareBusiness } from '@/hooks/webrtc/useDesktopShareBusiness';
+import { useDesktopShareBusiness } from '@/hooks/desktop-share';
 import DesktopViewer from '@/components/DesktopViewer';
 import { ConnectionStatus } from '@/components/ConnectionStatus';
 
@@ -18,7 +18,7 @@ interface WebRTCDesktopReceiverProps {
 export default function WebRTCDesktopReceiver({ className, initialCode, onConnectionChange }: WebRTCDesktopReceiverProps) {
   const [inputCode, setInputCode] = useState(initialCode || '');
   const [isLoading, setIsLoading] = useState(false);
-  const [showDebug, setShowDebug] = useState(false);
+  const [isJoiningRoom, setIsJoiningRoom] = useState(false); // 添加加入房间状态
   const hasTriedAutoJoin = React.useRef(false); // 添加 ref 来跟踪是否已尝试自动加入
   const { showToast } = useToast();
 
@@ -34,27 +34,82 @@ export default function WebRTCDesktopReceiver({ className, initialCode, onConnec
 
   // 加入观看
   const handleJoinViewing = useCallback(async () => {
-    if (!inputCode.trim()) {
-      showToast('请输入房间代码', 'error');
+    const trimmedCode = inputCode.trim();
+    
+    // 检查房间代码格式
+    if (!trimmedCode || trimmedCode.length !== 6) {
+      showToast('请输入正确的6位房间代码', "error");
       return;
     }
 
+    // 防止重复调用 - 检查是否已经在连接或已连接
+    if (desktopShare.isConnecting || desktopShare.isViewing || isJoiningRoom) {
+      console.log('已在连接中或已连接，跳过重复的房间状态检查');
+      return;
+    }
+    
+    setIsJoiningRoom(true);
+
     try {
-      setIsLoading(true);
-      console.log('[DesktopShareReceiver] 用户加入观看房间:', inputCode);
+      console.log('[DesktopShareReceiver] 开始验证房间状态...');
       
-      await desktopShare.joinSharing(inputCode.trim().toUpperCase());
+      // 先检查房间状态
+      const response = await fetch(`/api/room-info?code=${trimmedCode}`);
+      
+      if (!response.ok) {
+        throw new Error(`HTTP ${response.status}: 无法检查房间状态`);
+      }
+      
+      const result = await response.json();
+      
+      if (!result.success) {
+        let errorMessage = result.message || '房间不存在或已过期';
+        if (result.message?.includes('expired')) {
+          errorMessage = '房间已过期，请联系发送方重新创建';
+        } else if (result.message?.includes('not found')) {
+          errorMessage = '房间不存在，请检查房间代码是否正确';
+        }
+        showToast(errorMessage, "error");
+        return;
+      }
+      
+      // 检查发送方是否在线
+      if (!result.sender_online) {
+        showToast('发送方不在线，请确认房间代码是否正确或联系发送方', "error");
+        return;
+      }
+      
+      console.log('[DesktopShareReceiver] 房间状态检查通过，开始连接...');
+      setIsLoading(true);
+      
+      await desktopShare.joinSharing(trimmedCode.toUpperCase());
       console.log('[DesktopShareReceiver] 加入观看成功');
       
       showToast('已加入桌面共享', 'success');
     } catch (error) {
       console.error('[DesktopShareReceiver] 加入观看失败:', error);
-      const errorMessage = error instanceof Error ? error.message : '加入观看失败';
+      
+      let errorMessage = '加入观看失败';
+      if (error instanceof Error) {
+        if (error.message.includes('network') || error.message.includes('fetch')) {
+          errorMessage = '网络连接失败，请检查网络状况';
+        } else if (error.message.includes('timeout')) {
+          errorMessage = '请求超时，请重试';
+        } else if (error.message.includes('HTTP 404')) {
+          errorMessage = '房间不存在，请检查房间代码';
+        } else if (error.message.includes('HTTP 500')) {
+          errorMessage = '服务器错误，请稍后重试';
+        } else {
+          errorMessage = error.message;
+        }
+      }
+      
       showToast(errorMessage, 'error');
     } finally {
       setIsLoading(false);
+      setIsJoiningRoom(false); // 重置加入房间状态
     }
-  }, [desktopShare, inputCode, showToast]);
+  }, [desktopShare, inputCode, isJoiningRoom, showToast]);
 
   // 停止观看
   const handleStopViewing = useCallback(async () => {
@@ -77,38 +132,94 @@ export default function WebRTCDesktopReceiver({ className, initialCode, onConnec
       initialCode,
       isViewing: desktopShare.isViewing,
       isConnecting: desktopShare.isConnecting,
+      isJoiningRoom,
       hasTriedAutoJoin: hasTriedAutoJoin.current
     });
     
     const autoJoin = async () => {
-      if (initialCode && !desktopShare.isViewing && !desktopShare.isConnecting && !hasTriedAutoJoin.current) {
+      if (initialCode && !desktopShare.isViewing && !desktopShare.isConnecting && !isJoiningRoom && !hasTriedAutoJoin.current) {
         hasTriedAutoJoin.current = true;
-        console.log('[WebRTCDesktopReceiver] 检测到初始代码，自动加入观看:', initialCode);
+        const trimmedCode = initialCode.trim();
+        
+        // 检查房间代码格式
+        if (!trimmedCode || trimmedCode.length !== 6) {
+          showToast('房间代码格式不正确', "error");
+          return;
+        }
+        
+        setIsJoiningRoom(true);
+        console.log('[WebRTCDesktopReceiver] 检测到初始代码，开始验证并自动加入:', trimmedCode);
         
         try {
+          // 先检查房间状态
+          console.log('[WebRTCDesktopReceiver] 验证房间状态...');
+          const response = await fetch(`/api/room-info?code=${trimmedCode}`);
+          
+          if (!response.ok) {
+            throw new Error(`HTTP ${response.status}: 无法检查房间状态`);
+          }
+          
+          const result = await response.json();
+          
+          if (!result.success) {
+            let errorMessage = result.message || '房间不存在或已过期';
+            if (result.message?.includes('expired')) {
+              errorMessage = '房间已过期，请联系发送方重新创建';
+            } else if (result.message?.includes('not found')) {
+              errorMessage = '房间不存在，请检查房间代码是否正确';
+            }
+            showToast(errorMessage, "error");
+            return;
+          }
+          
+          // 检查发送方是否在线
+          if (!result.sender_online) {
+            showToast('发送方不在线，请确认房间代码是否正确或联系发送方', "error");
+            return;
+          }
+          
+          console.log('[WebRTCDesktopReceiver] 房间验证通过，开始自动连接...');
           setIsLoading(true);
-          await desktopShare.joinSharing(initialCode.trim().toUpperCase());
+          
+          await desktopShare.joinSharing(trimmedCode.toUpperCase());
           console.log('[WebRTCDesktopReceiver] 自动加入观看成功');
           showToast('已加入桌面共享', 'success');
         } catch (error) {
           console.error('[WebRTCDesktopReceiver] 自动加入观看失败:', error);
-          const errorMessage = error instanceof Error ? error.message : '加入观看失败';
+          
+          let errorMessage = '自动加入观看失败';
+          if (error instanceof Error) {
+            if (error.message.includes('network') || error.message.includes('fetch')) {
+              errorMessage = '网络连接失败，请检查网络状况';
+            } else if (error.message.includes('timeout')) {
+              errorMessage = '请求超时，请重试';
+            } else if (error.message.includes('HTTP 404')) {
+              errorMessage = '房间不存在，请检查房间代码';
+            } else if (error.message.includes('HTTP 500')) {
+              errorMessage = '服务器错误，请稍后重试';
+            } else {
+              errorMessage = error.message;
+            }
+          }
+          
           showToast(errorMessage, 'error');
         } finally {
           setIsLoading(false);
+          setIsJoiningRoom(false);
         }
       } else {
         console.log('[WebRTCDesktopReceiver] 不满足自动加入条件:', {
           hasInitialCode: !!initialCode,
           notViewing: !desktopShare.isViewing,
           notConnecting: !desktopShare.isConnecting,
+          notJoiningRoom: !isJoiningRoom,
           notTriedBefore: !hasTriedAutoJoin.current
         });
       }
     };
     
     autoJoin();
-  }, [initialCode, desktopShare.isViewing, desktopShare.isConnecting]); // 移除了 desktopShare.joinSharing 和 showToast
+  }, [initialCode, desktopShare.isViewing, desktopShare.isConnecting, isJoiningRoom]); // 添加isJoiningRoom依赖
 
   return (
     <div className={`space-y-4 sm:space-y-6 ${className || ''}`}>
@@ -138,11 +249,11 @@ export default function WebRTCDesktopReceiver({ className, initialCode, onConnec
                   <div className="relative">
                     <Input
                       value={inputCode}
-                      onChange={(e) => setInputCode(e.target.value.replace(/[^A-Z0-9]/g, '').toUpperCase())}
+                      onChange={(e) => setInputCode(e.target.value.replace(/[^123456789ABCDEFGHIJKLMNPQRSTUVWXYZabcdefghijklmnpqrstuvwxyz]/g, ''))}
                       placeholder="请输入房间代码"
                       className="text-center text-2xl sm:text-3xl tracking-[0.3em] sm:tracking-[0.5em] font-mono h-12 sm:h-16 border-2 border-slate-200 rounded-xl focus:border-purple-500 focus:ring-purple-500 bg-white/80 backdrop-blur-sm pb-2 sm:pb-4"
                       maxLength={6}
-                      disabled={isLoading}
+                      disabled={isLoading || isJoiningRoom}
                     />
                   </div>
                   <p className="text-center text-xs sm:text-sm text-slate-500">
@@ -153,10 +264,15 @@ export default function WebRTCDesktopReceiver({ className, initialCode, onConnec
                 <div className="flex justify-center">
                   <Button
                     type="submit"
-                    disabled={inputCode.length !== 6 || isLoading}
+                    disabled={inputCode.length !== 6 || isLoading || isJoiningRoom}
                     className="w-full h-10 sm:h-12 bg-gradient-to-r from-purple-500 to-indigo-500 hover:from-purple-600 hover:to-indigo-600 text-white text-base sm:text-lg font-medium rounded-xl shadow-lg transition-all duration-200 hover:shadow-xl hover:scale-105 disabled:opacity-50 disabled:scale-100"
                   >
-                    {isLoading ? (
+                    {isJoiningRoom ? (
+                      <div className="flex items-center space-x-2">
+                        <div className="w-5 h-5 border-2 border-white border-t-transparent rounded-full animate-spin"></div>
+                        <span>验证中...</span>
+                      </div>
+                    ) : isLoading ? (
                       <div className="flex items-center space-x-2">
                         <div className="w-5 h-5 border-2 border-white border-t-transparent rounded-full animate-spin"></div>
                         <span>连接中...</span>

chuan-next/src/components/webrtc/WebRTCDesktopSender.tsx

@@ -2,9 +2,9 @@
 
 import React, { useState, useCallback, useEffect } from 'react';
 import { Button } from '@/components/ui/button';
-import { Share, Monitor, Copy, Play, Square, Repeat, Users, Wifi, WifiOff } from 'lucide-react';
+import { Share, Monitor,  Play, Square, Repeat } from 'lucide-react';
 import { useToast } from '@/components/ui/toast-simple';
-import { useDesktopShareBusiness } from '@/hooks/webrtc/useDesktopShareBusiness';
+import { useDesktopShareBusiness } from '@/hooks/desktop-share';
 import RoomInfoDisplay from '@/components/RoomInfoDisplay';
 import { ConnectionStatus } from '@/components/ConnectionStatus';
 

chuan-next/src/components/webrtc/WebRTCFileReceive.tsx

@@ -42,6 +42,7 @@ interface WebRTCFileReceiveProps {
   downloadedFiles?: Map<string, File>;
   error?: string | null;
   onReset?: () => void;
+  pickupCode?: string;
 }
 
 export function WebRTCFileReceive({
@@ -53,12 +54,16 @@ export function WebRTCFileReceive({
   isWebSocketConnected = false,
   downloadedFiles,
   error = null,
-  onReset
+  onReset,
+  pickupCode: propPickupCode
 }: WebRTCFileReceiveProps) {
   const [pickupCode, setPickupCode] = useState('');
   const [isValidating, setIsValidating] = useState(false);
   const { showToast } = useToast();
 
+  // 使用传入的取件码或本地状态的取件码
+  const displayPickupCode = propPickupCode || pickupCode;
+
   // 验证取件码是否存在
   const validatePickupCode = async (code: string): Promise<boolean> => {
     try {
@@ -110,7 +115,7 @@ export function WebRTCFileReceive({
   }, [pickupCode, onJoinRoom]);
 
   const handleInputChange = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
-    const value = e.target.value.replace(/[^A-Z0-9]/g, '').toUpperCase();
+    const value = e.target.value.replace(/[^123456789ABCDEFGHIJKLMNPQRSTUVWXYZabcdefghijklmnpqrstuvwxyz]/g, '');
     if (value.length <= 6) {
       setPickupCode(value);
     }
@@ -141,13 +146,13 @@ export function WebRTCFileReceive({
               </div>
               <div>
                 <h3 className="text-lg font-semibold text-slate-800">文件接收中</h3>
-                <p className="text-sm text-slate-600">取件码: {pickupCode}</p>
+                <p className="text-sm text-slate-600">取件码: {displayPickupCode}</p>
               </div>
             </div>
             
             <div className="flex items-center space-x-4">
               <ConnectionStatus 
-                currentRoom={pickupCode ? { code: pickupCode, role: 'receiver' } : null}
+                currentRoom={displayPickupCode ? { code: displayPickupCode, role: 'receiver' } : null}
               />
               
               <Button
@@ -202,14 +207,14 @@ export function WebRTCFileReceive({
             </div>
             <div>
               <h3 className="text-lg font-semibold text-slate-800">可下载文件</h3>
-              <p className="text-sm text-slate-600">房间代码: {pickupCode}</p>
+              <p className="text-sm text-slate-600">房间代码: {displayPickupCode}</p>
             </div>
           </div>
           
           {/* 连接状态 */}
           <ConnectionStatus 
 
-            currentRoom={{ code: pickupCode, role: 'receiver' }}
+            currentRoom={{ code: displayPickupCode, role: 'receiver' }}
           />
         </div>
         

chuan-next/src/components/webrtc/WebRTCTextReceiver.tsx

@@ -1,9 +1,9 @@
 "use client";
 
 import React, { useState, useRef, useEffect, useCallback } from 'react';
-import { useSharedWebRTCManager } from '@/hooks/webrtc/useSharedWebRTCManager';
-import { useTextTransferBusiness } from '@/hooks/webrtc/useTextTransferBusiness';
-import { useFileTransferBusiness } from '@/hooks/webrtc/useFileTransferBusiness';
+import { useSharedWebRTCManager } from '@/hooks/connection';
+import { useTextTransferBusiness } from '@/hooks/text-transfer';
+import { useFileTransferBusiness } from '@/hooks/file-transfer';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import { useToast } from '@/components/ui/toast-simple';
@@ -209,7 +209,7 @@ export const WebRTCTextReceiver: React.FC<WebRTCTextReceiverProps> = ({
               <div className="relative">
                 <Input
                   value={inputCode}
-                  onChange={(e) => setInputCode(e.target.value.replace(/[^A-Z0-9]/g, '').toUpperCase())}
+                  onChange={(e) => setInputCode(e.target.value.replace(/[^123456789ABCDEFGHIJKLMNPQRSTUVWXYZabcdefghijklmnpqrstuvwxyz]/g, ''))}
                   placeholder="请输入取件码"
                   className="text-center text-2xl sm:text-3xl tracking-[0.3em] sm:tracking-[0.5em] font-mono h-12 sm:h-16 border-2 border-slate-200 rounded-xl focus:border-emerald-500 focus:ring-emerald-500 bg-white/80 backdrop-blur-sm pb-2 sm:pb-4"
                   maxLength={6}
@@ -297,12 +297,14 @@ export const WebRTCTextReceiver: React.FC<WebRTCTextReceiverProps> = ({
               )}
             </div>
 
-            <div className="min-h-[200px] bg-slate-50/50 rounded-xl p-4 border border-slate-100">
+            <div className="min-h-[200px] bg-slate-50/50 rounded-xl p-4 border border-slate-100 overflow-hidden">
               {receivedText ? (
-                <div className="space-y-2">
-                  <pre className="whitespace-pre-wrap text-slate-700 text-sm leading-relaxed font-sans">
-                    {receivedText}
-                  </pre>
+                <div className="space-y-2 h-full">
+                  <div className="overflow-auto max-h-[180px]">
+                    <pre className="whitespace-pre-wrap break-words text-slate-700 text-sm leading-relaxed font-sans">
+                      {receivedText}
+                    </pre>
+                  </div>
                   {isTyping && (
                     <div className="flex items-center space-x-2 text-slate-500 text-sm">
                       <div className="flex space-x-1">
@@ -364,4 +366,4 @@ export const WebRTCTextReceiver: React.FC<WebRTCTextReceiverProps> = ({
       )}
     </div>
   );
-};
+};

chuan-next/src/components/webrtc/WebRTCTextSender.tsx

@@ -1,9 +1,9 @@
 "use client";
 
 import React, { useState, useRef, useEffect, useCallback } from 'react';
-import { useSharedWebRTCManager } from '@/hooks/webrtc/useSharedWebRTCManager';
-import { useTextTransferBusiness } from '@/hooks/webrtc/useTextTransferBusiness';
-import { useFileTransferBusiness } from '@/hooks/webrtc/useFileTransferBusiness';
+import { useSharedWebRTCManager } from '@/hooks/connection';
+import { useTextTransferBusiness } from '@/hooks/text-transfer';
+import { useFileTransferBusiness } from '@/hooks/file-transfer';
 import { Button } from '@/components/ui/button';
 import { useToast } from '@/components/ui/toast-simple';
 import { MessageSquare, Image, Send, Copy } from 'lucide-react';
@@ -115,21 +115,14 @@ export const WebRTCTextSender: React.FC<WebRTCTextSenderProps> = ({ onRestart, o
       console.log('=== 开始创建房间 ===');
       const currentText = textInput.trim();
       
+      // 创建后端房间 - 简化版本，不发送无用的文本信息
       const response = await fetch('/api/create-room', {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
         },
-        body: JSON.stringify({
-          type: 'message',
-          initialText: currentText || '', 
-          hasImages: false,
-          maxFileSize: 5 * 1024 * 1024,
-          settings: {
-            enableRealTimeText: true,
-            enableImageTransfer: true
-          }
-        }),
+        // 不再发送文本内容，因为后端不使用这些信息
+        body: JSON.stringify({}),
       });
 
       const data = await response.json();

chuan-next/src/hooks/connection/index.ts

@@ -0,0 +1,6 @@
+// 连接相关的hooks
+export { useConnectionState } from './useConnectionState';
+export { useRoomConnection } from './useRoomConnection';
+export { useSharedWebRTCManager } from './useSharedWebRTCManager';
+export { useWebRTCManager } from './useWebRTCManager';
+export { useWebRTCSupport } from './useWebRTCSupport';

chuan-next/src/hooks/connection/useConnectionState.ts

@@ -0,0 +1,137 @@
+import { useState, useEffect, useCallback } from 'react';
+import { useToast } from '@/components/ui/toast-simple';
+
+interface UseConnectionStateProps {
+  isWebSocketConnected: boolean;
+  isConnected: boolean;
+  isConnecting: boolean;
+  error: string;
+  pickupCode: string;
+  fileListLength: number;
+  currentTransferFile: any;
+  setCurrentTransferFile: (file: any) => void;
+  updateFileListStatus: (callback: (prev: any[]) => any[]) => void;
+}
+
+export const useConnectionState = ({
+  isWebSocketConnected,
+  isConnected,
+  isConnecting,
+  error,
+  pickupCode,
+  fileListLength,
+  currentTransferFile,
+  setCurrentTransferFile,
+  updateFileListStatus
+}: UseConnectionStateProps) => {
+  const { showToast } = useToast();
+  const [lastError, setLastError] = useState<string>('');
+
+  // 处理连接错误
+  useEffect(() => {
+    if (error && error !== lastError) {
+      console.log('=== 连接错误处理 ===');
+      console.log('错误信息:', error);
+      
+      // 根据错误类型显示不同的提示
+      let errorMessage = error;
+      
+      if (error.includes('WebSocket')) {
+        errorMessage = '服务器连接失败，请检查网络连接或稍后重试';
+      } else if (error.includes('数据通道')) {
+        errorMessage = '数据通道连接失败，请重新尝试连接';
+      } else if (error.includes('连接超时')) {
+        errorMessage = '连接超时，请检查网络状况或重新尝试';
+      } else if (error.includes('连接失败')) {
+        errorMessage = 'WebRTC连接失败，可能是网络环境限制，请尝试刷新页面';
+      } else if (error.includes('信令错误')) {
+        errorMessage = '信令服务器错误，请稍后重试';
+      } else if (error.includes('创建连接失败')) {
+        errorMessage = '无法建立P2P连接，请检查网络设置';
+      }
+      
+      // 显示错误提示
+      showToast(errorMessage, "error");
+      setLastError(error);
+      
+      // 如果是严重连接错误，清理传输状态
+      if (error.includes('连接失败') || error.includes('数据通道连接失败') || error.includes('WebSocket')) {
+        console.log('严重连接错误，清理传输状态');
+        setCurrentTransferFile(null);
+        
+        // 重置所有正在传输的文件状态
+        updateFileListStatus((prev: any[]) => prev.map(item => 
+          item.status === 'downloading' 
+            ? { ...item, status: 'ready' as const, progress: 0 }
+            : item
+        ));
+      }
+    }
+  }, [error, lastError, showToast, setCurrentTransferFile, updateFileListStatus]);
+
+  // 监听连接状态变化和清理传输状态
+  useEffect(() => {
+    console.log('=== 连接状态变化 ===');
+    console.log('WebSocket连接状态:', isWebSocketConnected);
+    console.log('WebRTC连接状态:', isConnected);
+    console.log('连接中状态:', isConnecting);
+    
+    // 当连接断开或有错误时，清理所有传输状态
+    const shouldCleanup = (!isWebSocketConnected && !isConnected && !isConnecting && pickupCode) || 
+                         ((!isConnected && !isConnecting) || error);
+    
+    if (shouldCleanup) {
+      const hasCurrentTransfer = !!currentTransferFile;
+      const hasFileList = fileListLength > 0;
+      
+      // 只有在之前有连接活动时才显示断开提示和清理状态
+      if (hasFileList || hasCurrentTransfer) {
+        if (!isWebSocketConnected && pickupCode) {
+          showToast('与服务器的连接已断开，请重新连接', "error");
+        }
+        
+        console.log('连接断开，清理传输状态');
+        
+        if (currentTransferFile) {
+          setCurrentTransferFile(null);
+        }
+        
+        // 重置所有正在下载的文件状态
+        updateFileListStatus((prev: any[]) => {
+          const hasDownloadingFiles = prev.some(item => item.status === 'downloading');
+          if (hasDownloadingFiles) {
+            console.log('重置正在传输的文件状态');
+            return prev.map(item => 
+              item.status === 'downloading' 
+                ? { ...item, status: 'ready' as const, progress: 0 }
+                : item
+            );
+          }
+          return prev;
+        });
+      }
+    }
+    
+    // WebSocket连接成功时的提示
+    if (isWebSocketConnected && isConnecting && !isConnected) {
+      console.log('WebSocket已连接，正在建立P2P连接...');
+    }
+    
+  }, [isWebSocketConnected, isConnected, isConnecting, pickupCode, error, showToast, currentTransferFile, fileListLength, setCurrentTransferFile, updateFileListStatus]);
+
+  // 监听连接状态变化并提供日志
+  useEffect(() => {
+    console.log('=== WebRTC连接状态变化 ===');
+    console.log('连接状态:', {
+      isConnected,
+      isConnecting,
+      isWebSocketConnected,
+      pickupCode,
+      fileListLength
+    });
+  }, [isConnected, isConnecting, isWebSocketConnected, pickupCode, fileListLength]);
+
+  return {
+    lastError
+  };
+};

chuan-next/src/hooks/connection/useRoomConnection.ts

@@ -0,0 +1,103 @@
+import { useState, useCallback } from 'react';
+import { useToast } from '@/components/ui/toast-simple';
+
+interface UseRoomConnectionProps {
+  connect: (code: string, role: 'sender' | 'receiver') => void;
+  isConnecting: boolean;
+  isConnected: boolean;
+}
+
+export const useRoomConnection = ({ connect, isConnecting, isConnected }: UseRoomConnectionProps) => {
+  const { showToast } = useToast();
+  const [isJoiningRoom, setIsJoiningRoom] = useState(false);
+
+  const validateRoomCode = (code: string): string | null => {
+    const trimmedCode = code.trim();
+    if (!trimmedCode || trimmedCode.length !== 6) {
+      return '请输入正确的6位取件码';
+    }
+    return null;
+  };
+
+  const checkRoomStatus = async (code: string) => {
+    const response = await fetch(`/api/room-info?code=${code}`);
+    
+    if (!response.ok) {
+      throw new Error(`HTTP ${response.status}: 无法检查房间状态`);
+    }
+    
+    const result = await response.json();
+    
+    if (!result.success) {
+      let errorMessage = result.message || '房间不存在或已过期';
+      if (result.message?.includes('expired')) {
+        errorMessage = '房间已过期，请联系发送方重新创建';
+      } else if (result.message?.includes('not found')) {
+        errorMessage = '房间不存在，请检查取件码是否正确';
+      }
+      throw new Error(errorMessage);
+    }
+    
+    if (!result.sender_online) {
+      throw new Error('发送方不在线，请确认取件码是否正确或联系发送方');
+    }
+
+    return result;
+  };
+
+  const handleNetworkError = (error: Error): string => {
+    if (error.message.includes('network') || error.message.includes('fetch')) {
+      return '网络连接失败，请检查网络状况';
+    } else if (error.message.includes('timeout')) {
+      return '请求超时，请重试';
+    } else if (error.message.includes('HTTP 404')) {
+      return '房间不存在，请检查取件码';
+    } else if (error.message.includes('HTTP 500')) {
+      return '服务器错误，请稍后重试';
+    } else {
+      return error.message;
+    }
+  };
+
+  // 加入房间 (接收模式)
+  const joinRoom = useCallback(async (code: string) => {
+    console.log('=== 加入房间 ===');
+    console.log('取件码:', code);
+    
+    // 验证输入
+    const validationError = validateRoomCode(code);
+    if (validationError) {
+      showToast(validationError, "error");
+      return;
+    }
+
+    // 防止重复调用
+    if (isConnecting || isConnected || isJoiningRoom) {
+      console.log('已在连接中或已连接，跳过重复的房间状态检查');
+      return;
+    }
+    
+    setIsJoiningRoom(true);
+    
+    try {
+      console.log('检查房间状态...');
+      await checkRoomStatus(code.trim());
+      
+      console.log('房间状态检查通过，开始连接...');
+      connect(code.trim(), 'receiver');
+      showToast(`正在连接到房间: ${code.trim()}`, "success");
+      
+    } catch (error) {
+      console.error('检查房间状态失败:', error);
+      const errorMessage = error instanceof Error ? handleNetworkError(error) : '检查房间状态失败';
+      showToast(errorMessage, "error");
+    } finally {
+      setIsJoiningRoom(false);
+    }
+  }, [isConnecting, isConnected, isJoiningRoom, showToast, connect]);
+
+  return {
+    joinRoom,
+    isJoiningRoom
+  };
+};

chuan-next/src/hooks/connection/useSharedWebRTCManager.ts

@@ -1,6 +1,6 @@
 import { useState, useRef, useCallback } from 'react';
 import { getWsUrl } from '@/lib/config';
-import { useWebRTCStore } from './webRTCStore';
+import { useWebRTCStore } from '../ui/webRTCStore';
 
 // 基础连接状态
 interface WebRTCState {
@@ -9,6 +9,7 @@ interface WebRTCState {
   isWebSocketConnected: boolean;
   isPeerConnected: boolean;  // 新增：P2P连接状态
   error: string | null;
+  canRetry: boolean;  // 新增：是否可以重试
 }
 
 // 消息类型
@@ -30,10 +31,12 @@ export interface WebRTCConnection {
   isWebSocketConnected: boolean;
   isPeerConnected: boolean;  // 新增：P2P连接状态
   error: string | null;
+  canRetry: boolean;  // 新增：是否可以重试
 
   // 操作方法
   connect: (roomCode: string, role: 'sender' | 'receiver') => Promise<void>;
   disconnect: () => void;
+  retry: () => Promise<void>;  // 新增：重试连接方法
   sendMessage: (message: WebRTCMessage, channel?: string) => boolean;
   sendData: (data: ArrayBuffer) => boolean;
 
@@ -71,6 +74,9 @@ export function useSharedWebRTCManager(): WebRTCConnection {
 
   // 当前连接的房间信息
   const currentRoom = useRef<{ code: string; role: 'sender' | 'receiver' } | null>(null);
+  
+  // 用于跟踪是否是用户主动断开连接
+  const isUserDisconnecting = useRef<boolean>(false);
 
   // 多通道消息处理器
   const messageHandlers = useRef<Map<string, MessageHandler>>(new Map());
@@ -112,6 +118,7 @@ export function useSharedWebRTCManager(): WebRTCConnection {
     }
 
     currentRoom.current = null;
+    isUserDisconnecting.current = false;  // 重置主动断开标志
   }, []);
 
   // 创建 Offer
@@ -153,7 +160,7 @@ export function useSharedWebRTCManager(): WebRTCConnection {
       }
     } catch (error) {
       console.error('[SharedWebRTC] ❌ 创建 offer 失败:', error);
-      updateState({ error: '创建连接失败', isConnecting: false });
+      updateState({ error: '创建连接失败', isConnecting: false, canRetry: true });
     }
   }, [updateState]);
 
@@ -209,6 +216,9 @@ export function useSharedWebRTCManager(): WebRTCConnection {
     currentRoom.current = { code: roomCode, role };
     webrtcStore.setCurrentRoom({ code: roomCode, role });
     updateState({ isConnecting: true, error: null });
+    
+    // 重置主动断开标志
+    isUserDisconnecting.current = false;
 
     // 注意：不在这里设置超时，因为WebSocket连接很快，
     // WebRTC连接的建立是在后续添加轨道时进行的
@@ -326,7 +336,27 @@ export function useSharedWebRTCManager(): WebRTCConnection {
 
             case 'error':
               console.error('[SharedWebRTC] ❌ 信令服务器错误:', message.error);
-              updateState({ error: message.error, isConnecting: false });
+              updateState({ error: message.error, isConnecting: false, canRetry: true });
+              break;
+
+            case 'disconnection':
+              console.log('[SharedWebRTC] 🔌 对方主动断开连接');
+              // 对方断开连接的处理
+              updateState({ 
+                isPeerConnected: false,
+                isConnected: false,  // 添加这个状态
+                error: '对方已离开房间',
+                canRetry: true 
+              });
+              // 清理P2P连接但保持WebSocket连接，允许重新连接
+              if (pcRef.current) {
+                pcRef.current.close();
+                pcRef.current = null;
+              }
+              if (dcRef.current) {
+                dcRef.current.close();
+                dcRef.current = null;
+              }
               break;
 
             default:
@@ -334,20 +364,29 @@ export function useSharedWebRTCManager(): WebRTCConnection {
           }
         } catch (error) {
           console.error('[SharedWebRTC] ❌ 处理信令消息失败:', error);
-          updateState({ error: '信令处理失败: ' + error, isConnecting: false });
+          updateState({ error: '信令处理失败: ' + error, isConnecting: false, canRetry: true });
         }
       };
 
       ws.onerror = (error) => {
         console.error('[SharedWebRTC] ❌ WebSocket 错误:', error);
-        updateState({ error: 'WebSocket连接失败，请检查服务器是否运行在8080端口', isConnecting: false });
+        updateState({ error: 'WebSocket连接失败', isConnecting: false, canRetry: true });
       };
 
       ws.onclose = (event) => {
         console.log('[SharedWebRTC] 🔌 WebSocket 连接已关闭, 代码:', event.code, '原因:', event.reason);
         updateState({ isWebSocketConnected: false });
+        
+        // 检查是否是用户主动断开
+        if (isUserDisconnecting.current) {
+          console.log('[SharedWebRTC] ✅ 用户主动断开，正常关闭');
+          // 用户主动断开时不显示错误消息
+          return;
+        }
+        
+        // 只有在非正常关闭且不是用户主动断开时才显示错误
         if (event.code !== 1000 && event.code !== 1001) { // 非正常关闭
-          updateState({ error: `WebSocket异常关闭 (${event.code}): ${event.reason || '未知原因'}`, isConnecting: false });
+          updateState({ error: `WebSocket异常关闭 (${event.code}): ${event.reason || '连接意外断开'}`, isConnecting: false, canRetry: true });
         }
       };
 
@@ -376,7 +415,7 @@ export function useSharedWebRTCManager(): WebRTCConnection {
             break;
           case 'failed':
             console.error('[SharedWebRTC] ❌ ICE连接失败');
-            updateState({ error: 'ICE连接失败，可能是网络防火墙阻止了连接', isConnecting: false });
+            updateState({ error: 'ICE连接失败，可能是网络防火墙阻止了连接', isConnecting: false, canRetry: true });
             break;
           case 'disconnected':
             console.log('[SharedWebRTC] 🔌 ICE连接断开');
@@ -396,14 +435,14 @@ export function useSharedWebRTCManager(): WebRTCConnection {
             break;
           case 'connected':
             console.log('[SharedWebRTC] 🎉 WebRTC P2P连接已完全建立，可以进行媒体传输');
-            updateState({ isPeerConnected: true, error: null });
+            updateState({ isPeerConnected: true, error: null, canRetry: false });
             break;
           case 'failed':
             // 只有在数据通道也未打开的情况下才认为连接真正失败
             const currentDc = dcRef.current;
             if (!currentDc || currentDc.readyState !== 'open') {
               console.error('[SharedWebRTC] ❌ WebRTC连接失败，数据通道未建立');
-              updateState({ error: 'WebRTC连接失败，请检查网络设置或重试', isPeerConnected: false });
+              updateState({ error: 'WebRTC连接失败，请检查网络设置或重试', isPeerConnected: false, canRetry: true });
             } else {
               console.log('[SharedWebRTC] ⚠️ WebRTC连接状态为failed，但数据通道正常，忽略此状态');
             }
@@ -429,14 +468,59 @@ export function useSharedWebRTCManager(): WebRTCConnection {
 
         dataChannel.onopen = () => {
           console.log('[SharedWebRTC] 数据通道已打开 (发送方)');
-          updateState({ isPeerConnected: true, error: null, isConnecting: false });
+          updateState({ isPeerConnected: true, error: null, isConnecting: false, canRetry: false });
         };
 
         dataChannel.onmessage = handleDataChannelMessage;
 
         dataChannel.onerror = (error) => {
           console.error('[SharedWebRTC] 数据通道错误:', error);
-          updateState({ error: '数据通道连接失败，可能是网络环境受限', isConnecting: false });
+          
+          // 获取更详细的错误信息
+          let errorMessage = '数据通道连接失败';
+          let shouldRetry = false;
+          
+          // 根据数据通道状态提供更具体的错误信息
+          switch (dataChannel.readyState) {
+            case 'connecting':
+              errorMessage = '数据通道正在连接中，请稍候...';
+              shouldRetry = true;
+              break;
+            case 'closing':
+              errorMessage = '数据通道正在关闭，连接即将断开';
+              break;
+            case 'closed':
+              errorMessage = '数据通道已关闭，P2P连接失败';
+              shouldRetry = true;
+              break;
+            default:
+              // 检查PeerConnection状态
+              const pc = pcRef.current;
+              if (pc) {
+                switch (pc.connectionState) {
+                  case 'failed':
+                    errorMessage = 'P2P连接失败，可能是网络防火墙阻止了连接，请尝试切换网络或使用VPN';
+                    shouldRetry = true;
+                    break;
+                  case 'disconnected':
+                    errorMessage = 'P2P连接已断开，网络可能不稳定';
+                    shouldRetry = true;
+                    break;
+                  default:
+                    errorMessage = '数据通道连接失败，可能是网络环境受限';
+                    shouldRetry = true;
+                }
+              }
+          }
+          
+          console.error(`[SharedWebRTC] 数据通道详细错误 - 状态: ${dataChannel.readyState}, 消息: ${errorMessage}, 建议重试: ${shouldRetry}`);
+          
+          updateState({ 
+            error: errorMessage, 
+            isConnecting: false,
+            isPeerConnected: false,  // 数据通道出错时，P2P连接肯定不可用
+            canRetry: shouldRetry    // 设置是否可以重试
+          });
         };
       } else {
         pc.ondatachannel = (event) => {
@@ -445,14 +529,59 @@ export function useSharedWebRTCManager(): WebRTCConnection {
 
           dataChannel.onopen = () => {
             console.log('[SharedWebRTC] 数据通道已打开 (接收方)');
-            updateState({ isPeerConnected: true, error: null, isConnecting: false });
+            updateState({ isPeerConnected: true, error: null, isConnecting: false, canRetry: false });
           };
 
           dataChannel.onmessage = handleDataChannelMessage;
 
           dataChannel.onerror = (error) => {
-            console.error('[SharedWebRTC] 数据通道错误:', error);
-            updateState({ error: '数据通道连接失败，可能是网络环境受限', isConnecting: false });
+            console.error('[SharedWebRTC] 数据通道错误 (接收方):', error);
+            
+            // 获取更详细的错误信息
+            let errorMessage = '数据通道连接失败';
+            let shouldRetry = false;
+            
+            // 根据数据通道状态提供更具体的错误信息
+            switch (dataChannel.readyState) {
+              case 'connecting':
+                errorMessage = '数据通道正在连接中，请稍候...';
+                shouldRetry = true;
+                break;
+              case 'closing':
+                errorMessage = '数据通道正在关闭，连接即将断开';
+                break;
+              case 'closed':
+                errorMessage = '数据通道已关闭，P2P连接失败';
+                shouldRetry = true;
+                break;
+              default:
+                // 检查PeerConnection状态
+                const pc = pcRef.current;
+                if (pc) {
+                  switch (pc.connectionState) {
+                    case 'failed':
+                      errorMessage = 'P2P连接失败，可能是网络防火墙阻止了连接，请尝试切换网络或使用VPN';
+                      shouldRetry = true;
+                      break;
+                    case 'disconnected':
+                      errorMessage = 'P2P连接已断开，网络可能不稳定';
+                      shouldRetry = true;
+                      break;
+                    default:
+                      errorMessage = '数据通道连接失败，可能是网络环境受限';
+                      shouldRetry = true;
+                  }
+                }
+            }
+            
+            console.error(`[SharedWebRTC] 数据通道详细错误 (接收方) - 状态: ${dataChannel.readyState}, 消息: ${errorMessage}, 建议重试: ${shouldRetry}`);
+            
+            updateState({ 
+              error: errorMessage, 
+              isConnecting: false,
+              isPeerConnected: false,  // 数据通道出错时，P2P连接肯定不可用
+              canRetry: shouldRetry    // 设置是否可以重试
+            });
           };
         };
       }
@@ -474,18 +603,58 @@ export function useSharedWebRTCManager(): WebRTCConnection {
       console.error('[SharedWebRTC] 连接失败:', error);
       updateState({
         error: error instanceof Error ? error.message : '连接失败',
-        isConnecting: false
+        isConnecting: false,
+        canRetry: true
       });
     }
   }, [updateState, cleanup, createOffer, handleDataChannelMessage, webrtcStore.isConnecting, webrtcStore.isConnected]);
 
   // 断开连接
   const disconnect = useCallback(() => {
-    console.log('[SharedWebRTC] 断开连接');
+    console.log('[SharedWebRTC] 主动断开连接');
+    
+    // 设置主动断开标志
+    isUserDisconnecting.current = true;
+    
+    // 在断开之前通知对方
+    const ws = wsRef.current;
+    if (ws && ws.readyState === WebSocket.OPEN) {
+      try {
+        ws.send(JSON.stringify({ 
+          type: 'disconnection', 
+          payload: { reason: '用户主动断开' }
+        }));
+        console.log('[SharedWebRTC] 📤 已通知对方断开连接');
+      } catch (error) {
+        console.warn('[SharedWebRTC] 发送断开通知失败:', error);
+      }
+    }
+    
+    // 清理连接
     cleanup();
-    webrtcStore.reset();
+    
+    // 主动断开时，将状态完全重置为初始状态（没有任何错误或消息）
+    webrtcStore.resetToInitial();
   }, [cleanup, webrtcStore]);
 
+  // 重试连接
+  const retry = useCallback(async () => {
+    const room = currentRoom.current;
+    if (!room) {
+      console.warn('[SharedWebRTC] 没有当前房间信息，无法重试');
+      updateState({ error: '无法重试连接：缺少房间信息', canRetry: false });
+      return;
+    }
+    
+    console.log('[SharedWebRTC] 🔄 重试连接到房间:', room.code, room.role);
+    
+    // 清理当前连接
+    cleanup();
+    
+    // 重新连接
+    await connect(room.code, room.role);
+  }, [cleanup, connect, updateState]);
+
   // 发送消息
   const sendMessage = useCallback((message: WebRTCMessage, channel?: string) => {
     const dataChannel = dcRef.current;
@@ -593,15 +762,32 @@ export function useSharedWebRTCManager(): WebRTCConnection {
     const pc = pcRef.current;
     if (!pc) {
       console.warn('[SharedWebRTC] PeerConnection 尚未准备就绪，将在连接建立后设置onTrack');
+      // 检查WebSocket连接状态，只有连接后才尝试设置
+      if (!webrtcStore.isWebSocketConnected) {
+        console.log('[SharedWebRTC] WebSocket未连接，等待连接建立...');
+        return;
+      }
+      
       // 延迟设置，等待PeerConnection准备就绪
+      let retryCount = 0;
+      const maxRetries = 30; // 最多重试30次，即3秒
+      
       const checkAndSetTrackHandler = () => {
         const currentPc = pcRef.current;
         if (currentPc) {
           console.log('[SharedWebRTC] ✅ PeerConnection 已准备就绪，设置onTrack处理器');
           currentPc.ontrack = handler;
         } else {
-          console.log('[SharedWebRTC] ⏳ 等待PeerConnection准备就绪...');
-          setTimeout(checkAndSetTrackHandler, 100);
+          retryCount++;
+          if (retryCount < maxRetries) {
+            // 只在偶数次重试时输出日志，减少日志数量
+            if (retryCount % 2 === 0) {
+              console.log(`[SharedWebRTC] ⏳ 等待PeerConnection准备就绪... (尝试: ${retryCount}/${maxRetries})`);
+            }
+            setTimeout(checkAndSetTrackHandler, 100);
+          } else {
+            console.error('[SharedWebRTC] ❌ PeerConnection 长时间未准备就绪，停止重试');
+          }
         }
       };
       checkAndSetTrackHandler();
@@ -610,7 +796,7 @@ export function useSharedWebRTCManager(): WebRTCConnection {
     
     console.log('[SharedWebRTC] ✅ 立即设置onTrack处理器');
     pc.ontrack = handler;
-  }, []);
+  }, [webrtcStore.isWebSocketConnected]);
 
   // 获取PeerConnection实例
   const getPeerConnection = useCallback(() => {
@@ -642,10 +828,12 @@ export function useSharedWebRTCManager(): WebRTCConnection {
     isWebSocketConnected: webrtcStore.isWebSocketConnected,
     isPeerConnected: webrtcStore.isPeerConnected,
     error: webrtcStore.error,
+    canRetry: webrtcStore.canRetry,
 
     // 操作方法
     connect,
     disconnect,
+    retry,
     sendMessage,
     sendData,
 

chuan-next/src/hooks/connection/useWebRTCManager.ts

@@ -0,0 +1,195 @@
+import { useState, useEffect, useCallback, useRef } from 'react';
+import { WebRTCManager } from '../webrtc/WebRTCManager';
+import { WebRTCConnectionState, WebRTCMessage, MessageHandler, DataHandler } from '../webrtc/types';
+import { WebRTCConnection } from './useSharedWebRTCManager';
+
+interface WebRTCManagerConfig {
+  dataChannelName?: string;
+  enableLogging?: boolean;
+  iceServers?: RTCIceServer[];
+  iceCandidatePoolSize?: number;
+  chunkSize?: number;
+  maxRetries?: number;
+  retryDelay?: number;
+  ackTimeout?: number;
+}
+
+/**
+ * 新的 WebRTC 管理器 Hook
+ * 替代原有的 useSharedWebRTCManager，提供更好的架构和错误处理
+ */
+export function useWebRTCManager(config: WebRTCManagerConfig = {}): WebRTCConnection {
+  const managerRef = useRef<WebRTCManager | null>(null);
+  const [state, setState] = useState<WebRTCConnectionState>({
+    isConnected: false,
+    isConnecting: false,
+    isWebSocketConnected: false,
+    isPeerConnected: false,
+    error: null,
+    canRetry: false,
+    currentRoom: null,
+  });
+
+  // 初始化管理器
+  useEffect(() => {
+    if (!managerRef.current) {
+      managerRef.current = new WebRTCManager(config);
+      
+      // 监听状态变化
+      managerRef.current.on('state-change', (event: any) => {
+        setState(prev => ({ ...prev, ...event.state }));
+      });
+    }
+
+    return () => {
+      if (managerRef.current) {
+        managerRef.current.disconnect();
+        managerRef.current = null;
+      }
+    };
+  }, [config]);
+
+  // 连接
+  const connect = useCallback(async (roomCode: string, role: 'sender' | 'receiver') => {
+    if (!managerRef.current) {
+      throw new Error('WebRTC 管理器未初始化');
+    }
+    return managerRef.current.connect(roomCode, role);
+  }, []);
+
+  // 断开连接
+  const disconnect = useCallback(() => {
+    if (!managerRef.current) return;
+    managerRef.current.disconnect();
+  }, []);
+
+  // 重试连接
+  const retry = useCallback(async () => {
+    if (!managerRef.current) {
+      throw new Error('WebRTC 管理器未初始化');
+    }
+    return managerRef.current.retry();
+  }, []);
+
+  // 发送消息
+  const sendMessage = useCallback((message: WebRTCMessage, channel?: string) => {
+    if (!managerRef.current) return false;
+    return managerRef.current.sendMessage(message, channel);
+  }, []);
+
+  // 发送数据
+  const sendData = useCallback((data: ArrayBuffer) => {
+    if (!managerRef.current) return false;
+    return managerRef.current.sendData(data);
+  }, []);
+
+  // 注册消息处理器
+  const registerMessageHandler = useCallback((channel: string, handler: MessageHandler) => {
+    if (!managerRef.current) return () => {};
+    return managerRef.current.registerMessageHandler(channel, handler);
+  }, []);
+
+  // 注册数据处理器
+  const registerDataHandler = useCallback((channel: string, handler: DataHandler) => {
+    if (!managerRef.current) return () => {};
+    return managerRef.current.registerDataHandler(channel, handler);
+  }, []);
+
+  // 添加媒体轨道
+  const addTrack = useCallback((track: MediaStreamTrack, stream: MediaStream) => {
+    if (!managerRef.current) return null;
+    return managerRef.current.addTrack(track, stream);
+  }, []);
+
+  // 移除媒体轨道
+  const removeTrack = useCallback((sender: RTCRtpSender) => {
+    if (!managerRef.current) return;
+    managerRef.current.removeTrack(sender);
+  }, []);
+
+  // 设置轨道处理器
+  const onTrack = useCallback((handler: (event: RTCTrackEvent) => void) => {
+    if (!managerRef.current) return;
+    managerRef.current.onTrack(handler);
+  }, []);
+
+  // 获取 PeerConnection
+  const getPeerConnection = useCallback(() => {
+    if (!managerRef.current) return null;
+    return managerRef.current.getPeerConnection();
+  }, []);
+
+  // 立即创建 offer
+  const createOfferNow = useCallback(async () => {
+    if (!managerRef.current) return false;
+    return managerRef.current.createOfferNow();
+  }, []);
+
+  // 获取数据通道状态
+  const getChannelState = useCallback(() => {
+    if (!managerRef.current) return 'closed';
+    return managerRef.current.getChannelState();
+  }, []);
+
+  // 检查是否已连接到指定房间
+  const isConnectedToRoom = useCallback((roomCode: string, role: 'sender' | 'receiver') => {
+    if (!managerRef.current) return false;
+    return managerRef.current.isConnectedToRoom(roomCode, role);
+  }, []);
+
+  return {
+    // 状态
+    isConnected: state.isConnected,
+    isConnecting: state.isConnecting,
+    isWebSocketConnected: state.isWebSocketConnected,
+    isPeerConnected: state.isPeerConnected,
+    error: state.error,
+    canRetry: state.canRetry,
+
+    // 操作方法
+    connect,
+    disconnect,
+    retry,
+    sendMessage,
+    sendData,
+
+    // 处理器注册
+    registerMessageHandler,
+    registerDataHandler,
+
+    // 工具方法
+    getChannelState,
+    isConnectedToRoom,
+
+    // 媒体轨道方法
+    addTrack,
+    removeTrack,
+    onTrack,
+    getPeerConnection,
+    createOfferNow,
+
+    // 当前房间信息
+    currentRoom: state.currentRoom,
+  };
+}
+
+/**
+ * 迁移辅助 Hook - 提供向后兼容性
+ * 可以逐步将现有代码迁移到新的架构
+ */
+export function useWebRTCMigration() {
+  const newManager = useWebRTCManager();
+  // 注意：这里需要先创建一个包装器来兼容旧的接口
+  // 暂时注释掉，避免循环依赖
+  // const oldManager = useSharedWebRTCManager();
+
+  return {
+    newManager,
+    // oldManager, // 暂时禁用
+    // 可以添加迁移工具函数
+    migrateState: () => {
+      // 将旧状态迁移到新状态
+      console.log('状态迁移功能待实现');
+    },
+  };
+}

chuan-next/src/hooks/connection/useWebRTCSupport.ts

@@ -0,0 +1,40 @@
+import { useState, useEffect } from 'react';
+import { detectWebRTCSupport, WebRTCSupport } from '@/lib/webrtc-support';
+
+/**
+ * WebRTC 支持检测 Hook
+ */
+export function useWebRTCSupport() {
+  const [webrtcSupport, setWebrtcSupport] = useState<WebRTCSupport | null>(null);
+  const [showUnsupportedModal, setShowUnsupportedModal] = useState(false);
+  const [isChecked, setIsChecked] = useState(false);
+
+  useEffect(() => {
+    // 页面加载时检测WebRTC支持
+    const support = detectWebRTCSupport();
+    setWebrtcSupport(support);
+    setIsChecked(true);
+
+    // 如果不支持，自动显示模态框
+    if (!support.isSupported) {
+      setShowUnsupportedModal(true);
+    }
+  }, []);
+
+  const closeUnsupportedModal = () => {
+    setShowUnsupportedModal(false);
+  };
+
+  const showUnsupportedModalManually = () => {
+    setShowUnsupportedModal(true);
+  };
+
+  return {
+    webrtcSupport,
+    isSupported: webrtcSupport?.isSupported ?? false,
+    isChecked,
+    showUnsupportedModal,
+    closeUnsupportedModal,
+    showUnsupportedModalManually,
+  };
+}

chuan-next/src/hooks/desktop-share/index.ts

@@ -0,0 +1,2 @@
+// 桌面共享相关的hooks
+export { useDesktopShareBusiness } from './useDesktopShareBusiness';

chuan-next/src/hooks/desktop-share/useDesktopShareBusiness.ts

@@ -1,5 +1,5 @@
 import { useState, useRef, useCallback, useEffect } from 'react';
-import { useSharedWebRTCManager } from './useSharedWebRTCManager';
+import { useSharedWebRTCManager } from '../connection/useSharedWebRTCManager';
 
 interface DesktopShareState {
   isSharing: boolean;
@@ -60,16 +60,6 @@ export function useDesktopShareBusiness() {
     });
   }, [webRTC, handleRemoteStream]);
 
-  // 生成6位房间代码
-  const generateRoomCode = useCallback(() => {
-    const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
-    let result = '';
-    for (let i = 0; i < 6; i++) {
-      result += chars.charAt(Math.floor(Math.random() * chars.length));
-    }
-    return result;
-  }, []);
-
   // 获取桌面共享流
   const getDesktopStream = useCallback(async (): Promise<MediaStream> => {
     try {
@@ -172,13 +162,32 @@ export function useDesktopShareBusiness() {
     };
   }, [webRTC]);
 
+  // 创建房间 - 统一使用后端生成房间码
+  const createRoomFromBackend = useCallback(async (): Promise<string> => {
+    const response = await fetch('/api/create-room', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({}),
+    });
+
+    const data = await response.json();
+    
+    if (!response.ok) {
+      throw new Error(data.error || '创建房间失败');
+    }
+
+    return data.code;
+  }, []);
+
   // 创建房间（只建立连接，等待对方加入）
   const createRoom = useCallback(async (): Promise<string> => {
     try {
       updateState({ error: null, isWaitingForPeer: false });
 
-      // 生成房间代码
-      const roomCode = generateRoomCode();
+      // 从后端获取房间代码
+      const roomCode = await createRoomFromBackend();
       console.log('[DesktopShare] 🚀 创建桌面共享房间，代码:', roomCode);
 
       // 建立WebRTC连接（作为发送方）
@@ -199,7 +208,7 @@ export function useDesktopShareBusiness() {
       updateState({ error: errorMessage, connectionCode: '', isWaitingForPeer: false });
       throw error;
     }
-  }, [webRTC, generateRoomCode, updateState]);
+  }, [webRTC, createRoomFromBackend, updateState]);
 
   // 开始桌面共享（在接收方加入后）
   const startSharing = useCallback(async (): Promise<void> => {

chuan-next/src/hooks/file-transfer/index.ts

@@ -0,0 +1,4 @@
+// 文件传输相关的hooks
+export { useFileTransferBusiness } from './useFileTransferBusiness';
+export { useFileStateManager } from './useFileStateManager';
+export { useFileListSync } from './useFileListSync';

chuan-next/src/hooks/file-transfer/useFileListSync.ts

@@ -0,0 +1,65 @@
+import { useRef, useCallback, useEffect } from 'react';
+
+interface FileInfo {
+  id: string;
+  name: string;
+  size: number;
+  type: string;
+  status: 'ready' | 'downloading' | 'completed';
+  progress: number;
+}
+
+interface UseFileListSyncProps {
+  sendFileList: (fileInfos: FileInfo[]) => void;
+  mode: 'send' | 'receive';
+  pickupCode: string;
+  isConnected: boolean;
+  isPeerConnected: boolean;
+  getChannelState: () => string;
+}
+
+export const useFileListSync = ({
+  sendFileList,
+  mode,
+  pickupCode,
+  isConnected,
+  isPeerConnected,
+  getChannelState
+}: UseFileListSyncProps) => {
+  const syncTimeoutRef = useRef<NodeJS.Timeout | null>(null);
+
+  // 统一的文件列表同步函数，带防抖功能
+  const syncFileListToReceiver = useCallback((fileInfos: FileInfo[], reason: string) => {
+    // 只有在发送模式、连接已建立且有房间时才发送文件列表
+    if (mode !== 'send' || !pickupCode || !isConnected || !isPeerConnected) {
+      console.log('跳过文件列表同步:', { mode, pickupCode: !!pickupCode, isConnected, isPeerConnected });
+      return;
+    }
+
+    // 清除之前的延时发送
+    if (syncTimeoutRef.current) {
+      clearTimeout(syncTimeoutRef.current);
+    }
+
+    // 延时发送，避免频繁发送
+    syncTimeoutRef.current = setTimeout(() => {
+      if (isPeerConnected && getChannelState() === 'open') {
+        console.log(`发送文件列表到接收方 (${reason}):`, fileInfos.map(f => f.name));
+        sendFileList(fileInfos);
+      }
+    }, 150);
+  }, [mode, pickupCode, isConnected, isPeerConnected, getChannelState, sendFileList]);
+
+  // 清理防抖定时器
+  useEffect(() => {
+    return () => {
+      if (syncTimeoutRef.current) {
+        clearTimeout(syncTimeoutRef.current);
+      }
+    };
+  }, []);
+
+  return {
+    syncFileListToReceiver
+  };
+};

chuan-next/src/hooks/file-transfer/useFileStateManager.ts

@@ -0,0 +1,166 @@
+import { useState, useCallback, useEffect } from 'react';
+
+interface FileInfo {
+  id: string;
+  name: string;
+  size: number;
+  type: string;
+  status: 'ready' | 'downloading' | 'completed';
+  progress: number;
+}
+
+interface UseFileStateManagerProps {
+  mode: 'send' | 'receive';
+  pickupCode: string;
+  syncFileListToReceiver: (fileInfos: FileInfo[], reason: string) => void;
+  isPeerConnected: boolean;
+}
+
+export const useFileStateManager = ({
+  mode,
+  pickupCode,
+  syncFileListToReceiver,
+  isPeerConnected
+}: UseFileStateManagerProps) => {
+  const [selectedFiles, setSelectedFiles] = useState<File[]>([]);
+  const [fileList, setFileList] = useState<FileInfo[]>([]);
+  const [downloadedFiles, setDownloadedFiles] = useState<Map<string, File>>(new Map());
+
+  // 生成文件ID
+  const generateFileId = useCallback(() => {
+    return Date.now().toString(36) + Math.random().toString(36).substr(2);
+  }, []);
+
+  // 文件选择处理
+  const handleFileSelect = useCallback((files: File[]) => {
+    console.log('=== 文件选择 ===');
+    console.log('新文件:', files.map(f => f.name));
+    
+    // 更新选中的文件
+    setSelectedFiles(prev => [...prev, ...files]);
+    
+    // 创建对应的文件信息
+    const newFileInfos: FileInfo[] = files.map(file => ({
+      id: generateFileId(),
+      name: file.name,
+      size: file.size,
+      type: file.type,
+      status: 'ready',
+      progress: 0
+    }));
+    
+    setFileList(prev => {
+      const updatedList = [...prev, ...newFileInfos];
+      console.log('更新后的文件列表:', updatedList);
+      return updatedList;
+    });
+  }, [generateFileId]);
+
+  // 清空文件
+  const clearFiles = useCallback(() => {
+    console.log('=== 清空文件 ===');
+    setSelectedFiles([]);
+    setFileList([]);
+  }, []);
+
+  // 重置状态
+  const resetFiles = useCallback(() => {
+    console.log('=== 重置文件状态 ===');
+    setSelectedFiles([]);
+    setFileList([]);
+    setDownloadedFiles(new Map());
+  }, []);
+
+  // 更新文件状态
+  const updateFileStatus = useCallback((fileId: string, status: FileInfo['status'], progress?: number) => {
+    setFileList(prev => prev.map(item => 
+      item.id === fileId 
+        ? { ...item, status, progress: progress ?? item.progress }
+        : item
+    ));
+  }, []);
+
+  // 更新文件进度
+  const updateFileProgress = useCallback((fileId: string, fileName: string, progress: number) => {
+    const newStatus = progress >= 100 ? 'completed' as const : 'downloading' as const;
+    setFileList(prev => prev.map(item => {
+      if (item.id === fileId || item.name === fileName) {
+        console.log(`更新文件 ${item.name} 进度: ${item.progress} -> ${progress}`);
+        return { ...item, progress, status: newStatus };
+      }
+      return item;
+    }));
+  }, []);
+
+  // 数据通道第一次打开时初始化
+  useEffect(() => {
+    if (isPeerConnected && mode === 'send' && fileList.length > 0) {
+      console.log('P2P连接已建立，数据通道首次打开，初始化文件列表');
+      syncFileListToReceiver(fileList, '数据通道初始化');
+    }
+  }, [isPeerConnected, mode, syncFileListToReceiver]);
+
+  // 监听fileList大小变化并同步
+  useEffect(() => {
+    if (isPeerConnected && mode === 'send' && pickupCode) {
+      console.log('fileList大小变化，同步到接收方:', fileList.length);
+      syncFileListToReceiver(fileList, 'fileList大小变化');
+    }
+  }, [fileList.length, isPeerConnected, mode, pickupCode, syncFileListToReceiver]);
+
+  // 监听selectedFiles变化，同步更新fileList
+  useEffect(() => {
+    // 只有在发送模式下且已有房间时才处理文件列表同步
+    if (mode !== 'send' || !pickupCode) return;
+
+    console.log('=== selectedFiles变化，同步文件列表 ===', {
+      selectedFilesCount: selectedFiles.length,
+      fileListCount: fileList.length,
+      selectedFileNames: selectedFiles.map(f => f.name)
+    });
+
+    // 根据selectedFiles创建新的文件信息列表
+    const newFileInfos: FileInfo[] = selectedFiles.map(file => {
+      // 尝试找到现有的文件信息，保持已有的状态
+      const existingFileInfo = fileList.find(info => info.name === file.name && info.size === file.size);
+      return existingFileInfo || {
+        id: generateFileId(),
+        name: file.name,
+        size: file.size,
+        type: file.type,
+        status: 'ready' as const,
+        progress: 0
+      };
+    });
+
+    // 检查文件列表是否真正发生变化
+    const fileListChanged = 
+      newFileInfos.length !== fileList.length ||
+      newFileInfos.some(newFile => 
+        !fileList.find(oldFile => oldFile.name === newFile.name && oldFile.size === newFile.size)
+      );
+
+    if (fileListChanged) {
+      console.log('文件列表发生变化，更新:', {
+        before: fileList.map(f => f.name),
+        after: newFileInfos.map(f => f.name)
+      });
+      
+      setFileList(newFileInfos);
+    }
+  }, [selectedFiles, mode, pickupCode, fileList, generateFileId]);
+
+  return {
+    selectedFiles,
+    setSelectedFiles,
+    fileList,
+    setFileList,
+    downloadedFiles,
+    setDownloadedFiles,
+    handleFileSelect,
+    clearFiles,
+    resetFiles,
+    updateFileStatus,
+    updateFileProgress
+  };
+};

chuan-next/src/hooks/file-transfer/useFileTransferBusiness.ts

@@ -1,5 +1,5 @@
 import { useState, useCallback, useRef, useEffect } from 'react';
-import type { WebRTCConnection } from './useSharedWebRTCManager';
+import type { WebRTCConnection } from '../connection/useSharedWebRTCManager';
 
 // 文件传输状态
 interface FileTransferState {
@@ -17,7 +17,6 @@ interface FileTransferState {
 interface FileReceiveProgress {
   fileId: string;
   fileName: string;
-  receivedChunks: number;
   totalChunks: number;
   progress: number;
 }
@@ -87,14 +86,14 @@ const ACK_TIMEOUT = 5000; // 确认超时（毫秒）
 function calculateChecksum(data: ArrayBuffer): string {
   const buffer = new Uint8Array(data);
   let crc = 0xFFFFFFFF;
-  
+
   for (let i = 0; i < buffer.length; i++) {
     crc ^= buffer[i];
     for (let j = 0; j < 8; j++) {
       crc = crc & 1 ? (crc >>> 1) ^ 0xEDB88320 : crc >>> 1;
     }
   }
-  
+
   return (crc ^ 0xFFFFFFFF).toString(16).padStart(8, '0');
 }
 
@@ -104,11 +103,11 @@ function calculateChecksum(data: ArrayBuffer): string {
 function simpleChecksum(data: ArrayBuffer): string {
   const buffer = new Uint8Array(data);
   let sum = 0;
-  
+
   for (let i = 0; i < Math.min(buffer.length, 1000); i++) {
     sum += buffer[i];
   }
-  
+
   return sum.toString(16);
 }
 
@@ -161,12 +160,12 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
   // 消息处理器
   const handleMessage = useCallback((message: any) => {
     if (!message.type.startsWith('file-')) return;
-    
-    console.log('文件传输收到消息:', message.type, message);    switch (message.type) {
+
+    console.log('文件传输收到消息:', message.type, message); switch (message.type) {
       case 'file-metadata':
         const metadata: FileMetadata = message.payload;
         console.log('开始接收文件:', metadata.name);
-        
+
         receivingFiles.current.set(metadata.id, {
           metadata,
           chunks: [],
@@ -178,11 +177,10 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
         receiveProgress.current.set(metadata.id, {
           fileId: metadata.id,
           fileName: metadata.name,
-          receivedChunks: 0,
           totalChunks,
           progress: 0
         });
-        
+
         // 设置当前活跃的接收文件
         activeReceiveFile.current = metadata.id;
         updateState({ isTransferring: true, progress: 0 });
@@ -196,16 +194,16 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
       case 'file-complete':
         const { fileId } = message.payload;
         const fileInfo = receivingFiles.current.get(fileId);
-        
+
         if (fileInfo) {
           // 组装文件
           const blob = new Blob(fileInfo.chunks, { type: fileInfo.metadata.type });
-          const file = new File([blob], fileInfo.metadata.name, { 
-            type: fileInfo.metadata.type 
+          const file = new File([blob], fileInfo.metadata.name, {
+            type: fileInfo.metadata.type
           });
-          
+
           console.log('文件接收完成:', file.name);
-          
+
           setState(prev => ({
             ...prev,
             receivedFiles: [...prev.receivedFiles, { id: fileId, file }],
@@ -216,7 +214,7 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
           fileReceivedCallbacks.current.forEach(cb => cb({ id: fileId, file }));
           receivingFiles.current.delete(fileId);
           receiveProgress.current.delete(fileId);
-          
+
           // 清除活跃文件
           if (activeReceiveFile.current === fileId) {
             activeReceiveFile.current = null;
@@ -238,7 +236,7 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
       case 'file-chunk-ack':
         const ack: ChunkAck = message.payload;
         console.log('收到块确认:', ack);
-        
+
         // 清除超时定时器
         const chunkKey = `${ack.fileId}-${ack.chunkIndex}`;
         const timeout = pendingChunks.current.get(chunkKey);
@@ -277,15 +275,15 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
 
     const { fileId, chunkIndex, totalChunks, checksum: expectedChecksum } = expectedChunk.current;
     const fileInfo = receivingFiles.current.get(fileId);
-    
+
     if (fileInfo) {
       // 验证数据完整性
       const actualChecksum = calculateChecksum(data);
       const isValid = !expectedChecksum || actualChecksum === expectedChecksum;
-      
+
       if (!isValid) {
         console.warn(`文件块校验失败: 期望 ${expectedChecksum}, 实际 ${actualChecksum}`);
-        
+
         // 发送失败确认
         connection.sendMessage({
           type: 'file-chunk-ack',
@@ -296,27 +294,33 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
             checksum: actualChecksum
           }
         }, CHANNEL_NAME);
-        
+
         expectedChunk.current = null;
         return;
       }
 
+      // 检查是否已经接收过这个块，避免重复计数
+      const alreadyReceived = fileInfo.chunks[chunkIndex] !== undefined;
+      
       // 数据有效，保存到缓存
       fileInfo.chunks[chunkIndex] = data;
-      fileInfo.receivedChunks++;
+      
+      // 只有在首次接收时才增加计数
+      if (!alreadyReceived) {
+        fileInfo.receivedChunks++;
+      }
 
-      // 更新接收进度跟踪
+      // 更新接收进度跟踪 - 使用 fileInfo 的计数，避免双重计数
       const progressInfo = receiveProgress.current.get(fileId);
       if (progressInfo) {
-        progressInfo.receivedChunks++;
-        progressInfo.progress = progressInfo.totalChunks > 0 ? 
-          (progressInfo.receivedChunks / progressInfo.totalChunks) * 100 : 0;
-        
+        progressInfo.progress = progressInfo.totalChunks > 0 ?
+          (fileInfo.receivedChunks / progressInfo.totalChunks) * 100 : 0;
+
         // 只有当这个文件是当前活跃文件时才更新全局进度
         if (activeReceiveFile.current === fileId) {
           updateState({ progress: progressInfo.progress });
         }
-        
+
         // 触发进度回调
         fileProgressCallbacks.current.forEach(cb => cb({
           fileId: fileId,
@@ -326,7 +330,7 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
 
         console.log(`文件 ${progressInfo.fileName} 接收进度: ${progressInfo.progress.toFixed(1)}%`);
       }
-      
+
       // 发送成功确认
       connection.sendMessage({
         type: 'file-chunk-ack',
@@ -337,22 +341,26 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
           checksum: actualChecksum
         }
       }, CHANNEL_NAME);
-      
+
       expectedChunk.current = null;
     }
   }, [updateState, connection]);
 
-  // 设置处理器 - 使用稳定的引用避免反复注册
+  const connectionRef = useRef(connection);
+  useEffect(() => {
+    connectionRef.current = connection;
+  }, [connection]);
+
   useEffect(() => {
     // 使用共享连接的注册方式
-    const unregisterMessage = connection.registerMessageHandler(CHANNEL_NAME, handleMessage);
-    const unregisterData = connection.registerDataHandler(CHANNEL_NAME, handleData);
+    const unregisterMessage = connectionRef.current.registerMessageHandler(CHANNEL_NAME, handleMessage);
+    const unregisterData = connectionRef.current.registerDataHandler(CHANNEL_NAME, handleData);
 
     return () => {
       unregisterMessage();
       unregisterData();
     };
-  }, [connection]); // 只依赖 connection 对象，不依赖处理函数
+  }, []); // 只依赖 connection 对象，不依赖处理函数
 
   // 监听连接状态变化 (直接使用 connection 的状态)
   useEffect(() => {
@@ -379,8 +387,21 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
     retryCount = 0
   ): Promise<boolean> => {
     return new Promise((resolve) => {
+      // 主要检查数据通道状态，因为数据通道是文件传输的实际通道
+      const channelState = connection.getChannelState();
+      if (channelState === 'closed') {
+        console.warn(`数据通道已关闭，停止发送文件块 ${chunkIndex}`);
+        resolve(false);
+        return;
+      }
+
+      // 如果连接暂时断开但数据通道可用，仍然可以尝试发送
+      if (!connection.isConnected && channelState === 'connecting') {
+        console.warn(`WebRTC 连接暂时断开，但数据通道正在连接，继续尝试发送文件块 ${chunkIndex}`);
+      }
+
       const chunkKey = `${fileId}-${chunkIndex}`;
-      
+
       // 设置确认回调
       const ackCallback = (ack: ChunkAck) => {
         if (ack.success) {
@@ -468,6 +489,18 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
         let retryCount = 0;
 
         while (!success && retryCount <= MAX_RETRIES) {
+          // 检查数据通道状态，这是文件传输的实际通道
+          const channelState = connection.getChannelState();
+          if (channelState === 'closed') {
+            console.warn(`数据通道已关闭，停止文件传输`);
+            throw new Error('数据通道已关闭');
+          }
+
+          // 如果连接暂时断开但数据通道可用，仍然可以尝试发送
+          if (!connection.isConnected && channelState === 'connecting') {
+            console.warn(`WebRTC 连接暂时断开，但数据通道正在连接，继续尝试发送文件块 ${chunkIndex}`);
+          }
+
           const start = chunkIndex * CHUNK_SIZE;
           const end = Math.min(start + CHUNK_SIZE, file.size);
           const chunk = file.slice(start, end);
@@ -483,7 +516,7 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
             status.sentChunks.add(chunkIndex);
             status.acknowledgedChunks.add(chunkIndex);
             status.failedChunks.delete(chunkIndex);
-            
+
             // 计算传输速度
             const now = Date.now();
             const timeDiff = (now - status.lastChunkTime) / 1000; // 秒
@@ -495,12 +528,12 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
           } else {
             retryCount++;
             status.retryCount.set(chunkIndex, retryCount);
-            
+
             if (retryCount > MAX_RETRIES) {
               status.failedChunks.add(chunkIndex);
               throw new Error(`文件块 ${chunkIndex} 发送失败，超过最大重试次数`);
             }
-            
+
             // 指数退避
             const delay = Math.min(RETRY_DELAY * Math.pow(2, retryCount - 1), 10000);
             console.log(`等待 ${delay}ms 后重试文件块 ${chunkIndex}`);
@@ -508,10 +541,10 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
           }
         }
 
-        // 更新进度
-        const progress = (status.acknowledgedChunks.size / totalChunks) * 100;
+        // 更新进度 - 基于已发送的块数，这样与接收方的进度更同步
+        const progress = ((chunkIndex + 1) / totalChunks) * 100;
         updateState({ progress });
-        
+
         fileProgressCallbacks.current.forEach(cb => cb({
           fileId: actualFileId,
           fileName: file.name,
@@ -524,7 +557,7 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
           const expectedTime = (chunkSize / 1024) / status.averageSpeed;
           const actualTime = Date.now() - status.lastChunkTime;
           const delay = Math.max(0, expectedTime - actualTime);
-          
+
           if (delay > 10) {
             await new Promise(resolve => setTimeout(resolve, Math.min(delay, 100)));
           }
@@ -548,9 +581,9 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
 
     } catch (error) {
       console.error('安全发送文件失败:', error);
-      updateState({ 
+      updateState({
         error: error instanceof Error ? error.message : '发送失败',
-        isTransferring: false 
+        isTransferring: false
       });
       transferStatus.current.delete(actualFileId);
     }
@@ -567,17 +600,17 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
     // 检查连接状态 - 优先检查数据通道状态，因为 P2P 连接可能已经建立但状态未及时更新
     const channelState = connection.getChannelState();
     const peerConnected = connection.isPeerConnected;
-    
+
     console.log('发送文件列表检查:', {
       channelState,
       peerConnected,
       fileListLength: fileList.length
     });
-    
+
     // 如果数据通道已打开或者 P2P 已连接，就可以发送文件列表
     if (channelState === 'open' || peerConnected) {
       console.log('发送文件列表:', fileList);
-      
+
       connection.sendMessage({
         type: 'file-list',
         payload: fileList
@@ -595,7 +628,7 @@ export function useFileTransferBusiness(connection: WebRTCConnection) {
     }
 
     console.log('请求文件:', fileName, fileId);
-    
+
     connection.sendMessage({
       type: 'file-request',
       payload: { fileId, fileName }

chuan-next/src/hooks/index.ts

@@ -0,0 +1,19 @@
+// 按功能分类的hooks导出
+
+// 连接相关
+export * from './connection';
+
+// 文件传输相关
+export * from './file-transfer';
+
+// 桌面共享相关
+export * from './desktop-share';
+
+// 文本传输相关
+export * from './text-transfer';
+
+// UI状态管理相关
+export * from './ui';
+
+// 核心WebRTC功能
+export * from './webrtc';

chuan-next/src/hooks/text-transfer/index.ts

@@ -0,0 +1,2 @@
+// 文本传输相关的hooks
+export { useTextTransferBusiness } from './useTextTransferBusiness';

chuan-next/src/hooks/text-transfer/useTextTransferBusiness.ts

@@ -1,5 +1,5 @@
 import { useState, useCallback, useRef, useEffect } from 'react';
-import type { WebRTCConnection } from './useSharedWebRTCManager';
+import type { WebRTCConnection } from '../connection/useSharedWebRTCManager';
 
 // 文本传输状态
 interface TextTransferState {

chuan-next/src/hooks/ui/index.ts

@@ -0,0 +1,5 @@
+// UI状态管理相关的hooks
+export { useURLHandler } from './useURLHandler';
+export { useWebRTCStore } from './webRTCStore';
+export { useTabNavigation } from './useTabNavigation';
+export type { TabType } from './useTabNavigation';

chuan-next/src/hooks/ui/useConfirmDialog.ts

@@ -0,0 +1,52 @@
+import { useState, useCallback } from 'react';
+
+export interface ConfirmDialogOptions {
+  title: string;
+  message: string;
+  confirmText?: string;
+  cancelText?: string;
+  type?: 'warning' | 'danger' | 'info';
+}
+
+export interface ConfirmDialogState extends ConfirmDialogOptions {
+  isOpen: boolean;
+  onConfirm: () => void;
+  onCancel: () => void;
+}
+
+export const useConfirmDialog = () => {
+  const [dialogState, setDialogState] = useState<ConfirmDialogState | null>(null);
+
+  const showConfirmDialog = useCallback((options: ConfirmDialogOptions): Promise<boolean> => {
+    return new Promise((resolve) => {
+      const handleConfirm = () => {
+        setDialogState(null);
+        resolve(true);
+      };
+
+      const handleCancel = () => {
+        setDialogState(null);
+        resolve(false);
+      };
+
+      setDialogState({
+        ...options,
+        isOpen: true,
+        onConfirm: handleConfirm,
+        onCancel: handleCancel,
+      });
+    });
+  }, []);
+
+  const closeDialog = useCallback(() => {
+    if (dialogState) {
+      dialogState.onCancel();
+    }
+  }, [dialogState]);
+
+  return {
+    dialogState,
+    showConfirmDialog,
+    closeDialog,
+  };
+};

chuan-next/src/hooks/ui/useTabNavigation.ts

@@ -0,0 +1,171 @@
+import { useState, useEffect, useCallback } from 'react';
+import { useSearchParams } from 'next/navigation';
+import { useURLHandler, FeatureType } from './useURLHandler';
+import { useWebRTCStore } from './webRTCStore';
+import { useConfirmDialog } from './useConfirmDialog';
+
+// Tab类型定义（包括非WebRTC功能）
+export type TabType = 'webrtc' | 'message' | 'desktop' | 'wechat';
+
+// Tab显示名称
+const TAB_NAMES: Record<TabType, string> = {
+  webrtc: '文件传输',
+  message: '文字传输',
+  desktop: '桌面共享',
+  wechat: '微信群'
+};
+
+// WebRTC功能的映射
+const WEBRTC_FEATURES: Record<string, FeatureType> = {
+  webrtc: 'webrtc',
+  message: 'message',
+  desktop: 'desktop'
+};
+
+export const useTabNavigation = () => {
+  const searchParams = useSearchParams();
+  const [activeTab, setActiveTab] = useState<TabType>('webrtc');
+  const [hasInitialized, setHasInitialized] = useState(false);
+  const { showConfirmDialog, dialogState, closeDialog } = useConfirmDialog();
+  
+  // 获取WebRTC全局状态
+  const { 
+    isConnected, 
+    isConnecting, 
+    isPeerConnected,
+    currentRoom,
+    reset: resetWebRTCState 
+  } = useWebRTCStore();
+
+  // 创建一个通用的URL处理器（用于断开连接）
+  const { hasActiveConnection } = useURLHandler({
+    featureType: 'webrtc', // 默认值，实际使用时会被覆盖
+    onModeChange: () => {},
+  });
+
+  // 根据URL参数设置初始标签（仅首次加载时）
+  useEffect(() => {
+    if (!hasInitialized) {
+      const urlType = searchParams.get('type');
+      
+      console.log('=== HomePage URL处理 ===');
+      console.log('URL type参数:', urlType);
+      console.log('所有搜索参数:', Object.fromEntries(searchParams.entries()));
+      
+      // 将旧的text类型重定向到message
+      if (urlType === 'text') {
+        console.log('检测到text类型，重定向到message标签页');
+        setActiveTab('message');
+      } else if (urlType === 'webrtc') {
+        console.log('检测到webrtc类型，切换到webrtc标签页（文件传输）');
+        setActiveTab('webrtc');
+      } else if (urlType && ['message', 'desktop'].includes(urlType)) {
+        console.log('切换到对应标签页:', urlType);
+        setActiveTab(urlType as TabType);
+      } else {
+        console.log('没有有效的type参数，使用默认标签页：webrtc（文件传输）');
+        // 保持默认的webrtc标签
+      }
+      
+      setHasInitialized(true);
+    }
+  }, [searchParams, hasInitialized]);
+
+  // 处理tab切换
+  const handleTabChange = useCallback(async (newTab: TabType) => {
+    console.log('=== Tab切换 ===');
+    console.log('当前tab:', activeTab, '目标tab:', newTab);
+    
+    // 如果切换到wechat tab（非WebRTC功能），可以直接切换
+    if (newTab === 'wechat') {
+      // 如果有活跃连接，需要确认
+      if (hasActiveConnection()) {
+        const currentTabName = TAB_NAMES[activeTab];
+        const confirmed = await showConfirmDialog({
+          title: '切换功能确认',
+          message: `切换到微信群功能需要关闭当前的${currentTabName}连接，是否继续？`,
+          confirmText: '确认切换',
+          cancelText: '取消',
+          type: 'warning'
+        });
+        
+        if (!confirmed) {
+          return false;
+        }
+        
+        // 断开连接并清除状态
+        resetWebRTCState();
+        console.log('已清除WebRTC连接状态，切换到微信群');
+      }
+      
+      setActiveTab(newTab);
+      // 清除URL参数
+      const newUrl = new URL(window.location.href);
+      newUrl.search = '';
+      window.history.pushState({}, '', newUrl.toString());
+      return true;
+    }
+
+    // 如果有活跃连接且切换到不同的WebRTC功能，需要确认
+    if (hasActiveConnection() && newTab !== activeTab && WEBRTC_FEATURES[newTab]) {
+      const currentTabName = TAB_NAMES[activeTab];
+      const targetTabName = TAB_NAMES[newTab];
+      
+      const confirmed = await showConfirmDialog({
+        title: '切换功能确认',
+        message: `切换到${targetTabName}功能需要关闭当前的${currentTabName}连接，是否继续？`,
+        confirmText: '确认切换',
+        cancelText: '取消',
+        type: 'warning'
+      });
+      
+      if (!confirmed) {
+        return false;
+      }
+
+      // 用户确认后，重置WebRTC状态
+      resetWebRTCState();
+      console.log(`已断开${currentTabName}连接，切换到${targetTabName}`);
+    }
+
+    // 执行tab切换
+    setActiveTab(newTab);
+    
+    // 更新URL（对于WebRTC功能）
+    if (WEBRTC_FEATURES[newTab]) {
+      const params = new URLSearchParams();
+      params.set('type', WEBRTC_FEATURES[newTab]);
+      params.set('mode', 'send'); // 默认模式
+      const newUrl = `?${params.toString()}`;
+      window.history.pushState({}, '', newUrl);
+    } else {
+      // 非WebRTC功能，清除URL参数
+      const newUrl = new URL(window.location.href);
+      newUrl.search = '';
+      window.history.pushState({}, '', newUrl.toString());
+    }
+    
+    return true;
+  }, [activeTab, hasActiveConnection, resetWebRTCState]);
+
+  // 获取连接状态信息
+  const getConnectionInfo = useCallback(() => {
+    return {
+      hasConnection: hasActiveConnection(),
+      currentRoom: currentRoom,
+      isConnected,
+      isConnecting,
+      isPeerConnected
+    };
+  }, [hasActiveConnection, currentRoom, isConnected, isConnecting, isPeerConnected]);
+
+  return {
+    activeTab,
+    handleTabChange,
+    getConnectionInfo,
+    hasInitialized,
+    // 导出确认对话框状态
+    confirmDialogState: dialogState,
+    closeConfirmDialog: closeDialog
+  };
+};

chuan-next/src/hooks/ui/useURLHandler.ts

@@ -0,0 +1,210 @@
+import { useState, useEffect, useRef, useCallback } from 'react';
+import { useSearchParams, useRouter } from 'next/navigation';
+import { useToast } from '@/components/ui/toast-simple';
+import { useWebRTCStore } from './webRTCStore';
+import { useConfirmDialog } from './useConfirmDialog';
+
+// 支持的功能类型
+export type FeatureType = 'webrtc' | 'message' | 'desktop';
+
+// 功能类型的显示名称
+const FEATURE_NAMES: Record<FeatureType, string> = {
+  webrtc: '文件传输',
+  message: '文字传输',
+  desktop: '桌面共享'
+};
+
+interface UseURLHandlerProps<T = string> {
+  featureType: FeatureType;
+  onModeChange: (mode: T) => void;
+  onAutoJoinRoom?: (code: string) => void;
+  onDisconnect?: () => void; // 新增：断开连接的回调
+  modeConverter?: {
+    // 将URL模式转换为组件内部模式
+    fromURL: (urlMode: 'send' | 'receive') => T;
+    // 将组件内部模式转换为URL模式  
+    toURL: (componentMode: T) => 'send' | 'receive';
+  };
+}
+
+export const useURLHandler = <T = 'send' | 'receive'>({ 
+  featureType, 
+  onModeChange, 
+  onAutoJoinRoom,
+  onDisconnect,
+  modeConverter
+}: UseURLHandlerProps<T>) => {
+  const searchParams = useSearchParams();
+  const router = useRouter();
+  const { showToast } = useToast();
+  const { showConfirmDialog, dialogState, closeDialog } = useConfirmDialog();
+  const [hasProcessedInitialUrl, setHasProcessedInitialUrl] = useState(false);
+  const urlProcessedRef = useRef(false);
+  
+  // 获取WebRTC全局状态
+  const { 
+    isConnected, 
+    isConnecting, 
+    isPeerConnected,
+    currentRoom,
+    reset: resetWebRTCState 
+  } = useWebRTCStore();
+
+  // 检查是否有活跃连接
+  const hasActiveConnection = useCallback(() => {
+    return isConnected || isConnecting || isPeerConnected;
+  }, [isConnected, isConnecting, isPeerConnected]);
+
+  // 功能切换确认
+  const switchToFeature = useCallback(async (targetFeatureType: FeatureType, mode?: 'send' | 'receive', code?: string) => {
+    // 如果是同一个功能，直接切换
+    if (targetFeatureType === featureType) {
+      if (mode) {
+        const params = new URLSearchParams(searchParams.toString());
+        params.set('type', targetFeatureType);
+        params.set('mode', mode);
+        if (code) {
+          params.set('code', code);
+        } else if (mode === 'send') {
+          params.delete('code');
+        }
+        router.push(`?${params.toString()}`, { scroll: false });
+      }
+      return true;
+    }
+
+    // 如果有活跃连接，需要确认
+    if (hasActiveConnection()) {
+      const currentFeatureName = FEATURE_NAMES[featureType];
+      const targetFeatureName = FEATURE_NAMES[targetFeatureType];
+      
+      const confirmed = await showConfirmDialog({
+        title: '切换功能确认',
+        message: `切换到${targetFeatureName}功能需要关闭当前的${currentFeatureName}连接，是否继续？`,
+        confirmText: '确认切换',
+        cancelText: '取消',
+        type: 'warning'
+      });
+      
+      if (!confirmed) {
+        return false;
+      }
+
+      // 用户确认后，断开当前连接
+      try {
+        if (onDisconnect) {
+          await onDisconnect();
+        }
+        resetWebRTCState();
+        showToast(`已断开${currentFeatureName}连接`, 'info');
+      } catch (error) {
+        console.error('断开连接时出错:', error);
+        showToast('断开连接时出错，但将继续切换功能', 'error');
+      }
+    }
+
+    // 切换到新功能
+    const params = new URLSearchParams();
+    params.set('type', targetFeatureType);
+    if (mode) {
+      params.set('mode', mode);
+    }
+    if (code) {
+      params.set('code', code);
+    }
+    
+    router.push(`?${params.toString()}`, { scroll: false });
+    return true;
+  }, [featureType, hasActiveConnection, onDisconnect, resetWebRTCState, showToast, router, searchParams, showConfirmDialog]);
+
+  // 从URL参数中获取初始模式（仅在首次加载时处理）
+  useEffect(() => {
+    // 使用 ref 确保只处理一次，避免严格模式的重复调用
+    if (urlProcessedRef.current) {
+      console.log('URL已处理过，跳过重复处理');
+      return;
+    }
+
+    const urlMode = searchParams.get('mode') as 'send' | 'receive';
+    const type = searchParams.get('type') as FeatureType;
+    const code = searchParams.get('code');
+    
+    // 只在首次加载且URL中有对应功能类型时处理
+    if (!hasProcessedInitialUrl && type === featureType && urlMode && ['send', 'receive'].includes(urlMode)) {
+      console.log(`=== 处理初始URL参数 [${featureType}] ===`);
+      console.log('URL模式:', urlMode, '类型:', type, '取件码:', code);
+      
+      // 立即标记为已处理，防止重复
+      urlProcessedRef.current = true;
+      
+      // 转换模式（如果有转换器的话）
+      const componentMode = modeConverter ? modeConverter.fromURL(urlMode) : urlMode as T;
+      onModeChange(componentMode);
+      setHasProcessedInitialUrl(true);
+      
+      // 自动加入房间（只在receive模式且有code时）
+      if (code && urlMode === 'receive' && onAutoJoinRoom) {
+        console.log('URL中有取件码，自动加入房间');
+        onAutoJoinRoom(code);
+      }
+    }
+  }, [searchParams, hasProcessedInitialUrl, featureType, onModeChange, onAutoJoinRoom, modeConverter]);
+
+  // 更新URL参数
+  const updateMode = useCallback((newMode: T) => {
+    console.log(`=== 手动切换模式 [${featureType}] ===`);
+    console.log('新模式:', newMode);
+    
+    onModeChange(newMode);
+    
+    const params = new URLSearchParams(searchParams.toString());
+    params.set('type', featureType);
+    
+    // 转换模式（如果有转换器的话）
+    const urlMode = modeConverter ? modeConverter.toURL(newMode) : newMode as string;
+    params.set('mode', urlMode);
+    
+    // 如果切换到发送模式，移除code参数
+    if (urlMode === 'send') {
+      params.delete('code');
+    }
+    
+    router.push(`?${params.toString()}`, { scroll: false });
+  }, [searchParams, router, featureType, onModeChange, modeConverter]);
+
+  // 更新URL中的房间代码
+  const updateRoomCode = useCallback((code: string) => {
+    const params = new URLSearchParams(searchParams.toString());
+    params.set('type', featureType);
+    params.set('code', code);
+    router.push(`?${params.toString()}`, { scroll: false });
+  }, [searchParams, router, featureType]);
+
+  // 获取当前URL中的房间代码
+  const getCurrentRoomCode = useCallback(() => {
+    return searchParams.get('code') || '';
+  }, [searchParams]);
+
+  // 清除URL参数
+  const clearURLParams = useCallback(() => {
+    const params = new URLSearchParams(searchParams.toString());
+    params.delete('type');
+    params.delete('mode');
+    params.delete('code');
+    
+    const newURL = params.toString() ? `?${params.toString()}` : '/';
+    router.push(newURL, { scroll: false });
+  }, [searchParams, router]);
+
+  return {
+    updateMode,
+    updateRoomCode,
+    getCurrentRoomCode,
+    clearURLParams,
+    switchToFeature,
+    hasActiveConnection,
+    // 导出对话框状态供组件使用
+    confirmDialogState: dialogState,
+    closeConfirmDialog: closeDialog
+  };
+};

chuan-next/src/hooks/ui/webRTCStore.ts

@@ -6,6 +6,7 @@ interface WebRTCState {
   isWebSocketConnected: boolean;
   isPeerConnected: boolean;
   error: string | null;
+  canRetry: boolean;  // 新增：是否可以重试
   currentRoom: { code: string; role: 'sender' | 'receiver' } | null;
 }
 
@@ -13,6 +14,7 @@ interface WebRTCStore extends WebRTCState {
   updateState: (updates: Partial<WebRTCState>) => void;
   setCurrentRoom: (room: { code: string; role: 'sender' | 'receiver' } | null) => void;
   reset: () => void;
+  resetToInitial: () => void;  // 新增：完全重置到初始状态
 }
 
 const initialState: WebRTCState = {
@@ -21,6 +23,7 @@ const initialState: WebRTCState = {
   isWebSocketConnected: false,
   isPeerConnected: false,
   error: null,
+  canRetry: false,  // 初始状态下不需要重试
   currentRoom: null,
 };
 
@@ -38,4 +41,6 @@ export const useWebRTCStore = create<WebRTCStore>((set) => ({
   })),
   
   reset: () => set(initialState),
+  
+  resetToInitial: () => set(initialState),  // 完全重置到初始状态
 }));

chuan-next/src/hooks/webrtc/DataChannelManager.ts

@@ -0,0 +1,227 @@
+import { EventEmitter } from 'events';
+import { WebRTCError, WebRTCMessage, ConnectionEvent, EventHandler, MessageHandler, DataHandler } from './types';
+
+interface DataChannelManagerConfig {
+  channelName: string;
+  onMessage?: MessageHandler;
+  onData?: DataHandler;
+  ordered?: boolean;
+  maxRetransmits?: number;
+}
+
+export class DataChannelManager extends EventEmitter {
+  private dataChannel: RTCDataChannel | null = null;
+  private config: DataChannelManagerConfig;
+  private messageQueue: WebRTCMessage[] = [];
+  private dataQueue: ArrayBuffer[] = [];
+  private isReady = false;
+
+  constructor(config: DataChannelManagerConfig) {
+    super();
+    this.config = {
+      ordered: true,
+      maxRetransmits: 3,
+      ...config
+    };
+  }
+
+  initializeDataChannel(dataChannel: RTCDataChannel): void {
+    this.dataChannel = dataChannel;
+    this.setupEventHandlers();
+  }
+
+  createDataChannel(pc: RTCPeerConnection): RTCDataChannel {
+    if (this.dataChannel) {
+      throw new WebRTCError('DC_ALREADY_EXISTS', '数据通道已存在', false);
+    }
+
+    try {
+      this.dataChannel = pc.createDataChannel(this.config.channelName, {
+        ordered: this.config.ordered,
+        maxRetransmits: this.config.maxRetransmits,
+      });
+
+      this.setupEventHandlers();
+      return this.dataChannel;
+    } catch (error) {
+      throw new WebRTCError('DC_CREATE_FAILED', '创建数据通道失败', false, error as Error);
+    }
+  }
+
+  private setupEventHandlers(): void {
+    if (!this.dataChannel) return;
+
+    this.dataChannel.onopen = () => {
+      console.log(`[DataChannel] 数据通道已打开: ${this.config.channelName}`);
+      this.isReady = true;
+      this.flushQueues();
+      this.emit('state-change', { type: 'state-change', state: { isPeerConnected: true, error: null } });
+    };
+
+    this.dataChannel.onmessage = (event) => {
+      if (typeof event.data === 'string') {
+        try {
+          const message = JSON.parse(event.data) as WebRTCMessage;
+          console.log(`[DataChannel] 收到消息: ${message.type}, 通道: ${message.channel || this.config.channelName}`);
+          
+          if (this.config.onMessage) {
+            this.config.onMessage(message);
+          }
+        } catch (error) {
+          console.error('[DataChannel] 解析消息失败:', error);
+          this.emit('error', { 
+            type: 'error', 
+            error: new WebRTCError('DC_MESSAGE_PARSE_ERROR', '消息解析失败', false, error as Error) 
+          });
+        }
+      } else if (event.data instanceof ArrayBuffer) {
+        console.log(`[DataChannel] 收到数据: ${event.data.byteLength} bytes`);
+        
+        if (this.config.onData) {
+          this.config.onData(event.data);
+        }
+      }
+    };
+
+    this.dataChannel.onerror = (error) => {
+      console.error(`[DataChannel] 数据通道错误: ${this.config.channelName}`, error);
+      
+      const errorMessage = this.getDetailedErrorMessage();
+      this.emit('error', { 
+        type: 'error', 
+        error: new WebRTCError('DC_ERROR', errorMessage, true) 
+      });
+    };
+
+    this.dataChannel.onclose = () => {
+      console.log(`[DataChannel] 数据通道已关闭: ${this.config.channelName}`);
+      this.isReady = false;
+      this.emit('disconnected', { 
+        type: 'disconnected', 
+        reason: `数据通道关闭: ${this.config.channelName}` 
+      });
+    };
+  }
+
+  private getDetailedErrorMessage(): string {
+    if (!this.dataChannel) return '数据通道不可用';
+
+    switch (this.dataChannel.readyState) {
+      case 'connecting':
+        return '数据通道正在连接中，请稍候...';
+      case 'closing':
+        return '数据通道正在关闭，连接即将断开';
+      case 'closed':
+        return '数据通道已关闭，P2P连接失败';
+      default:
+        return '数据通道连接失败，可能是网络环境受限';
+    }
+  }
+
+  sendMessage(message: WebRTCMessage): boolean {
+    if (!this.isReady || !this.dataChannel || this.dataChannel.readyState !== 'open') {
+      this.messageQueue.push(message);
+      return false;
+    }
+
+    try {
+      this.dataChannel.send(JSON.stringify(message));
+      console.log(`[DataChannel] 发送消息: ${message.type}, 通道: ${message.channel || this.config.channelName}`);
+      return true;
+    } catch (error) {
+      console.error('[DataChannel] 发送消息失败:', error);
+      this.emit('error', { 
+        type: 'error', 
+        error: new WebRTCError('DC_SEND_ERROR', '发送消息失败', true, error as Error) 
+      });
+      return false;
+    }
+  }
+
+  sendData(data: ArrayBuffer): boolean {
+    if (!this.isReady || !this.dataChannel || this.dataChannel.readyState !== 'open') {
+      this.dataQueue.push(data);
+      return false;
+    }
+
+    try {
+      this.dataChannel.send(data);
+      console.log(`[DataChannel] 发送数据: ${data.byteLength} bytes`);
+      return true;
+    } catch (error) {
+      console.error('[DataChannel] 发送数据失败:', error);
+      this.emit('error', { 
+        type: 'error', 
+        error: new WebRTCError('DC_SEND_DATA_ERROR', '发送数据失败', true, error as Error) 
+      });
+      return false;
+    }
+  }
+
+  private flushQueues(): void {
+    // 发送排队的消息
+    while (this.messageQueue.length > 0) {
+      const message = this.messageQueue.shift();
+      if (message) {
+        this.sendMessage(message);
+      }
+    }
+
+    // 发送排队的数据
+    while (this.dataQueue.length > 0) {
+      const data = this.dataQueue.shift();
+      if (data) {
+        this.sendData(data);
+      }
+    }
+  }
+
+  getState(): RTCDataChannelState {
+    return this.dataChannel?.readyState || 'closed';
+  }
+
+  isChannelReady(): boolean {
+    return this.isReady && this.dataChannel?.readyState === 'open';
+  }
+
+  getBufferedAmount(): number {
+    return this.dataChannel?.bufferedAmount || 0;
+  }
+
+  getBufferedAmountLowThreshold(): number {
+    return this.dataChannel?.bufferedAmountLowThreshold || 0;
+  }
+
+  setBufferedAmountLowThreshold(threshold: number): void {
+    if (this.dataChannel) {
+      this.dataChannel.bufferedAmountLowThreshold = threshold;
+    }
+  }
+
+  onBufferedAmountLow(handler: () => void): void {
+    if (this.dataChannel) {
+      this.dataChannel.onbufferedamountlow = handler;
+    }
+  }
+
+  close(): void {
+    if (this.dataChannel) {
+      this.dataChannel.close();
+      this.dataChannel = null;
+    }
+    
+    this.isReady = false;
+    this.messageQueue = [];
+    this.dataQueue = [];
+    
+    this.emit('disconnected', { type: 'disconnected', reason: '数据通道已关闭' });
+  }
+
+  on(event: string, handler: EventHandler<ConnectionEvent>): this {
+    return super.on(event, handler);
+  }
+
+  emit(eventName: string, event?: ConnectionEvent): boolean {
+    return super.emit(eventName, event);
+  }
+}

chuan-next/src/hooks/webrtc/MessageRouter.ts

@@ -0,0 +1,197 @@
+import { WebRTCMessage, MessageHandler, DataHandler } from './types';
+
+interface ChannelHandlers {
+  messageHandlers: Set<MessageHandler>;
+  dataHandlers: Set<DataHandler>;
+}
+
+export class MessageRouter {
+  private channels = new Map<string, ChannelHandlers>();
+  private defaultChannelHandlers: ChannelHandlers | null = null;
+
+  constructor() {
+    this.createDefaultChannel();
+  }
+
+  private createDefaultChannel(): void {
+    this.defaultChannelHandlers = {
+      messageHandlers: new Set(),
+      dataHandlers: new Set(),
+    };
+  }
+
+  registerMessageHandler(channel: string, handler: MessageHandler): () => void {
+    let channelHandlers = this.channels.get(channel);
+    
+    if (!channelHandlers) {
+      channelHandlers = {
+        messageHandlers: new Set(),
+        dataHandlers: new Set(),
+      };
+      this.channels.set(channel, channelHandlers);
+    }
+
+    channelHandlers.messageHandlers.add(handler);
+
+    // 返回取消注册函数
+    return () => {
+      channelHandlers!.messageHandlers.delete(handler);
+      
+      // 如果通道没有处理器了，删除通道
+      if (channelHandlers!.messageHandlers.size === 0 && channelHandlers!.dataHandlers.size === 0) {
+        this.channels.delete(channel);
+      }
+    };
+  }
+
+  registerDataHandler(channel: string, handler: DataHandler): () => void {
+    let channelHandlers = this.channels.get(channel);
+    
+    if (!channelHandlers) {
+      channelHandlers = {
+        messageHandlers: new Set(),
+        dataHandlers: new Set(),
+      };
+      this.channels.set(channel, channelHandlers);
+    }
+
+    channelHandlers.dataHandlers.add(handler);
+
+    // 返回取消注册函数
+    return () => {
+      channelHandlers!.dataHandlers.delete(handler);
+      
+      // 如果通道没有处理器了，删除通道
+      if (channelHandlers!.messageHandlers.size === 0 && channelHandlers!.dataHandlers.size === 0) {
+        this.channels.delete(channel);
+      }
+    };
+  }
+
+  registerDefaultMessageHandler(handler: MessageHandler): () => void {
+    if (!this.defaultChannelHandlers) {
+      this.createDefaultChannel();
+    }
+    
+    this.defaultChannelHandlers?.messageHandlers.add(handler);
+    
+    return () => {
+      this.defaultChannelHandlers?.messageHandlers.delete(handler);
+    };
+  }
+
+  registerDefaultDataHandler(handler: DataHandler): () => void {
+    if (!this.defaultChannelHandlers) {
+      this.createDefaultChannel();
+    }
+    
+    this.defaultChannelHandlers?.dataHandlers.add(handler);
+    
+    return () => {
+      this.defaultChannelHandlers?.dataHandlers.delete(handler);
+    };
+  }
+
+  routeMessage(message: WebRTCMessage): void {
+    const channel = message.channel;
+    
+    if (channel) {
+      // 路由到特定通道
+      const channelHandlers = this.channels.get(channel);
+      if (channelHandlers && channelHandlers.messageHandlers.size > 0) {
+        channelHandlers.messageHandlers.forEach(handler => {
+          try {
+            handler(message);
+          } catch (error) {
+            console.error(`消息处理器错误 (通道: ${channel}):`, error);
+          }
+        });
+        return;
+      }
+    }
+
+    // 回退到默认处理器
+    if (this.defaultChannelHandlers?.messageHandlers.size) {
+      this.defaultChannelHandlers.messageHandlers.forEach(handler => {
+        try {
+          handler(message);
+        } catch (error) {
+          console.error('默认消息处理器错误:', error);
+        }
+      });
+    } else {
+      console.warn('没有找到消息处理器:', message.type, channel || 'default');
+    }
+  }
+
+  routeData(data: ArrayBuffer, channel?: string): void {
+    if (channel) {
+      // 路由到特定通道
+      const channelHandlers = this.channels.get(channel);
+      if (channelHandlers && channelHandlers.dataHandlers.size > 0) {
+        channelHandlers.dataHandlers.forEach(handler => {
+          try {
+            handler(data);
+          } catch (error) {
+            console.error(`数据处理器错误 (通道: ${channel}):`, error);
+          }
+        });
+        return;
+      }
+    }
+
+    // 回退到默认处理器
+    if (this.defaultChannelHandlers?.dataHandlers.size) {
+      this.defaultChannelHandlers.dataHandlers.forEach(handler => {
+        try {
+          handler(data);
+        } catch (error) {
+          console.error('默认数据处理器错误:', error);
+        }
+      });
+    } else {
+      console.warn('没有找到数据处理器，数据大小:', data.byteLength, 'bytes');
+    }
+  }
+
+  hasHandlers(channel?: string): boolean {
+    if (channel) {
+      const channelHandlers = this.channels.get(channel);
+      return channelHandlers ? 
+        (channelHandlers.messageHandlers.size > 0 || channelHandlers.dataHandlers.size > 0) : 
+        false;
+    }
+    
+    return this.defaultChannelHandlers ? 
+      (this.defaultChannelHandlers.messageHandlers.size > 0 || this.defaultChannelHandlers.dataHandlers.size > 0) : 
+      false;
+  }
+
+  getChannelList(): string[] {
+    return Array.from(this.channels.keys());
+  }
+
+  getHandlerCount(channel?: string): { message: number; data: number } {
+    if (channel) {
+      const channelHandlers = this.channels.get(channel);
+      return channelHandlers ? {
+        message: channelHandlers.messageHandlers.size,
+        data: channelHandlers.dataHandlers.size,
+      } : { message: 0, data: 0 };
+    }
+    
+    return this.defaultChannelHandlers ? {
+      message: this.defaultChannelHandlers.messageHandlers.size,
+      data: this.defaultChannelHandlers.dataHandlers.size,
+    } : { message: 0, data: 0 };
+  }
+
+  clear(): void {
+    this.channels.clear();
+    this.createDefaultChannel();
+  }
+
+  clearChannel(channel: string): void {
+    this.channels.delete(channel);
+  }
+}

chuan-next/src/hooks/webrtc/PeerConnectionManager.ts

@@ -0,0 +1,293 @@
+import { EventEmitter } from 'events';
+import { WebRTCError, WebRTCConfig, ConnectionEvent, EventHandler } from './types';
+
+interface PeerConnectionManagerConfig extends WebRTCConfig {
+  onSignalingMessage: (message: any) => void;
+  onTrack?: (event: RTCTrackEvent) => void;
+}
+
+interface NegotiationOptions {
+  offerToReceiveAudio?: boolean;
+  offerToReceiveVideo?: boolean;
+}
+
+export class PeerConnectionManager extends EventEmitter {
+  private pc: RTCPeerConnection | null = null;
+  private config: PeerConnectionManagerConfig;
+  private isNegotiating = false;
+  private negotiationQueue: Array<() => Promise<void>> = [];
+  private localCandidates: RTCIceCandidate[] = [];
+  private remoteCandidates: RTCIceCandidate[] = [];
+
+  constructor(config: PeerConnectionManagerConfig) {
+    super();
+    this.config = config;
+  }
+
+  async createPeerConnection(): Promise<RTCPeerConnection> {
+    if (this.pc) {
+      this.destroyPeerConnection();
+    }
+
+    try {
+      this.pc = new RTCPeerConnection({
+        iceServers: this.config.iceServers,
+        iceCandidatePoolSize: this.config.iceCandidatePoolSize,
+      });
+
+      this.setupEventHandlers();
+      this.emit('state-change', { type: 'state-change', state: { isPeerConnected: false } });
+      
+      return this.pc;
+    } catch (error) {
+      throw new WebRTCError('PC_CREATE_FAILED', '创建PeerConnection失败', true, error as Error);
+    }
+  }
+
+  private setupEventHandlers(): void {
+    if (!this.pc) return;
+
+    this.pc.onicecandidate = (event) => {
+      if (event.candidate) {
+        this.localCandidates.push(event.candidate);
+        this.config.onSignalingMessage({
+          type: 'ice-candidate',
+          payload: event.candidate
+        });
+      } else {
+        console.log('[PeerConnection] ICE收集完成');
+      }
+    };
+
+    this.pc.oniceconnectionstatechange = () => {
+      console.log('[PeerConnection] ICE连接状态:', this.pc!.iceConnectionState);
+      
+      switch (this.pc!.iceConnectionState) {
+        case 'connected':
+        case 'completed':
+          this.emit('state-change', { type: 'state-change', state: { isPeerConnected: true, error: null } });
+          break;
+        case 'failed':
+          this.emit('error', { 
+            type: 'error', 
+            error: new WebRTCError('ICE_FAILED', 'ICE连接失败', true) 
+          });
+          break;
+        case 'disconnected':
+          this.emit('state-change', { type: 'state-change', state: { isPeerConnected: false } });
+          break;
+      }
+    };
+
+    this.pc.onconnectionstatechange = () => {
+      console.log('[PeerConnection] 连接状态:', this.pc!.connectionState);
+      
+      switch (this.pc!.connectionState) {
+        case 'connected':
+          this.emit('state-change', { type: 'state-change', state: { isPeerConnected: true, error: null } });
+          break;
+        case 'failed':
+          this.emit('error', { 
+            type: 'error', 
+            error: new WebRTCError('CONNECTION_FAILED', 'WebRTC连接失败', true) 
+          });
+          break;
+        case 'disconnected':
+          this.emit('state-change', { type: 'state-change', state: { isPeerConnected: false } });
+          break;
+      }
+    };
+
+    this.pc.ontrack = (event) => {
+      console.log('[PeerConnection] 收到轨道:', event.track.kind);
+      if (this.config.onTrack) {
+        this.config.onTrack(event);
+      }
+    };
+
+    this.pc.onsignalingstatechange = () => {
+      console.log('[PeerConnection] 信令状态:', this.pc!.signalingState);
+      if (this.pc!.signalingState === 'stable') {
+        this.isNegotiating = false;
+        this.processNegotiationQueue();
+      }
+    };
+  }
+
+  async createOffer(options: NegotiationOptions = {}): Promise<RTCSessionDescriptionInit> {
+    if (!this.pc) {
+      throw new WebRTCError('PC_NOT_READY', 'PeerConnection未准备就绪', false);
+    }
+
+    try {
+      const offerOptions: RTCOfferOptions = {
+        offerToReceiveAudio: options.offerToReceiveAudio ?? true,
+        offerToReceiveVideo: options.offerToReceiveVideo ?? true,
+      };
+
+      const offer = await this.pc.createOffer(offerOptions);
+      await this.pc.setLocalDescription(offer);
+      
+      return offer;
+    } catch (error) {
+      throw new WebRTCError('OFFER_FAILED', '创建Offer失败', true, error as Error);
+    }
+  }
+
+  async createAnswer(): Promise<RTCSessionDescriptionInit> {
+    if (!this.pc) {
+      throw new WebRTCError('PC_NOT_READY', 'PeerConnection未准备就绪', false);
+    }
+
+    try {
+      const answer = await this.pc.createAnswer();
+      await this.pc.setLocalDescription(answer);
+      
+      return answer;
+    } catch (error) {
+      throw new WebRTCError('ANSWER_FAILED', '创建Answer失败', true, error as Error);
+    }
+  }
+
+  async setRemoteDescription(description: RTCSessionDescriptionInit): Promise<void> {
+    if (!this.pc) {
+      throw new WebRTCError('PC_NOT_READY', 'PeerConnection未准备就绪', false);
+    }
+
+    try {
+      await this.pc.setRemoteDescription(description);
+      
+      // 添加缓存的远程候选
+      for (const candidate of this.remoteCandidates) {
+        await this.pc.addIceCandidate(candidate);
+      }
+      this.remoteCandidates = [];
+    } catch (error) {
+      throw new WebRTCError('REMOTE_DESC_FAILED', '设置远程描述失败', false, error as Error);
+    }
+  }
+
+  async addIceCandidate(candidate: RTCIceCandidateInit): Promise<void> {
+    if (!this.pc) {
+      this.remoteCandidates.push(new RTCIceCandidate(candidate));
+      return;
+    }
+
+    try {
+      await this.pc.addIceCandidate(candidate);
+    } catch (error) {
+      console.warn('添加ICE候选失败:', error);
+    }
+  }
+
+  addTrack(track: MediaStreamTrack, stream: MediaStream): RTCRtpSender | null {
+    if (!this.pc) {
+      throw new WebRTCError('PC_NOT_READY', 'PeerConnection未准备就绪', false);
+    }
+
+    try {
+      return this.pc.addTrack(track, stream);
+    } catch (error) {
+      throw new WebRTCError('ADD_TRACK_FAILED', '添加轨道失败', false, error as Error);
+    }
+  }
+
+  removeTrack(sender: RTCRtpSender): void {
+    if (!this.pc) {
+      throw new WebRTCError('PC_NOT_READY', 'PeerConnection未准备就绪', false);
+    }
+
+    try {
+      this.pc.removeTrack(sender);
+    } catch (error) {
+      throw new WebRTCError('REMOVE_TRACK_FAILED', '移除轨道失败', false, error as Error);
+    }
+  }
+
+  createDataChannel(label: string, options?: RTCDataChannelInit): RTCDataChannel {
+    if (!this.pc) {
+      throw new WebRTCError('PC_NOT_READY', 'PeerConnection未准备就绪', false);
+    }
+
+    return this.pc.createDataChannel(label, options);
+  }
+
+  async renegotiate(options: NegotiationOptions = {}): Promise<void> {
+    if (!this.pc || this.isNegotiating) {
+      this.negotiationQueue.push(() => this.doRenegotiate(options));
+      return;
+    }
+
+    await this.doRenegotiate(options);
+  }
+
+  private async doRenegotiate(options: NegotiationOptions): Promise<void> {
+    if (!this.pc || this.isNegotiating) return;
+
+    this.isNegotiating = true;
+    
+    try {
+      const offer = await this.createOffer(options);
+      this.config.onSignalingMessage({
+        type: 'offer',
+        payload: offer
+      });
+    } catch (error) {
+      this.isNegotiating = false;
+      throw error;
+    }
+  }
+
+  private processNegotiationQueue(): void {
+    if (this.negotiationQueue.length === 0) return;
+
+    const nextNegotiation = this.negotiationQueue.shift();
+    if (nextNegotiation) {
+      nextNegotiation().catch(error => {
+        console.error('处理协商队列失败:', error);
+      });
+    }
+  }
+
+  getStats(): Promise<RTCStatsReport> {
+    if (!this.pc) {
+      throw new WebRTCError('PC_NOT_READY', 'PeerConnection未准备就绪', false);
+    }
+
+    return this.pc.getStats();
+  }
+
+  getConnectionState(): RTCPeerConnectionState {
+    return this.pc?.connectionState || 'closed';
+  }
+
+  getIceConnectionState(): RTCIceConnectionState {
+    return this.pc?.iceConnectionState || 'closed';
+  }
+
+  getSignalingState(): RTCSignalingState {
+    return this.pc?.signalingState || 'stable';
+  }
+
+  destroyPeerConnection(): void {
+    if (this.pc) {
+      this.pc.close();
+      this.pc = null;
+    }
+    
+    this.isNegotiating = false;
+    this.negotiationQueue = [];
+    this.localCandidates = [];
+    this.remoteCandidates = [];
+    
+    this.emit('state-change', { type: 'state-change', state: { isPeerConnected: false } });
+  }
+
+  on(event: string, handler: EventHandler<ConnectionEvent>): this {
+    return super.on(event, handler);
+  }
+
+  emit(eventName: string, event?: ConnectionEvent): boolean {
+    return super.emit(eventName, event);
+  }
+}

chuan-next/src/hooks/webrtc/WebRTCManager.ts

@@ -0,0 +1,455 @@
+import { EventEmitter } from 'events';
+import { WebSocketManager } from './WebSocketManager';
+import { PeerConnectionManager } from './PeerConnectionManager';
+import { DataChannelManager } from './DataChannelManager';
+import { MessageRouter } from './MessageRouter';
+import { 
+  WebRTCConnectionState, 
+  WebRTCMessage, 
+  WebRTCConfig, 
+  WebRTCError, 
+  MessageHandler,
+  DataHandler
+} from './types';
+import { getWsUrl } from '@/lib/config';
+
+interface WebRTCManagerConfig extends Partial<WebRTCConfig> {
+  dataChannelName?: string;
+  enableLogging?: boolean;
+}
+
+interface SignalingMessage {
+  type: string;
+  payload: any;
+}
+
+export class WebRTCManager extends EventEmitter {
+  private wsManager: WebSocketManager;
+  private pcManager: PeerConnectionManager;
+  private dcManager: DataChannelManager;
+  private messageRouter: MessageRouter;
+  private config: WebRTCManagerConfig;
+  
+  private state: WebRTCConnectionState;
+  private currentRoom: { code: string; role: 'sender' | 'receiver' } | null = null;
+  private isUserDisconnecting = false;
+  private abortController = new AbortController();
+
+  constructor(config: WebRTCManagerConfig = {}) {
+    super();
+    
+    this.config = {
+      iceServers: [
+        { urls: 'stun:stun.l.google.com:19302' },
+        { urls: 'stun:stun1.l.google.com:19302' },
+        { urls: 'stun:stun2.l.google.com:19302' },
+        { urls: 'stun:global.stun.twilio.com:3478' },
+      ],
+      iceCandidatePoolSize: 10,
+      chunkSize: 256 * 1024,
+      maxRetries: 5,
+      retryDelay: 1000,
+      ackTimeout: 5000,
+      dataChannelName: 'shared-channel',
+      enableLogging: true,
+      ...config
+    };
+
+    this.state = {
+      isConnected: false,
+      isConnecting: false,
+      isWebSocketConnected: false,
+      isPeerConnected: false,
+      error: null,
+      canRetry: false,
+      currentRoom: null,
+    };
+
+    // 初始化各个管理器
+    this.wsManager = new WebSocketManager({
+      url: '',
+      reconnectAttempts: 5,
+      reconnectDelay: 1000,
+      timeout: 10000,
+    });
+
+    this.pcManager = new PeerConnectionManager({
+      iceServers: this.config.iceServers!,
+      iceCandidatePoolSize: this.config.iceCandidatePoolSize!,
+      chunkSize: this.config.chunkSize!,
+      maxRetries: this.config.maxRetries!,
+      retryDelay: this.config.retryDelay!,
+      ackTimeout: this.config.ackTimeout!,
+      onSignalingMessage: this.handleSignalingMessage.bind(this),
+      onTrack: this.handleTrack.bind(this),
+    });
+
+    this.dcManager = new DataChannelManager({
+      channelName: this.config.dataChannelName!,
+      onMessage: this.handleDataChannelMessage.bind(this),
+      onData: this.handleDataChannelData.bind(this),
+    });
+
+    this.messageRouter = new MessageRouter();
+
+    this.setupEventHandlers();
+  }
+
+  private setupEventHandlers(): void {
+    // WebSocket 事件处理
+    this.wsManager.on('connecting', (event) => {
+      this.updateState({ isConnecting: true, error: null });
+    });
+
+    this.wsManager.on('connected', (event) => {
+      this.updateState({ 
+        isWebSocketConnected: true, 
+        isConnecting: false,
+        isConnected: true 
+      });
+    });
+
+    this.wsManager.on('disconnected', (event: any) => {
+      this.updateState({ isWebSocketConnected: false });
+      
+      if (!this.isUserDisconnecting) {
+        this.updateState({ 
+          error: event.reason,
+          canRetry: true 
+        });
+      }
+    });
+
+    this.wsManager.on('error', (event: any) => {
+      this.updateState({ 
+        error: event.error.message,
+        canRetry: event.error.retryable 
+      });
+    });
+
+    this.wsManager.on('message', (message: any) => {
+      this.handleWebSocketMessage(message);
+    });
+
+    // PeerConnection 事件处理
+    this.pcManager.on('state-change', (event: any) => {
+      this.updateState(event.state);
+    });
+
+    this.pcManager.on('error', (event: any) => {
+      this.updateState({ 
+        error: event.error.message,
+        canRetry: event.error.retryable 
+      });
+    });
+
+    // DataChannel 事件处理
+    this.dcManager.on('state-change', (event: any) => {
+      this.updateState(event.state);
+    });
+
+    this.dcManager.on('error', (event: any) => {
+      this.updateState({ 
+        error: event.error.message,
+        canRetry: event.error.retryable 
+      });
+    });
+  }
+
+  private updateState(updates: Partial<WebRTCConnectionState>): void {
+    this.state = { ...this.state, ...updates };
+    this.emit('state-change', { type: 'state-change', state: updates });
+  }
+
+  private handleWebSocketMessage(message: SignalingMessage): void {
+    if (this.config.enableLogging) {
+      console.log('[WebRTCManager] 收到信令消息:', message.type);
+    }
+
+    switch (message.type) {
+      case 'peer-joined':
+        this.handlePeerJoined(message.payload);
+        break;
+      case 'offer':
+        this.handleOffer(message.payload);
+        break;
+      case 'answer':
+        this.handleAnswer(message.payload);
+        break;
+      case 'ice-candidate':
+        this.handleIceCandidate(message.payload);
+        break;
+      case 'error':
+        this.handleError(message);
+        break;
+      case 'disconnection':
+        this.handleDisconnection(message);
+        break;
+      default:
+        if (this.config.enableLogging) {
+          console.warn('[WebRTCManager] 未知消息类型:', message.type);
+        }
+    }
+  }
+
+  private handleSignalingMessage(message: SignalingMessage): void {
+    this.wsManager.send(message);
+  }
+
+  private handleTrack(event: RTCTrackEvent): void {
+    if (this.config.enableLogging) {
+      console.log('[WebRTCManager] 收到媒体轨道:', event.track.kind);
+    }
+    // 这里可以添加轨道处理逻辑，或者通过事件传递给业务层
+  }
+
+  private handleDataChannelMessage(message: WebRTCMessage): void {
+    this.messageRouter.routeMessage(message);
+  }
+
+  private handleDataChannelData(data: ArrayBuffer): void {
+    // 默认路由到文件传输通道
+    this.messageRouter.routeData(data, 'file-transfer');
+  }
+
+  private async handlePeerJoined(payload: any): Promise<void> {
+    if (!this.currentRoom) return;
+
+    const { role } = payload;
+    const { role: currentRole } = this.currentRoom;
+
+    if (this.config.enableLogging) {
+      console.log('[WebRTCManager] 对方加入房间:', role);
+    }
+
+    if (currentRole === 'sender' && role === 'receiver') {
+      this.updateState({ isPeerConnected: true });
+      try {
+        await this.pcManager.createOffer();
+      } catch (error) {
+        console.error('[WebRTCManager] 创建Offer失败:', error);
+      }
+    } else if (currentRole === 'receiver' && role === 'sender') {
+      this.updateState({ isPeerConnected: true });
+    }
+  }
+
+  private async handleOffer(payload: RTCSessionDescriptionInit): Promise<void> {
+    try {
+      await this.pcManager.setRemoteDescription(payload);
+      const answer = await this.pcManager.createAnswer();
+      this.handleSignalingMessage({ type: 'answer', payload: answer });
+    } catch (error) {
+      console.error('[WebRTCManager] 处理Offer失败:', error);
+      this.updateState({ 
+        error: '处理连接请求失败',
+        canRetry: true 
+      });
+    }
+  }
+
+  private async handleAnswer(payload: RTCSessionDescriptionInit): Promise<void> {
+    try {
+      await this.pcManager.setRemoteDescription(payload);
+    } catch (error) {
+      console.error('[WebRTCManager] 处理Answer失败:', error);
+      this.updateState({ 
+        error: '处理连接响应失败',
+        canRetry: true 
+      });
+    }
+  }
+
+  private async handleIceCandidate(payload: RTCIceCandidateInit): Promise<void> {
+    try {
+      await this.pcManager.addIceCandidate(payload);
+    } catch (error) {
+      console.warn('[WebRTCManager] 添加ICE候选失败:', error);
+    }
+  }
+
+  private handleError(message: any): void {
+    this.updateState({ 
+      error: message.error || '信令服务器错误',
+      canRetry: true 
+    });
+  }
+
+  private handleDisconnection(message: any): void {
+    this.updateState({ 
+      isPeerConnected: false,
+      error: '对方已离开房间',
+      canRetry: true 
+    });
+    
+    // 清理P2P连接但保持WebSocket连接
+    this.pcManager.destroyPeerConnection();
+    this.dcManager.close();
+  }
+
+  async connect(roomCode: string, role: 'sender' | 'receiver'): Promise<void> {
+    if (this.state.isConnecting) {
+      console.warn('[WebRTCManager] 正在连接中，跳过重复连接请求');
+      return;
+    }
+
+    this.isUserDisconnecting = false;
+    this.abortController = new AbortController();
+    
+    try {
+      this.currentRoom = { code: roomCode, role };
+      this.updateState({ 
+        isConnecting: true, 
+        error: null,
+        currentRoom: { code: roomCode, role }
+      });
+
+      // 创建PeerConnection
+      const pc = await this.pcManager.createPeerConnection();
+
+      // 如果是发送方，创建数据通道
+      if (role === 'sender') {
+        this.dcManager.createDataChannel(pc);
+      }
+
+      // 连接WebSocket
+      const baseWsUrl = getWsUrl();
+      if (!baseWsUrl) {
+        throw new WebRTCError('WS_URL_NOT_CONFIGURED', 'WebSocket URL未配置', false);
+      }
+
+      const wsUrl = baseWsUrl.replace('/ws/p2p', `/ws/webrtc?code=${roomCode}&role=${role}&channel=shared`);
+      this.wsManager = new WebSocketManager({
+        url: wsUrl,
+        reconnectAttempts: 5,
+        reconnectDelay: 1000,
+        timeout: 10000,
+      });
+
+      this.setupEventHandlers();
+      await this.wsManager.connect();
+
+    } catch (error) {
+      console.error('[WebRTCManager] 连接失败:', error);
+      this.updateState({ 
+        error: error instanceof WebRTCError ? error.message : '连接失败',
+        isConnecting: false,
+        canRetry: true 
+      });
+      throw error;
+    }
+  }
+
+  disconnect(): void {
+    if (this.config.enableLogging) {
+      console.log('[WebRTCManager] 主动断开连接');
+    }
+
+    this.isUserDisconnecting = true;
+    this.abortController.abort();
+
+    // 通知对方断开连接
+    this.wsManager.send({
+      type: 'disconnection',
+      payload: { reason: '用户主动断开' }
+    });
+
+    // 清理所有连接
+    this.dcManager.close();
+    this.pcManager.destroyPeerConnection();
+    this.wsManager.disconnect();
+    this.messageRouter.clear();
+
+    // 重置状态
+    this.currentRoom = null;
+    this.updateState({
+      isConnected: false,
+      isConnecting: false,
+      isWebSocketConnected: false,
+      isPeerConnected: false,
+      error: null,
+      canRetry: false,
+      currentRoom: null,
+    });
+  }
+
+  async retry(): Promise<void> {
+    if (!this.currentRoom) {
+      throw new WebRTCError('NO_ROOM_INFO', '没有房间信息，无法重试', false);
+    }
+
+    if (this.config.enableLogging) {
+      console.log('[WebRTCManager] 重试连接:', this.currentRoom);
+    }
+
+    this.disconnect();
+    await this.connect(this.currentRoom.code, this.currentRoom.role);
+  }
+
+  sendMessage(message: WebRTCMessage, channel?: string): boolean {
+    const messageWithChannel = channel ? { ...message, channel } : message;
+    return this.dcManager.sendMessage(messageWithChannel);
+  }
+
+  sendData(data: ArrayBuffer): boolean {
+    return this.dcManager.sendData(data);
+  }
+
+  registerMessageHandler(channel: string, handler: MessageHandler): () => void {
+    return this.messageRouter.registerMessageHandler(channel, handler);
+  }
+
+  registerDataHandler(channel: string, handler: DataHandler): () => void {
+    return this.messageRouter.registerDataHandler(channel, handler);
+  }
+
+  addTrack(track: MediaStreamTrack, stream: MediaStream): RTCRtpSender | null {
+    return this.pcManager.addTrack(track, stream);
+  }
+
+  removeTrack(sender: RTCRtpSender): void {
+    this.pcManager.removeTrack(sender);
+  }
+
+  onTrack(handler: (event: RTCTrackEvent) => void): void {
+    // 简化实现，直接设置处理器
+    this.pcManager.on('track', (event) => {
+      if (event.type === 'state-change' && 'onTrack' in this.config) {
+        // 这里需要适配事件类型
+      }
+    });
+  }
+
+  getPeerConnection(): RTCPeerConnection | null {
+    // 返回内部 PeerConnection 的引用
+    return (this.pcManager as any).pc;
+  }
+
+  async createOfferNow(): Promise<boolean> {
+    try {
+      await this.pcManager.createOffer();
+      return true;
+    } catch (error) {
+      console.error('[WebRTCManager] 创建Offer失败:', error);
+      return false;
+    }
+  }
+
+  getChannelState(): RTCDataChannelState {
+    return this.dcManager.getState();
+  }
+
+  isConnectedToRoom(roomCode: string, role: 'sender' | 'receiver'): boolean {
+    return this.currentRoom?.code === roomCode &&
+      this.currentRoom?.role === role &&
+      this.state.isConnected;
+  }
+
+  getState(): WebRTCConnectionState {
+    return { ...this.state };
+  }
+
+  getConfig(): WebRTCManagerConfig {
+    return { ...this.config };
+  }
+}

chuan-next/src/hooks/webrtc/WebSocketManager.ts

@@ -0,0 +1,218 @@
+import { EventEmitter } from 'events';
+import { WebRTCError, WebRTCMessage, ConnectionEvent, EventHandler } from './types';
+
+interface WebSocketManagerConfig {
+  url: string;
+  reconnectAttempts?: number;
+  reconnectDelay?: number;
+  timeout?: number;
+}
+
+interface WebSocketMessage {
+  type: string;
+  payload: any;
+}
+
+export class WebSocketManager extends EventEmitter {
+  private ws: WebSocket | null = null;
+  private config: WebSocketManagerConfig;
+  private reconnectCount = 0;
+  private isConnecting = false;
+  private isUserDisconnecting = false;
+  private messageQueue: WebSocketMessage[] = [];
+  private reconnectTimer: NodeJS.Timeout | null = null;
+
+  constructor(config: WebSocketManagerConfig) {
+    super();
+    this.config = {
+      reconnectAttempts: 5,
+      reconnectDelay: 1000,
+      timeout: 10000,
+      ...config
+    };
+  }
+
+  async connect(): Promise<void> {
+    if (this.isConnecting || this.isConnected()) {
+      return;
+    }
+
+    this.isConnecting = true;
+    this.isUserDisconnecting = false;
+    this.emit('connecting', { type: 'connecting' });
+
+    try {
+      const ws = new WebSocket(this.config.url);
+      
+      // 设置超时
+      const timeout = setTimeout(() => {
+        if (ws.readyState === WebSocket.CONNECTING) {
+          ws.close();
+          throw new WebRTCError('WS_TIMEOUT', 'WebSocket连接超时', true);
+        }
+      }, this.config.timeout);
+
+      await new Promise<void>((resolve, reject) => {
+        ws.onopen = () => {
+          clearTimeout(timeout);
+          this.isConnecting = false;
+          this.reconnectCount = 0;
+          this.ws = ws;
+          this.setupEventHandlers();
+          this.flushMessageQueue();
+          this.emit('connected', { type: 'connected' });
+          resolve();
+        };
+
+        ws.onerror = (errorEvent) => {
+          clearTimeout(timeout);
+          this.isConnecting = false;
+          const wsError = new WebRTCError('WS_ERROR', 'WebSocket连接错误', true, new Error('WebSocket连接错误'));
+          this.emit('error', { type: 'error', error: wsError });
+          reject(wsError);
+        };
+
+        ws.onclose = (closeEvent) => {
+          clearTimeout(timeout);
+          this.isConnecting = false;
+          this.ws = null;
+          
+          if (!this.isUserDisconnecting) {
+            this.handleReconnect();
+          }
+          
+          this.emit('disconnected', { 
+            type: 'disconnected', 
+            reason: `WebSocket关闭: ${closeEvent.code} - ${closeEvent.reason}` 
+          });
+        };
+      });
+
+    } catch (error) {
+      this.isConnecting = false;
+      if (error instanceof WebRTCError) {
+        this.emit('error', { type: 'error', error });
+        throw error;
+      }
+      throw new WebRTCError('WS_CONNECTION_FAILED', 'WebSocket连接失败', true, error as Error);
+    }
+  }
+
+  private setupEventHandlers(): void {
+    if (!this.ws) return;
+
+    this.ws.onmessage = (event) => {
+      try {
+        const message = JSON.parse(event.data);
+        this.emit('message', message);
+      } catch (error) {
+        console.error('解析WebSocket消息失败:', error);
+        this.emit('error', { 
+          type: 'error', 
+          error: new WebRTCError('WS_MESSAGE_PARSE_ERROR', '消息解析失败', false, error as Error) 
+        });
+      }
+    };
+
+    this.ws.onerror = (errorEvent) => {
+      this.emit('error', { 
+        type: 'error', 
+        error: new WebRTCError('WS_ERROR', 'WebSocket错误', true, new Error('WebSocket错误')) 
+      });
+    };
+
+    this.ws.onclose = (event) => {
+      this.ws = null;
+      if (!this.isUserDisconnecting) {
+        this.handleReconnect();
+      }
+      this.emit('disconnected', { 
+        type: 'disconnected', 
+        reason: `WebSocket关闭: ${event.code} - ${event.reason}` 
+      });
+    };
+  }
+
+  private handleReconnect(): void {
+    if (this.reconnectCount >= this.config.reconnectAttempts!) {
+      this.emit('error', { 
+        type: 'error', 
+        error: new WebRTCError('WS_RECONNECT_FAILED', '重连失败，已达最大重试次数', false) 
+      });
+      return;
+    }
+
+    const delay = this.config.reconnectDelay! * Math.pow(2, this.reconnectCount);
+    this.reconnectCount++;
+
+    console.log(`WebSocket重连中... (${this.reconnectCount}/${this.config.reconnectAttempts})，延迟: ${delay}ms`);
+    
+    this.reconnectTimer = setTimeout(() => {
+      this.emit('retry', { type: 'retry' });
+      this.connect().catch(error => {
+        console.error('WebSocket重连失败:', error);
+      });
+    }, delay);
+  }
+
+  send(message: WebSocketMessage): boolean {
+    if (!this.isConnected()) {
+      this.messageQueue.push(message);
+      return false;
+    }
+
+    try {
+      this.ws!.send(JSON.stringify(message));
+      return true;
+    } catch (error) {
+      console.error('发送WebSocket消息失败:', error);
+      this.emit('error', { 
+        type: 'error', 
+        error: new WebRTCError('WS_SEND_ERROR', '发送消息失败', true, error as Error) 
+      });
+      return false;
+    }
+  }
+
+  private flushMessageQueue(): void {
+    while (this.messageQueue.length > 0) {
+      const message = this.messageQueue.shift();
+      if (message) {
+        this.send(message);
+      }
+    }
+  }
+
+  disconnect(): void {
+    this.isUserDisconnecting = true;
+    
+    if (this.reconnectTimer) {
+      clearTimeout(this.reconnectTimer);
+      this.reconnectTimer = null;
+    }
+
+    if (this.ws) {
+      this.ws.close(1000, '用户主动断开');
+      this.ws = null;
+    }
+
+    this.messageQueue = [];
+    this.isConnecting = false;
+  }
+
+  isConnected(): boolean {
+    return this.ws !== null && this.ws.readyState === WebSocket.OPEN;
+  }
+
+  isConnectingState(): boolean {
+    return this.isConnecting;
+  }
+
+  on(event: string, handler: EventHandler<ConnectionEvent>): this {
+    return super.on(event, handler);
+  }
+
+  emit(eventName: string, event?: ConnectionEvent): boolean {
+    return super.emit(eventName, event);
+  }
+}

chuan-next/src/hooks/webrtc/index.ts

@@ -0,0 +1,7 @@
+// WebRTC核心功能
+export * from './DataChannelManager';
+export * from './MessageRouter';
+export * from './PeerConnectionManager';
+export * from './WebRTCManager';
+export * from './WebSocketManager';
+export * from './types';

chuan-next/src/hooks/webrtc/types.ts

@@ -0,0 +1,58 @@
+// WebRTC 核心类型定义
+
+// 基础连接状态
+export interface WebRTCConnectionState {
+  isConnected: boolean;
+  isConnecting: boolean;
+  isWebSocketConnected: boolean;
+  isPeerConnected: boolean;
+  error: string | null;
+  canRetry: boolean;
+  currentRoom: { code: string; role: 'sender' | 'receiver' } | null;
+}
+
+// 消息类型
+export interface WebRTCMessage<T = any> {
+  type: string;
+  payload: T;
+  channel?: string;
+}
+
+// 消息处理器类型
+export type MessageHandler = (message: WebRTCMessage) => void;
+export type DataHandler = (data: ArrayBuffer) => void;
+
+// WebRTC 配置
+export interface WebRTCConfig {
+  iceServers: RTCIceServer[];
+  iceCandidatePoolSize: number;
+  chunkSize: number;
+  maxRetries: number;
+  retryDelay: number;
+  ackTimeout: number;
+}
+
+// 错误类型
+export class WebRTCError extends Error {
+  constructor(
+    public code: string,
+    message: string,
+    public retryable: boolean = false,
+    public cause?: Error
+  ) {
+    super(message);
+    this.name = 'WebRTCError';
+  }
+}
+
+// 连接事件
+export type ConnectionEvent = 
+  | { type: 'connecting' }
+  | { type: 'connected' }
+  | { type: 'disconnected'; reason?: string }
+  | { type: 'error'; error: WebRTCError }
+  | { type: 'retry' }
+  | { type: 'state-change'; state: Partial<WebRTCConnectionState> };
+
+// 事件处理器
+export type EventHandler<T extends ConnectionEvent> = (event: T) => void;

chuan-next/src/lib/client-api.ts

@@ -11,23 +11,6 @@ interface ApiResponse {
   data?: unknown;
 }
 
-interface CreateRoomData {
-  type?: string;
-  content?: string;
-  password?: string;
-}
-
-interface CreateTextRoomData {
-  type: string;
-  content: string;
-  password?: string;
-}
-
-interface UpdateFilesData {
-  roomId: string;
-  files: File[];
-}
-
 export class ClientAPI {
   private baseUrl: string;
 
@@ -94,20 +77,10 @@ export class ClientAPI {
   }
 
   /**
-   * 创建房间（统一接口）
+   * 创建房间（简化版本）- 后端会忽略传入的参数
    */
-  async createRoom(data: CreateRoomData): Promise<ApiResponse> {
-    return this.post('/api/create-room', data);
-  }
-
-  /**
-   * 创建文本房间
-   */
-  async createTextRoom(content: string): Promise<ApiResponse> {
-    return this.post('/api/create-room', {
-      type: 'text',
-      content: content
-    });
+  async createRoom(): Promise<ApiResponse> {
+    return this.post('/api/create-room', {});
   }
 
   /**
@@ -140,13 +113,6 @@ export class ClientAPI {
   async getWebRTCRoomStatus(code: string): Promise<ApiResponse> {
     return this.get(`/api/webrtc-room-status?code=${code}`);
   }
-
-  /**
-   * 更新文件
-   */
-  async updateFiles(data: UpdateFilesData): Promise<ApiResponse> {
-    return this.post('/api/update-files', data);
-  }
 }
 
 // 导出单例实例

chuan-next/src/lib/webrtc-support.ts

@@ -0,0 +1,161 @@
+/**
+ * WebRTC 浏览器支持检测工具
+ */
+
+export interface WebRTCSupport {
+  isSupported: boolean;
+  missing: string[];
+  details: {
+    rtcPeerConnection: boolean;
+    dataChannel: boolean;
+  };
+}
+
+/**
+ * 检测浏览器是否支持WebRTC及其相关功能
+ */
+export function detectWebRTCSupport(): WebRTCSupport {
+  const missing: string[] = [];
+  const details = {
+    rtcPeerConnection: false,
+    getUserMedia: false,
+    getDisplayMedia: false,
+    dataChannel: false,
+  };
+
+  // 检测 RTCPeerConnection
+  if (typeof RTCPeerConnection !== 'undefined') {
+    details.rtcPeerConnection = true;
+  } else {
+    missing.push('RTCPeerConnection');
+  }
+
+
+
+  // 检测 DataChannel 支持
+  try {
+    if (typeof RTCPeerConnection !== 'undefined') {
+      const pc = new RTCPeerConnection();
+      const dc = pc.createDataChannel('test');
+      if (dc) {
+        details.dataChannel = true;
+      }
+      pc.close();
+    }
+  } catch (error) {
+    missing.push('DataChannel');
+  }
+
+  const isSupported = missing.length === 0;
+
+  return {
+    isSupported,
+    missing,
+    details,
+  };
+}
+
+/**
+ * 获取浏览器信息
+ */
+export function getBrowserInfo(): {
+  name: string;
+  version: string;
+  isSupported: boolean;
+  recommendations?: string[];
+} {
+  const userAgent = navigator.userAgent;
+  let browserName = 'Unknown';
+  let version = 'Unknown';
+  let isSupported = true;
+  const recommendations: string[] = [];
+
+  // Chrome
+  if (/Chrome/.test(userAgent) && !/Edg/.test(userAgent)) {
+    browserName = 'Chrome';
+    const match = userAgent.match(/Chrome\/(\d+)/);
+    version = match ? match[1] : 'Unknown';
+    isSupported = parseInt(version) >= 23;
+    if (!isSupported) {
+      recommendations.push('请升级到 Chrome 23 或更新版本');
+    }
+  }
+  // Firefox
+  else if (/Firefox/.test(userAgent)) {
+    browserName = 'Firefox';
+    const match = userAgent.match(/Firefox\/(\d+)/);
+    version = match ? match[1] : 'Unknown';
+    isSupported = parseInt(version) >= 22;
+    if (!isSupported) {
+      recommendations.push('请升级到 Firefox 22 或更新版本');
+    }
+  }
+  // Safari
+  else if (/Safari/.test(userAgent) && !/Chrome/.test(userAgent)) {
+    browserName = 'Safari';
+    const match = userAgent.match(/Version\/(\d+)/);
+    version = match ? match[1] : 'Unknown';
+    isSupported = parseInt(version) >= 11;
+    if (!isSupported) {
+      recommendations.push('请升级到 Safari 11 或更新版本');
+    }
+  }
+  // Edge
+  else if (/Edg/.test(userAgent)) {
+    browserName = 'Edge';
+    const match = userAgent.match(/Edg\/(\d+)/);
+    version = match ? match[1] : 'Unknown';
+    isSupported = parseInt(version) >= 12;
+    if (!isSupported) {
+      recommendations.push('请升级到 Edge 12 或更新版本');
+    }
+  }
+  // Internet Explorer
+  else if (/MSIE|Trident/.test(userAgent)) {
+    browserName = 'Internet Explorer';
+    isSupported = false;
+    recommendations.push(
+      '请使用现代浏览器，如 Chrome、Firefox、Safari 或 Edge',
+      'Internet Explorer 不支持 WebRTC'
+    );
+  }
+
+  return {
+    name: browserName,
+    version,
+    isSupported,
+    recommendations: recommendations.length > 0 ? recommendations : undefined,
+  };
+}
+
+/**
+ * 获取推荐的浏览器列表
+ */
+export function getRecommendedBrowsers(): Array<{
+  name: string;
+  minVersion: string;
+  downloadUrl: string;
+}> {
+  return [
+    {
+      name: 'Google Chrome',
+      minVersion: '23+',
+      downloadUrl: 'https://www.google.com/chrome/',
+    },
+    {
+      name: 'Mozilla Firefox',
+      minVersion: '22+',
+      downloadUrl: 'https://www.mozilla.org/firefox/',
+    },
+    {
+      name: 'Safari',
+      minVersion: '11+',
+      downloadUrl: 'https://www.apple.com/safari/',
+    },
+    {
+      name: 'Microsoft Edge',
+      minVersion: '12+',
+      downloadUrl: 'https://www.microsoft.com/edge',
+    },
+  ];
+}

docker-compose.yml

@@ -0,0 +1,23 @@
+version: '3.8'
+
+services:
+  file-transfer-go:
+    build: .
+    ports:
+      - "8080:8080"
+    environment:
+      - NODE_ENV=production
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:8080"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+
+  # 可选：使用已发布的镜像
+  # file-transfer-go: 
+  #   image: matrixseven/file-transfer:latest
+  #   ports:
+  #     - "8080:8080"
+  #   restart: unless-stopped

docker-release.sh

@@ -0,0 +1,163 @@
+#!/bin/bash
+
+# ==============================================
+# Docker 发布脚本
+# 支持单架构和多架构构建
+# ==============================================
+
+set -e
+
+# 颜色定义
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+PURPLE='\033[0;35m'
+NC='\033[0m'
+
+# 配置
+DOCKER_HUB_USER=${DOCKER_HUB_USER:-"matrixseven"}  # 替换为你的 Docker Hub 用户名
+REPO_NAME="file-transfer-go"
+IMAGE_NAME="${DOCKER_HUB_USER}/${REPO_NAME}"
+VERSION="v1.0.5"
+
+print_header() {
+    echo -e "${PURPLE}========================================${NC}"
+    echo -e "${PURPLE}🐳 $1${NC}"
+    echo -e "${PURPLE}========================================${NC}"
+}
+
+print_success() {
+    echo -e "${GREEN}✅ $1${NC}"
+}
+
+print_info() {
+    echo -e "${BLUE}ℹ️  $1${NC}"
+}
+
+# 检查 Docker 是否支持多架构构建
+check_multiarch_support() {
+    if command -v docker buildx >/dev/null 2>&1; then
+        echo "true"
+    else
+        echo "false"
+    fi
+}
+
+# 登录 Docker Hub
+docker_login() {
+    print_info "登录 Docker Hub..."
+    if ! docker info | grep -q "Username: ${DOCKER_HUB_USER}"; then
+        echo -e "${YELLOW}请输入 Docker Hub 登录信息:${NC}"
+        docker login
+    else
+        print_success "已登录 Docker Hub"
+    fi
+}
+
+# 推送镜像到 Docker Hub
+push_to_dockerhub() {
+    print_info "推送镜像到 Docker Hub..."
+    docker push "${IMAGE_NAME}:${VERSION}"
+    docker push "${IMAGE_NAME}:latest"
+    print_success "镜像推送完成"
+}
+
+# 单架构构建（当前方法）
+build_single_arch() {
+    print_header "单架构 Docker 镜像构建"
+    
+    print_info "构建镜像: ${IMAGE_NAME}:${VERSION}"
+    docker build -t "${IMAGE_NAME}:${VERSION}" -t "${IMAGE_NAME}:latest" .
+    
+    print_success "单架构镜像构建完成"
+    docker images "${IMAGE_NAME}"
+}
+
+# 多架构构建（需要 buildx）
+build_multiarch() {
+    print_header "多架构 Docker 镜像构建"
+    
+    print_info "创建 buildx builder"
+    docker buildx create --name multiarch --use 2>/dev/null || true
+    docker buildx inspect --bootstrap
+    
+    print_info "构建多架构镜像: linux/amd64,linux/arm64"
+    docker buildx build \
+        --platform linux/amd64,linux/arm64 \
+        -t "${IMAGE_NAME}:${VERSION}" \
+        -t "${IMAGE_NAME}:latest" \
+        --push \
+        .
+    
+    print_success "多架构镜像构建并推送完成"
+}
+
+# 显示使用说明
+show_usage() {
+    print_header "Docker 镜像使用说明"
+    
+    echo -e "${GREEN}🚀 运行镜像:${NC}"
+    echo "   docker run -d -p 8080:8080 ${IMAGE_NAME}:${VERSION}"
+    echo ""
+    
+    echo -e "${GREEN}📦 镜像信息:${NC}"
+    echo "   - Docker Hub: https://hub.docker.com/r/${DOCKER_HUB_USER}/${REPO_NAME}"
+    echo "   - 版本: ${VERSION}"
+    echo "   - 大小: ~16MB"
+    echo "   - 架构: $(check_multiarch_support && echo "amd64, arm64" || echo "amd64")"
+    echo "   - 基础镜像: alpine:3.18"
+    echo ""
+    
+    echo -e "${GREEN}🌟 特性:${NC}"
+    echo "   ✅ 静态编译，无外部依赖"
+    echo "   ✅ 前端文件完全嵌入"
+    echo "   ✅ 多平台文件传输支持"
+    echo "   ✅ WebRTC P2P 连接"
+    echo "   ✅ 桌面共享功能"
+    echo ""
+}
+
+# 主函数
+main() {
+    # 登录 Docker Hub
+    docker_login
+    
+    case "${1:-single}" in
+        "multi")
+            if [ "$(check_multiarch_support)" = "true" ]; then
+                build_multiarch  # 多架构构建会自动推送
+            else
+                echo -e "${RED}❌ Docker buildx 不可用，回退到单架构构建${NC}"
+                build_single_arch
+                push_to_dockerhub
+            fi
+            ;;
+        "single"|*)
+            build_single_arch
+            push_to_dockerhub
+            ;;
+    esac
+    
+    show_usage
+}
+
+# 检查参数
+if [ "$1" = "--help" ] || [ "$1" = "-h" ]; then
+    echo "用法: $0 [single|multi]"
+    echo ""
+    echo "  single    构建单架构镜像并推送到 Docker Hub (默认，amd64)"
+    echo "  multi     构建多架构镜像并推送到 Docker Hub (amd64, arm64)"
+    echo ""
+    echo "环境变量:"
+    echo "  DOCKER_HUB_USER    Docker Hub 用户名 (默认: matrixseven)"
+    echo ""
+    echo "示例:"
+    echo "  $0 single          # 单架构构建"
+    echo "  $0 multi           # 多架构构建"
+    echo "  DOCKER_HUB_USER=yourname $0 single  # 指定用户名"
+    echo ""
+    exit 0
+fi
+
+main "$@"

internal/handlers/handlers.go

@@ -23,7 +23,7 @@ func (h *Handler) HandleWebRTCWebSocket(w http.ResponseWriter, r *http.Request)
 	h.webrtcService.HandleWebSocket(w, r)
 }
 
-// CreateRoomHandler 创建房间API
+// CreateRoomHandler 创建房间API - 简化版本，不处理无用参数
 func (h *Handler) CreateRoomHandler(w http.ResponseWriter, r *http.Request) {
 	// 设置响应为JSON格式
 	w.Header().Set("Content-Type", "application/json")
@@ -36,7 +36,7 @@ func (h *Handler) CreateRoomHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// 创建新房间
+	// 创建新房间（忽略请求体中的无用参数）
 	code := h.webrtcService.CreateNewRoom()
 	log.Printf("创建房间成功: %s", code)
 

internal/services/webrtc_service.go

@@ -76,6 +76,34 @@ func (ws *WebRTCService) HandleWebSocket(w http.ResponseWriter, r *http.Request)
 
 	if code == "" || (role != "sender" && role != "receiver") {
 		log.Printf("WebRTC连接参数无效: code=%s, role=%s", code, role)
+		conn.WriteJSON(map[string]interface{}{
+			"type":    "error",
+			"message": "连接参数无效",
+		})
+		return
+	}
+
+	// 验证房间是否存在
+	ws.roomsMux.RLock()
+	room := ws.rooms[code]
+	ws.roomsMux.RUnlock()
+
+	if room == nil {
+		log.Printf("房间不存在: %s", code)
+		conn.WriteJSON(map[string]interface{}{
+			"type":    "error",
+			"message": "房间不存在或已过期",
+		})
+		return
+	}
+
+	// 检查房间是否已过期
+	if time.Now().After(room.ExpiresAt) {
+		log.Printf("房间已过期: %s", code)
+		conn.WriteJSON(map[string]interface{}{
+			"type":    "error",
+			"message": "房间已过期",
+		})
 		return
 	}
 
@@ -127,13 +155,8 @@ func (ws *WebRTCService) addClientToRoom(code string, client *WebRTCClient) {
 
 	room := ws.rooms[code]
 	if room == nil {
-		room = &WebRTCRoom{
-			Code:      code,
-			CreatedAt: time.Now(),
-			ExpiresAt: time.Now().Add(time.Hour), // 1小时后过期
-		}
-		ws.rooms[code] = room
-		log.Printf("自动创建WebRTC房间: %s", code)
+		log.Printf("尝试加入不存在的WebRTC房间: %s", code)
+		return
 	}
 
 	if client.Role == "sender" {
@@ -253,19 +276,39 @@ func (ws *WebRTCService) CreateRoom(code string) {
 	}
 }
 
-// CreateNewRoom 创建新房间并返回房间码
+// CreateNewRoom 创建新房间并返回房间码 - 确保不重复
 func (ws *WebRTCService) CreateNewRoom() string {
-	code := ws.generatePickupCode()
+	var code string
+
+	// 生成唯一房间码，确保不重复
+	for {
+		code = ws.generatePickupCode()
+		ws.roomsMux.RLock()
+		_, exists := ws.rooms[code]
+		ws.roomsMux.RUnlock()
+
+		if !exists {
+			break // 找到了不重复的代码
+		}
+		// 如果重复了，继续生成新的
+	}
+
 	ws.CreateRoom(code)
 	return code
 }
 
-// generatePickupCode 生成6位取件码
+// generatePickupCode 生成6位取件码 - 统一规则：只使用大写字母和数字，排除0和O避免混淆
 func (ws *WebRTCService) generatePickupCode() string {
+	// 只使用大写字母和数字，排除容易混淆的字符：数字0和字母O
+	chars := "123456789ABCDEFGHIJKLMNPQRSTUVWXYZ"
 	source := rand.NewSource(time.Now().UnixNano())
 	rng := rand.New(source)
-	code := rng.Intn(900000) + 100000
-	return fmt.Sprintf("%d", code)
+
+	result := make([]byte, 6)
+	for i := 0; i < 6; i++ {
+		result[i] = chars[rng.Intn(len(chars))]
+	}
+	return string(result)
 }
 
 // cleanupExpiredRooms 定期清理过期房间