first commit

src/app/api/douban/route.ts

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+import { NextResponse } from 'next/server';
+
+import { getCacheTime } from '@/lib/config';
+import { fetchDoubanData } from '@/lib/douban';
+import { DoubanItem, DoubanResult } from '@/lib/types';
+
+interface DoubanApiResponse {
+  subjects: Array<{
+    id: string;
+    title: string;
+    cover: string;
+    rate: string;
+  }>;
+}
+
+export const runtime = 'edge';
+
+export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url);
+
+  // 获取参数
+  const type = searchParams.get('type');
+  const tag = searchParams.get('tag');
+  const pageSize = parseInt(searchParams.get('pageSize') || '16');
+  const pageStart = parseInt(searchParams.get('pageStart') || '0');
+
+  // 验证参数
+  if (!type || !tag) {
+    return NextResponse.json(
+      { error: '缺少必要参数: type 或 tag' },
+      { status: 400 }
+    );
+  }
+
+  if (!['tv', 'movie'].includes(type)) {
+    return NextResponse.json(
+      { error: 'type 参数必须是 tv 或 movie' },
+      { status: 400 }
+    );
+  }
+
+  if (pageSize < 1 || pageSize > 100) {
+    return NextResponse.json(
+      { error: 'pageSize 必须在 1-100 之间' },
+      { status: 400 }
+    );
+  }
+
+  if (pageStart < 0) {
+    return NextResponse.json(
+      { error: 'pageStart 不能小于 0' },
+      { status: 400 }
+    );
+  }
+
+  if (tag === 'top250') {
+    return handleTop250(pageStart);
+  }
+
+  const target = `https://movie.douban.com/j/search_subjects?type=${type}&tag=${tag}&sort=recommend&page_limit=${pageSize}&page_start=${pageStart}`;
+
+  try {
+    // 调用豆瓣 API
+    const doubanData = await fetchDoubanData<DoubanApiResponse>(target);
+
+    // 转换数据格式
+    const list: DoubanItem[] = doubanData.subjects.map((item) => ({
+      id: item.id,
+      title: item.title,
+      poster: item.cover,
+      rate: item.rate,
+      year: '',
+    }));
+
+    const response: DoubanResult = {
+      code: 200,
+      message: '获取成功',
+      list: list,
+    };
+
+    const cacheTime = await getCacheTime();
+    return NextResponse.json(response, {
+      headers: {
+        'Cache-Control': `public, max-age=${cacheTime}, s-maxage=${cacheTime}`,
+        'CDN-Cache-Control': `public, s-maxage=${cacheTime}`,
+        'Vercel-CDN-Cache-Control': `public, s-maxage=${cacheTime}`,
+        'Netlify-Vary': 'query',
+      },
+    });
+  } catch (error) {
+    return NextResponse.json(
+      { error: '获取豆瓣数据失败', details: (error as Error).message },
+      { status: 500 }
+    );
+  }
+}
+
+function handleTop250(pageStart: number) {
+  const target = `https://movie.douban.com/top250?start=${pageStart}&filter=`;
+
+  // 直接使用 fetch 获取 HTML 页面
+  const controller = new AbortController();
+  const timeoutId = setTimeout(() => controller.abort(), 10000);
+
+  const fetchOptions = {
+    signal: controller.signal,
+    headers: {
+      'User-Agent':
+        'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36',
+      Referer: 'https://movie.douban.com/',
+      Accept:
+        'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
+    },
+  };
+
+  return fetch(target, fetchOptions)
+    .then(async (fetchResponse) => {
+      clearTimeout(timeoutId);
+
+      if (!fetchResponse.ok) {
+        throw new Error(`HTTP error! Status: ${fetchResponse.status}`);
+      }
+
+      // 获取 HTML 内容
+      const html = await fetchResponse.text();
+
+      // 通过正则同时捕获影片 id、标题、封面以及评分
+      const moviePattern =
+        /<div class="item">[\s\S]*?<a[^>]+href="https?:\/\/movie\.douban\.com\/subject\/(\d+)\/"[\s\S]*?<img[^>]+alt="([^"]+)"[^>]*src="([^"]+)"[\s\S]*?<span class="rating_num"[^>]*>([^<]*)<\/span>[\s\S]*?<\/div>/g;
+      const movies: DoubanItem[] = [];
+      let match;
+
+      while ((match = moviePattern.exec(html)) !== null) {
+        const id = match[1];
+        const title = match[2];
+        const cover = match[3];
+        const rate = match[4] || '';
+
+        // 处理图片 URL，确保使用 HTTPS
+        const processedCover = cover.replace(/^http:/, 'https:');
+
+        movies.push({
+          id: id,
+          title: title,
+          poster: processedCover,
+          rate: rate,
+          year: '',
+        });
+      }
+
+      const apiResponse: DoubanResult = {
+        code: 200,
+        message: '获取成功',
+        list: movies,
+      };
+
+      const cacheTime = await getCacheTime();
+      return NextResponse.json(apiResponse, {
+        headers: {
+          'Cache-Control': `public, max-age=${cacheTime}, s-maxage=${cacheTime}`,
+          'CDN-Cache-Control': `public, s-maxage=${cacheTime}`,
+          'Vercel-CDN-Cache-Control': `public, s-maxage=${cacheTime}`,
+          'Netlify-Vary': 'query',
+        },
+      });
+    })
+    .catch((error) => {
+      clearTimeout(timeoutId);
+      return NextResponse.json(
+        {
+          error: '获取豆瓣 Top250 数据失败',
+          details: (error as Error).message,
+        },
+        { status: 500 }
+      );
+    });
+}