新增排行榜服务

sysservice/rankservice/RankFunc.go

@@ -0,0 +1,52 @@
+package rankservice
+
+func transformLevel(level int32) interface{} {
+	switch level {
+	case 8:
+		return uint8(0)
+	case 16:
+		return uint16(0)
+	case 32:
+		return uint32(0)
+	case 64:
+		return uint64(0)
+	default:
+		return uint32(0)
+	}
+}
+
+func compareIsEqual(firstSortData, secondSortData []int64) bool {
+	firstLen := len(firstSortData)
+	if firstLen != len(secondSortData) {
+		return false
+	}
+
+	for i := firstLen - 1; i >= 0; i-- {
+		if firstSortData[i] != secondSortData[i] {
+			return false
+		}
+	}
+
+	return true
+}
+
+func compareMoreThan(firstSortData, secondSortData []int64) int {
+	firstLen := len(firstSortData)
+	secondLen := len(secondSortData)
+	minLen := firstLen
+	if firstLen > secondLen {
+		minLen = secondLen
+	}
+
+	for i := 0; i < minLen; i++ {
+		if firstSortData[i] > secondSortData[i] {
+			return 1
+		}
+
+		if firstSortData[i] < secondSortData[i] {
+			return -1
+		}
+	}
+
+	return 0
+}