v2.0

server/utility/convert/convert.go

@@ -0,0 +1,46 @@
+// Package convert
+// @Link  https://github.com/bufanyun/hotgo
+// @Copyright  Copyright (c) 2022 HotGo CLI
+// @Author  Ms <133814250@qq.com>
+// @License  https://github.com/bufanyun/hotgo/blob/master/LICENSE
+//
+package convert
+
+// UniqueSliceInt64 切片去重
+func UniqueSliceInt64(languages []int64) []int64 {
+	result := make([]int64, 0, len(languages))
+	temp := map[int64]struct{}{}
+	for _, item := range languages {
+		if _, ok := temp[item]; !ok { //如果字典中找不到元素，ok=false，!ok为true，就往切片中append元素。
+			temp[item] = struct{}{}
+			result = append(result, item)
+		}
+	}
+	return result
+}
+
+// InSliceInt64 元素是否存在于切片中
+func InSliceInt64(slice []int64, key int64) bool {
+	if len(slice) == 0 {
+		return false
+	}
+	for i := 0; i < len(slice); i++ {
+		if slice[i] == key {
+			return true
+		}
+	}
+	return false
+}
+
+// InSliceInt 元素是否存在于切片中
+func InSliceInt(slice []int, key int) bool {
+	if len(slice) == 0 {
+		return false
+	}
+	for i := 0; i < len(slice); i++ {
+		if slice[i] == key {
+			return true
+		}
+	}
+	return false
+}