37 lines
991 B
Go
37 lines
991 B
Go
// Package middleware 提供HTTP中间件
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package middleware
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import (
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"github.com/gin-gonic/gin"
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)
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// CORS 跨域资源共享中间件
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func CORS() gin.HandlerFunc {
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return func(c *gin.Context) {
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c.Header("Access-Control-Allow-Origin", "*")
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c.Header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
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c.Header("Access-Control-Allow-Headers", "Origin, Content-Type, Authorization, X-Requested-With")
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c.Header("Access-Control-Expose-Headers", "Content-Length, Content-Type")
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c.Header("Access-Control-Max-Age", "86400")
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if c.Request.Method == "OPTIONS" {
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c.AbortWithStatus(204)
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return
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}
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c.Next()
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}
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}
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// UTF8ContentType 确保JSON响应使用UTF-8编码
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func UTF8ContentType() gin.HandlerFunc {
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return func(c *gin.Context) {
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c.Next()
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// 为JSON响应添加charset
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contentType := c.Writer.Header().Get("Content-Type")
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if contentType == "application/json" {
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c.Writer.Header().Set("Content-Type", "application/json; charset=utf-8")
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}
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}
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}
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