package middleware import "github.com/gin-gonic/gin" func CrossSite(c *gin.Context) { c.Writer.Header().Set("Access-Control-Allow-Origin", "*") //服务器支持的所有跨域请求的方法 c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE,UPDATE") //允许跨域设置可以返回其他子段,可以自定义字段 c.Header("Access-Control-Allow-Headers", "Authorization, Content-Length, X-CSRF-Token, Token,session") // 允许浏览器(客户端)可以解析的头部 (重要) c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers") //允许客户端传递校验信息比如 cookie (重要) c.Header("Access-Control-Allow-Credentials", "true") c.Next() }