method := c.Request.Method if method != "" { c.Header("Access-Control-Allow-Origin", "*") // 可将将 * 替换为指定的域名 c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE, UPDATE") c.Header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, Authorization") c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Cache-Control, Content-Language, Content-Type") c.Header("Access-Control-Allow-Credentials", "true") } if method == "OPTIONS" { c.AbortWithStatus(http.StatusNoContent) } return nil