使用gin中间件,解决跨域问题
创建一个中间件 /middleware/CORESMiddleware.go
package middleware import ( "net/http" "github.com/gin-gonic/gin" ) func CORSMiddleware() gin.HandlerFunc { return func(ctx *gin.Context) { ctx.Writer.Header().Set("Access-Control-Allow-Origin", "*") //允许所有IP访问 ctx.Writer.Header().Set("Access-Control-Max-Age", "86400") ctx.Writer.Header().Set("Access-Control-Allow-Headers", "*") ctx.Writer.Header().Set("Access-Control-Allow-Credentials", "true") if ctx.Request.Method == http.MethodOptions { ctx.AbortWithStatus(200) } else { ctx.Next() } } }
把中间件添加到路由中去,重启程序
r.Use(middleware.CORSMiddleware(),****)