go的中间件

package main

import (
    "fmt"
    "github.com/gin-gonic/gin"
    "log"
    "net/http"
)

func middleware1() gin.HandlerFunc{
    return func (c *gin.Context){
        log.Print("middleware1-1")

        c.Next()

        log.Print("middleware1-2")
    }
}

func middleware2() gin.HandlerFunc{
    return func (c *gin.Context){
        log.Print("middleware2-1")

        c.Next()

        log.Print("middleware2-2")
    }
}

func get(c *gin.Context){
    fmt.Println("handel func")
    c.JSON(http.StatusOK,gin.H{"name":"zh"})
}

func main(){
    router:=gin.New()
    router.Use(middleware1())
    router.Use(middleware2())

    router.GET("/v1",get)

    router.Run("127.0.0.1:8888")
}

//输出
2019/07/15 17:19:50 middleware1-1
2019/07/15 17:19:50 middleware2-1
handel func
2019/07/15 17:19:50 middleware2-2
2019/07/15 17:19:50 middleware1-2