Gin学习笔记--中间件

package main

import (
    "fmt"
    "github.com/gin-gonic/gin"
    "time"
)

func main() {
    engine := gin.Default()
    engine.Use(func(context *gin.Context) {
        s := time.Now()
        fmt.Println("Start middleware")
        context.Set("request", "Middleware")
        l := time.Now().Sub(s)
        fmt.Println("Time:", l)

    })
    engine.GET("/index", func(context *gin.Context) {
        content, exists := context.Get("reques")
        if !exists {
            content = "null"
        }
        context.JSON(200, gin.H{
            "request": content,
        })
    })
    engine.GET("/user", func(context *gin.Context) {
        content, exists := context.Get("request")
        if !exists {
            content = "null"
        }
        context.JSON(200, gin.H{
            "message": content,
        })
    })
    engine.Run("localhost:8080")
}