1.安装httprouter

go get github.com/julienschmidt/httprouter
手册

.代码

main.go

package main

import (
    "net/http"
    "github.com/julienschmidt/httprouter"
)

func RegisterHandlers() *httprouter.Router  {
    router := httprouter.New()

    router.POST("/user", CreateUser)

    router.POST("/user/:user_name", Login)
    return router
}

func main()  {
    registerHandler := RegisterHandlers()
    http.ListenAndServe(":8000", registerHandler)
}

Handlers.go

package main

import (
    "github.com/julienschmidt/httprouter"
    "net/http"
    "io"
)

func CreateUser(w http.ResponseWriter, r *http.Request, p httprouter.Params)  {
    io.WriteString(w, "create User Handler")
}

func Login(w http.ResponseWriter, r *http.Request, p httprouter.Params)  {
    userName := p.ByName("user_name")

    io.WriteString(w, userName)
}

3.测试

image.png image.png