package main

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

//第三个参数p是httprouter新增的
func CreateUser(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
	//io.WriteString(w, "create user")
	io.WriteString(w, p.ByName("user_name") + "\n")
	//如果没有的则不会输出
	io.WriteString(w, p.ByName("fffffff") + "\n")
	io.WriteString(w, p.ByName(("pwd")) + "\n")
}

//使用httprouter
func RegisterHandlers() *httprouter.Router {
	router := httprouter.New()
	router.GET("/user/:user_name/pwd/:pwd", CreateUser)
	return router
}

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

输出: