3.2-handfunc2.go

//++++++++++++++++++++++++++++++++++++++++
// 《Go Web编程实战派从入门到精通》源码
//++++++++++++++++++++++++++++++++++++++++
// Author:廖显东（ShirDon）
// Blog:https://www.shirdon.com/
// 仓库地址：https://gitee.com/shirdonl/goWebActualCombat
// 仓库地址：https://github.com/shirdonl/goWebActualCombat
//++++++++++++++++++++++++++++++++++++++++

package main

import (
	"fmt"
	"log"
	"net/http"
)

func hi(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "Hi Web")
}

func main() {
	mux := http.NewServeMux()
	mux.HandleFunc("/", hi)

	server := &http.Server{
		Addr:    ":8081",
		Handler: mux,
	}

	if err := server.ListenAndServe(); err != nil {
		log.Fatal(err)
	}
}