package main

import (

	"fmt"

	"net/http"

)

func main() {

	// 请求url和对应处理函数

	http.HandleFunc("/hello", myHandleFunc)

	// 开启服务

	http.ListenAndServe("127.0.0.1:8080", nil)

}

func myHandleFunc(w http.ResponseWriter, r *http.Request) {

	fmt.Println(r.RemoteAddr, "链接成功")

	fmt.Println(r.Method, r.URL.Path)

	fmt.Println(r.Header)

	fmt.Println(r.Body)

	// 回复

	var buf = []byte("hello 马亚南, 这是服务器发送给你的消息")

	w.Write(buf)

}

package main

import (

	"fmt"

	"io"

	"net/http"

)

func main() {

	// http客户端

	resp, _ := http.Get("http://127.0.0.1:8080/hello")

	defer resp.Body.Close()

	fmt.Println(resp.Status)

	fmt.Println(resp.Header)

	buf := make([]byte, 1024)

	for {

		// 接收服务端消息

		n, err := resp.Body.Read(buf)

		if err != nil && err != io.EOF {

			fmt.Println(err)

			return

		} else {

			fmt.Println("读取完毕")

			ret := string(buf[:n])

			fmt.Println(ret)

			break

		}

	}

}