golang中http编程

1. http server

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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) }

　　

2. http client

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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         }     }   }