本文共 1582 字，大约阅读时间需要 5 分钟。

server端：

package main

import (

  "net/http"   "fmt"   "io/ioutil" )

func IndexHandler(w http.ResponseWriter, req *http.Request) {

  fmt.Println("-------------------")

  fmt.Println(w, "hello world")

  body, err := ioutil.ReadAll(req.Body)   if err != nil {     fmt.Println("read all error")     return   }   fmt.Println(">>", string(body))

}

func main() {

  http.HandleFunc("/", IndexHandler)

  fmt.Println("start")   err := http.ListenAndServe("127.0.0.1:19988", nil)   if err != nil {     fmt.Println("err:", err)     return   }  fmt.Println("end") }  

client端：

package main

import (

  "fmt"   "net/http"   "time"   "net"   "encoding/json"   "strings" )

func main() {

    connTimeout := 2*time.Millisecond

    readTimeout := 3*time.Millisecond

    client := http.Client{

        Transport: &http.Transport{             Dial: func(netw, addr string) (net.Conn, error) {                 c, err := net.DialTimeout("tcp4", addr, connTimeout)                 if err != nil {                     return nil, err                 }                 c.SetDeadline(time.Now().Add(readTimeout))                 return c, nil             },         },     }

    for i:=0; i<100; i++ {

        postParams := map[string]interface{}{"checksum": "1111111111111", "result": "penggetest"}         bytebody, _ := json.Marshal(postParams)         retbody := string(bytebody)

        req, err := http.NewRequest("POST", "http://127.0.0.1:19988/", strings.NewReader(retbody))

        if err != nil {             fmt.Println("new request err:", err)             return         }         headers := make(map[string]string)         for key, value := range headers {

            req.Header.Set(key, value)

        }         resp, reqErr := client.Do(req)         if reqErr != nil {             fmt.Println(" client do err:", reqErr)             return         }         defer resp.Body.Close()

        fmt.Println("code:", resp.StatusCode, "\nerr:", err)

        time.Sleep(2*time.Second)     } } 运行服务端：

运行客户端：

 

 

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