go语言-httpServer

package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"log"
	"net/http"
)

func main() {
	//设置路由规则
	http.HandleFunc("/", handlePostForm)

	//使用默认的DefaultServeMux
	//err := http.ListenAndServe(":45678", nil)
	err := http.ListenAndServe(":8102", nil)
	//err := http.ListenAndServe(":8707", nil)
	if err != nil {
		log.Fatal(err)
	}
}

func handlePostForm(writer http.ResponseWriter, request *http.Request) {

	fmt.Println(request.Method)

	buf := bytes.NewBuffer(make([]byte, 0, 512))
	length, _ := buf.ReadFrom(request.Body)
	fmt.Println(string(buf.Bytes()))
	fmt.Println(length)


	type sendMsg struct {
		Code    string `json:"code"`
		Message  string `json:"message"`
		Data struct
		{
			Message  string `json:"message"`
		}`json:"data"`

	}
	var sendBodyMsg sendMsg
	sendBodyMsg.Code = "200"
	sendBodyMsg.Message = "ok"
	sendBodyMsg.Data.Message = "success"


	bt, _ := json.Marshal(sendBodyMsg)

	//body := ioutil.NopCloser(strings.NewReader(string(bt)))
	io.WriteString(writer, string(bt))
	//io.WriteString(w,"123456")
}