使用Go语言实现微信公众平台

这篇文章主要介绍了使用Go语言实现微信公众平台，虽然不是全部代码，但是也是给我们提供了一个非常好的思路,需要的朋友可以参考下

这个不是全部的代码哦，只是一个演示可以验证跟接受post传过来的消息并且能返回消息，中间的回复逻辑就待需要各位同志们自己写了哈

复制代码代码如下:
/*
*@go语言实现公众平台
*/
package main
import (
"crypto/sha1"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"sort"
"strings"
"time"
)
type Request struct {
ToUserName   string
FromUserName string
CreateTime   time.Duration
MsgType      string
Content      string
MsgId        int
}
type Response struct {
ToUserName   string `xml:"xml>ToUserName"`
FromUserName string `xml:"xml>FromUserName"`
CreateTime   string `xml:"xml>CreateTime"`
MsgType      string `xml:"xml>MsgType"`
Content      string `xml:"xml>Content"`
MsgId        int    `xml:"xml>MsgId"`
}
func str2sha1(data string) string {
t := sha1.New()
io.WriteString(t, data)
return fmt.Sprintf("%x", t.Sum(nil))
}
func action(w http.ResponseWriter, r *http.Request) {
postedMsg, err := ioutil.ReadAll(r.Body)
if err != nil {
  log.Fatal(err)
}
r.Body.Close()
v := Request{}
xml.Unmarshal(postedMsg, &v)
if v.MsgType == "text" {
  v := Request{v.ToUserName, v.FromUserName, v.CreateTime, v.MsgType, v.Content, v.MsgId}
  output, err := xml.MarshalIndent(v, " ", " ")
  if err != nil {
   fmt.Printf("error:%v\n", err)
  }
  fmt.Fprintf(w, string(output))
} else if v.MsgType == "event" {
  Content := `"欢迎关注
        我的微信"`
  v := Request{v.ToUserName, v.FromUserName, v.CreateTime, v.MsgType, Content, v.MsgId}
  output, err := xml.MarshalIndent(v, " ", " ")
  if err != nil {
   fmt.Printf("error:%v\n", err)
  }
  fmt.Fprintf(w, string(output))
}
}
func checkSignature(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
var token string = "你的token"
var signature string = strings.Join(r.Form["signature"], "")
var timestamp string = strings.Join(r.Form["timestamp"], "")
var nonce string = strings.Join(r.Form["nonce"], "")
var echostr string = strings.Join(r.Form["echostr"], "")
tmps := []string{token, timestamp, nonce}
sort.Strings(tmps)
tmpStr := tmps[0] + tmps[1] + tmps[2]
tmp := str2sha1(tmpStr)
if tmp == signature {
  fmt.Fprintf(w, echostr)
}
}
func main() {
http.HandleFunc("/check", checkSignature)
http.HandleFunc("/", action)
http.ListenAndServe(":8080", nil)
}