asp.net WeChat-Entwicklungs- und Entwicklerzugriffsfähigkeiten-WeChat-Entwicklung-php.cn

In diesem Artikel werden hauptsächlich die relevanten Inhalte des Entwicklerzugriffs in der WeChat-Entwicklung von asp.net vorgestellt.
Schauen Sie sich zunächst das Bild oben an, um zu sehen, welche Projekte erforderlich sind ausgeführt:
asp.net WeChat-Entwicklungs- und Entwicklerzugriffsfähigkeiten
Erstellen Sie eine Ashx-Datei (allgemeine Handlerdatei) im Stammverzeichnis des Projekts oder in einem bestimmten Ordner, wie in der Abbildung gezeigt
 public void ProcessRequest(HttpContext context)
 {
  context.Response.ContentType = "text/plain";
  
  string postString = string.Empty;
  if (HttpContext.Current.Request.HttpMethod.ToUpper() == "POST")
  {
  using (Stream stream = HttpContext.Current.Request.InputStream)
  {
   Byte[] postBytes = new Byte[stream.Length];
   stream.Read(postBytes, 0, (Int32)stream.Length);
   postString = Encoding.UTF8.GetString(postBytes);
  }

  if (!string.IsNullOrEmpty(postString))
  {
   ResponseXML(postString);//返回给微信用户信息
  }

  ///加载自定义菜单
  string postData = "{" + "\r\n";
  postData += "\"button\":[ " + "\r\n";
  postData += "{ " + "\r\n";
  postData += "\"name\":\"简单查\"," + "\r\n";
  postData += "\"sub_button\":[" + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"click\"," + "\r\n";
  postData += " \"name\":\"我的薪资\", " + "\r\n";
  postData += " \"key\":\"mypay\"" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"click\"," + "\r\n";
  postData += " \"name\":\"天气预报\", " + "\r\n";
  postData += " \"key\":\"tianqiyubao\"" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"view\"," + "\r\n";
  postData += " \"name\":\"火车票查询\", " + "\r\n";
  postData += " \"url\":\"http://www.deqiaohr.com.cn/*******.aspx\"" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"click\"," + "\r\n";
  postData += " \"name\":\"开心一刻\", " + "\r\n";
  postData += " \"key\":\"kaixinyixiao\"" + "\r\n";
  postData += " }]" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{" + "\r\n";
  postData += "\"name\":\"会员管理\", " + "\r\n";
  postData += "\"sub_button\":[" + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"view\"," + "\r\n";
  postData += " \"name\":\"会员注册\", " + "\r\n";
  postData += " \"url\":\"http://www.deqiaohr.com.cn/****.aspx\"" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"view\"," + "\r\n";
  postData += " \"name\":\"重置密码\", " + "\r\n";
  postData += " \"url\":\"http://www.deqiaohr.com.cn/****.aspx\"" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"click\"," + "\r\n";
  postData += " \"name\":\"修改资料\", " + "\r\n";
  postData += " \"key\":\"updateMessage\"" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"click\"," + "\r\n";
  postData += " \"name\":\"我的提问\", " + "\r\n";
  postData += " \"key\":\"mywen\"" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"click\"," + "\r\n";
  postData += " \"name\":\"联系客服\", " + "\r\n";
  postData += " \"key\":\"PhoneSerices\"" + "\r\n";
  postData += " }]" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{" + "\r\n";
  postData += "\"name\":\"活动通知\"," + "\r\n";
  postData += "\"sub_button\":[" + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"click\"," + "\r\n";
  postData += " \"name\":\"近期活动\", " + "\r\n";
  postData += " \"key\":\"yuangonghuodong\"" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"click\"," + "\r\n";
  postData += " \"name\":\"近期通知\", " + "\r\n";
  postData += " \"key\":\"yuangongtongzhi\"" + "\r\n";
  postData += "}," + "\r\n";
  postData += "{ " + "\r\n";
  postData += " \"type\":\"click\"," + "\r\n";
  postData += " \"name\":\"有问必答\", " + "\r\n";
  postData += " \"key\":\"youwenbida\"" + "\r\n";
  postData += " }]" + "\r\n";
  postData += "}]" + "\r\n";
  postData += "}" + "\r\n";

  //自定义菜单token的获取 是用 下面的两个参数 获取的 不能直接用 公众平台的token
  string to = GetAccessToken();
  //本人不喜欢 后台 json的操作 直接截取就可以了 得到的就是 token 或者 自己 获取 json的token
  to = to.Substring(17, to.Length - 37);
  //加载菜单
  string i = GetPage("https://api.weixin.qq.com/cgi-bin/menu/create?access_token=" + to, postData);

  }
  else
  {
  Auth(); //微信接入的测试
  }
  
 }

 

 /// <summary>
 /// 获取通行证
 /// </summary>
 /// <returns></returns>
 private string GetAccessToken()
 {
  string url_token = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=********&secret=*********";
  HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url_token);
  myRequest.Method = "GET";
  HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
  StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
  string content = reader.ReadToEnd();
  reader.Close();
  return content;
 }

 

 /// <summary>
 /// 加载菜单项
 /// </summary>
 /// <param name="p"></param>
 /// <param name="postData"></param>
 /// <returns></returns>
 private string GetPage(string p, string postData)
 {
  Stream outstream = null;
  Stream instream = null;
  StreamReader sr = null;
  HttpWebResponse response = null;
  HttpWebRequest request = null;
  Encoding encoding = Encoding.UTF8;
  byte[] data = encoding.GetBytes(postData);
  // 准备请求...
  try
  {
  // 设置参数
  request = WebRequest.Create(p) as HttpWebRequest;
  CookieContainer cookieContainer = new CookieContainer();
  request.CookieContainer = cookieContainer;
  request.AllowAutoRedirect = true;
  request.Method = "POST";
  request.ContentType = "application/x-www-form-urlencoded";
  request.ContentLength = data.Length;
  outstream = request.GetRequestStream();
  outstream.Write(data, 0, data.Length);
  outstream.Close();
  //发送请求并获取相应回应数据
  response = request.GetResponse() as HttpWebResponse;
  //直到request.GetResponse()程序才开始向目标网页发送Post请求
  instream = response.GetResponseStream();
  sr = new StreamReader(instream, encoding);
  //返回结果网页（html）代码
  string content = sr.ReadToEnd();
  string err = string.Empty;
  return content;
  }
  catch (Exception ex)
  {
  string err = ex.Message;
  return string.Empty;
  }
 }

 

 /// <summary>
 /// 获取参数进行认证
 /// </summary>
 private void Auth()
 {
  string token = "*****";//你申请的时候填写的Token

  string echoString = HttpContext.Current.Request.QueryString["echoStr"];
  string signature = HttpContext.Current.Request.QueryString["signature"];
  string timestamp = HttpContext.Current.Request.QueryString["timestamp"];
  string nonce = HttpContext.Current.Request.QueryString["nonce"];

  if (CheckSignature(token, signature, timestamp, nonce))
  {
  if (!string.IsNullOrEmpty(echoString))
  {
   HttpContext.Current.Response.Write(echoString);
   HttpContext.Current.Response.End();
  }
  }

 }
 /// <summary>
 /// 对微信传入参数进行封装到数组，拼接字符串，进行加密操作
 /// </summary>
 /// <param name="token"></param>
 /// <param name="signature"></param>
 /// <param name="timestamp"></param>
 /// <param name="nonce"></param>
 /// <returns></returns>
 private bool CheckSignature(string token, string signature, string timestamp, string nonce)
 {
  string[] ArrTmp = { token, timestamp, nonce };//将参数放进数组

  Array.Sort(ArrTmp);//对数组进行排序
  string tmpStr = string.Join("", ArrTmp);//将数组进行拼接
  ///对拼接后的字符串进行加密操作
  tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");
  //转换成小写形式
  tmpStr = tmpStr.ToLower();
  //比对成功返回
  if (tmpStr == signature)
  {
  return true;
  }
  else
  {
  return false;
  }
 }
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