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;
   }
  }