private void ResponseRequest()
    {  //WXBizMsgCrypt 这个类是腾讯提供的，
下载地址是http://mp.weixin.qq.com/wiki/static/assets/a5a22f38cb60228cb32ab61d9e4c414b.zip //这里的构造函数我自己改写了，腾讯提供的构造函数需要提供三个参数的，具体请看微信提供的示例代码  
WXBizMsgCrypt wxcpt = new WXBizMsgCrypt(); string sReqMsgSig = Request["msg_signature"];  string sReqTimeStamp = Request["timestamp"]; string sReqNonce = Request["nonce"];  string sReqData = GetPost();

        LogTool.LogToDirDest(
filePath, LogType.Debug, string.Format("{1} 接收到的信息:{0}", sReqData, pageUrl)); string sMsg = ""; //解析之后的明文 int ret = 0;
       ret = wxcpt.DecryptMsg(sReqMsgSig, sReqTimeStamp, sReqNonce, sReqData, ref sMsg); if (ret != 0)
        {
       LogTool.LogToDirDest(filePath, LogType.Error, string.Format("{1} 解析出错:{0}", ret, pageUrl));

        } else {
  LogTool.LogToDirDest(filePath, LogType.Debug, string.Format("{1} 解析后的内容:{0}", sMsg, pageUrl));
 var xDoc = XDocument.Parse(sMsg);

 List<XElement> q = (from c in xDoc.Elements() select c).ToList();
 var infoType = q.Elements("InfoType").First().Value; switch (infoType)
  { case "component_verify_ticket": //q.Elements("ComponentVerifyTicket").First()  //这里就是component_verify_ticket的值，保存起来就可以了,处理完成后在页面上输出success,
通知微信服务器已经接收到ticket Response.Write("success");
          Response.End(); break; case "unauthorized": //当用户取消授权的时候，微信服务器也会向这个页面发送信息，
在这里做一下记录 LogTool.LogToDirDest(filePath, LogType.Debug, string.Format("{1} {0} 已取消授权", 
                                             q.Elements("AuthorizerAppid").First().Value, pageUrl));
          Response.End(); break; default: break;
            }
        }
    } 

 public string GtPost()
    { try {
         System.IO.Stream s = Request.InputStream; int count = 0; byte[] buffer = new byte[s.Length];
        StringBuilder builder = new StringBuilder(); while ((count = s.Read(buffer, 0, buffer.Length)) > 0)
            {
                builder.Append(Request.ContentEncoding.GetString(buffer, 0, count));
            }
            s.Flush();
            s.Close();
            s.Dispose(); return builder.ToString();
        } catch (Exception ex)
        { throw ex; }
    }

        /// <summary>  /// 获取第三方平台access_token  /// </summary>  /// <param name="component_appid"></param>  /// <param name="component_appsecret"></param>  /// <param name="component_verify_ticket"></param>  /// <returns></returns>  public static ResponseComponentToken Component_token(string component_verify_ticket)
        { var urlFormat = "https://api.weixin.qq.com/cgi-bin/component/api_component_token";
              object data = null;
            data = new {
                component_appid = Config.ServerAppID,
                component_appsecret = Config.ServerAppSecret,   
                component_verify_ticket = component_verify_ticket
            };
  return CommonJsonSend.Send<ResponseComponentToken>("", urlFormat, data, timeOut: Config.TIME_OUT);
        }