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 GetPost()

    {

        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);

        }