.net MVC 微信公众号 点击菜单拉取消息时的事件推送

public void MenuEventHandle()
        {
            #region 验证Token 此块代码只在启用服务器配置时执行一次验证token令牌，服务器配置启用之后可以删掉块内代码，相关代码请看验证微信签名那一篇
            string echoStr = Request.QueryString["echoStr"];
            string signature = Request.QueryString["signature"];
            string timestamp = Request.QueryString["timestamp"];
            string nonce = Request.QueryString["nonce"];
            Log.logmsg("测试输出: echoStr = " + echoStr);
            Log.logmsg("测试输出: signature = " + signature);
            Log.logmsg("测试输出: timestamp = " + timestamp);
            Log.logmsg("测试输出: nonce = " + nonce);

            if (AdminUtil.CheckSignature("基本设置中的Token令牌", signature, timestamp, nonce) && !string.IsNullOrEmpty(echoStr))
            {
                Response.Write(echoStr);
                Response.End();
            }
            #endregion
            Log.logmsg("开始执行按钮事件");

            string postString = string.Empty;
            if (HttpContext.Request.HttpMethod.ToUpper() == "POST")
            {
                using (Stream stream = HttpContext.Request.InputStream)
                {
                    //获取微信提交过来的参数
                    Byte[] postBytes = new Byte[stream.Length];
                    stream.Read(postBytes, 0, (Int32)stream.Length);
                    postString = Encoding.UTF8.GetString(postBytes);
                    //对其进行处理
                    AdminUtil.MenuMessage(postString);
                }
            }
        }

#region 处理应答消息
        /// <summary>
        /// 处理应答消息
        /// </summary>
        /// <param name="postStr">微信提交过来的参数</param>
        /// <returns></returns>
        public static string MenuMessage(string postStr)
        {
            string responseContent = "";
            XmlDocument xmldoc = new XmlDocument();
            xmldoc.Load(new System.IO.MemoryStream(System.Text.Encoding.GetEncoding("GB2312").GetBytes(postStr)));
            XmlNode MsgType = xmldoc.SelectSingleNode("/xml/MsgType");
            if (MsgType != null)
            {
                switch (MsgType.InnerText)
                {
                    case "event":
                        responseContent = WXApi.MenuEventHandle(xmldoc);//事件处理
                        break;
                    //case "text":
                    //    responseContent = TextHandle(xmldoc);//接受文本消息处理
                    //    break;
                    default:
                        break;
                }
            }
            return responseContent;
        }

        #endregion

 public static string MenuEventHandle(XmlDocument xmldoc)
        {
            string responseContent = "";
            XmlNode Event = xmldoc.SelectSingleNode("/xml/Event");//事件类型，CLICK
            XmlNode EventKey = xmldoc.SelectSingleNode("/xml/EventKey");//事件KEY值，与自定义菜单接口中KEY值对应
            XmlNode ToUserName = xmldoc.SelectSingleNode("/xml/ToUserName");//开发者微信号
            XmlNode FromUserName = xmldoc.SelectSingleNode("/xml/FromUserName");//发送方账号一个openid
            if (Event != null)
            {
                //菜单单击事件
                if (Event.InnerText.Equals("CLICK"))
                {
                    if (EventKey.InnerText.Equals("V1001_01"))//可以进行相关内容的实现，如发送自定义的动态消息
                    {
                        Log.logmsg("Event=" + Event + ";EventKey=" + EventKey + ";ToUserName=" + ToUserName + ";FromUserName=" + FromUserName + "。");
                        AdminUtil.SendNewsMsg(FromUserName.InnerText, "进度提醒", "描述！", "", "");
                    }
                }
            }           
            return responseContent;
        }