/// <summary>
        /// 功能: 模板消息推送
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public string ModelMessageSend(string data) 
        {
            CancelView();

            string url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=" + AccessToken;

            string result = RequestPost(data, url);

            if (result.Contains("ok"))
            {
                return "OK";
            }
            else {
                return "result";
            }
        }    

　　　　　/// <summary>
        /// 功能: 模拟Post请求
        /// </summary>
        /// <param name="postData">json</param>
        /// <param name="url">url</param>
        /// <returns></returns>
        public string RequestPost(string postData, string url)
        {
            byte[] data = Encoding.UTF8.GetBytes(postData);
            
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "Post";
            request.ContentType = "application/json";
            request.ContentLength = data.Length;
            request.KeepAlive = true;

            Stream stream = request.GetRequestStream();
            stream.Write(data, 0, data.Length);

            HttpWebResponse response;
            try
            {
                response = (HttpWebResponse)request.GetResponse();
            }
            catch (WebException ex)
            {
                response = (HttpWebResponse)ex.Response;
            }

            StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
            string content = reader.ReadToEnd();

            request.Abort();
            response.Close();
            reader.Dispose();
            stream.Close();
            stream.Dispose();
            
            return content;
        }