HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
            request.Headers.Add("UUID:"+GetNetworkAdpaterID());//,Content-Type:data/gzencode and rsa public encrypt;charset=UTF-8
            request.Headers.Add("ACCOUNT_TYPE:1 ");
            //request.Headers.Add("Content-Type:  data/gzencode and rsa public encrypt;charset=UTF-8");
            request.Method = "POST";
            request.ContentType = "data/gzencode and rsa public encrypt;charset=UTF-8";
            //request.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
            //request.ContentLength = postDataStr.Length;
            Stream myRequestStream = request.GetRequestStream();
            StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("utf-8"));
            myStreamWriter.Write(postDataStr);
            myStreamWriter.Close();
            #region 发送post请求到服务器并读取服务器返回信息
            Stream responseStream;
            try
            {
                responseStream = request.GetResponse().GetResponseStream();
            }
            catch (Exception e)
            {
                // log error
                Console.WriteLine(
                    string.Format("POST操作发生异常：{0}", e.Message)
                    );
                throw e;
            }
            #endregion

            #region 读取服务器返回信息
            string stringResponse = string.Empty;
            using (StreamReader responseReader =
                new StreamReader(responseStream, Encoding.GetEncoding("utf-8")))
            {
                stringResponse = responseReader.ReadToEnd();
            }
            responseStream.Close();
            #endregion
            return stringResponse;