/// <summary>

        /// 参数的Url请求

        /// </summary>

        /// <returns></returns>

        public static string Anlv_RequestPostService(string PostData, string Url)

        {

            try

            {

                //设置HttpWebRequest基本信息

                HttpWebRequest myReq = (HttpWebRequest)HttpWebRequest.Create(Url);

                myReq.AllowAutoRedirect = false;

                myReq.Method = "POST";

                myReq.ContentType = "application/x-www-form-urlencoded";

                myReq.KeepAlive = true;

                //把数组转换成流中所需字节数组类型

                Encoding code = Encoding.GetEncoding("UTF-8");

                byte[] bytesRequestData = code.GetBytes(PostData);

                //填充POST数据

                myReq.ContentLength = bytesRequestData.Length;

                Stream requestStream = myReq.GetRequestStream();

                requestStream.Write(bytesRequestData, , bytesRequestData.Length);

                requestStream.Close();

                //发送POST数据请求服务器

                HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();

                Stream myStream = HttpWResp.GetResponseStream();

                //获取服务器返回信息

                StreamReader reader = new StreamReader(myStream, code);

                StringBuilder responseData = new StringBuilder();

                String line;

                while ((line = reader.ReadLine()) != null)

                {

                    responseData.Append(line);

                }

                //释放

                myStream.Close();

                return responseData.ToString();

            }

            catch (Exception ex) { return ""; }

        }

/// <summary>

        /// 参数的Url请求

        /// </summary>

        /// <returns></returns>

        public static string RequestPostService(string PostData,string Url)

        {

            try

            {

                string XMLPostData="xml=" + PostData+ "";

                //设置HttpWebRequest基本信息

                HttpWebRequest myReq = (HttpWebRequest)HttpWebRequest.Create(Url);

                myReq.AllowAutoRedirect = false;

                myReq.Method = "POST";

                myReq.ContentType = "application/x-www-form-urlencoded";

                myReq.KeepAlive = true;

                //把数组转换成流中所需字节数组类型

                Encoding code = Encoding.GetEncoding("GBK");

                byte[] bytesRequestData = code.GetBytes(XMLPostData);

                //填充POST数据

                myReq.ContentLength = bytesRequestData.Length;

                Stream requestStream = myReq.GetRequestStream();

                requestStream.Write(bytesRequestData, , bytesRequestData.Length);

                requestStream.Close();

                //发送POST数据请求服务器

                HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();

                Stream myStream = HttpWResp.GetResponseStream();

                //获取服务器返回信息

                StreamReader reader = new StreamReader(myStream, code);

                StringBuilder responseData = new StringBuilder();

                String line;

                while ((line = reader.ReadLine()) != null)

                {

                    responseData.Append(line);

                }

                //释放

                myStream.Close();

                return responseData.ToString();

            }

            catch (Exception ex) { return ""; }

        }