Post提交

以下两种Post提交方法都可行

/// <summary>
        /// post 数据
        /// </summary>
        /// <param name="url"></param>
        /// <param name="Data"></param>
        /// <param name="result"></param>
        /// <returns></returns>
        public static bool PostData(string url, string Data, ref string result)
        {
            byte[] byteArray = Encoding.UTF8.GetBytes(Data);

            HttpWebRequest objWebRequest = (HttpWebRequest)WebRequest.Create(url);
            objWebRequest.Method = "POST";
            objWebRequest.ContentType = "application/x-www-form-urlencoded";
            objWebRequest.ContentLength = byteArray.Length;
            Stream newStream = objWebRequest.GetRequestStream();
            // Send the data.
            newStream.Write(byteArray, , byteArray.Length); //写入参数
            newStream.Close();
            HttpWebResponse response = (HttpWebResponse)objWebRequest.GetResponse();
            StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
            try
            {
                result = sr.ReadToEnd();// 返回的数据
                return true;
            }
            catch (Exception ex)
            {
                //TODO书写日志
                Log.Fatal("[" + DateTime.Now + "]订单数据Post至通关服务接口出现异常：" + ex.Message + "\r\n");
                return false;
            }
        } 

        /// <summary>
        /// post 数据
        /// </summary>
        /// <param name="url"></param>
        /// <param name="Data"></param>
        /// <param name="result"></param>
        /// <returns></returns>
        public static bool PostData(string url, string Data, ref string result)
        {
            System.Net.ServicePointManager.Expect100Continue = false;
            //string strsubmit = "YES";
            ASCIIEncoding encoding = new ASCIIEncoding();
            byte[] data = encoding.GetBytes(Data);

            // Prepare web request...
            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);

            myRequest.Method = "POST";
            myRequest.ContentType = "application/x-www-form-urlencoded";
            //  myRequest.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)";
            myRequest.ContentLength = data.Length;
            Stream newStream = null;
            newStream = myRequest.GetRequestStream();
            newStream.Write(data, , data.Length);
            newStream.Close();

            try
            {
                HttpWebResponse httpWebResponse = null;
                httpWebResponse = (HttpWebResponse)myRequest.GetResponse();
                StreamReader sr = new StreamReader(httpWebResponse.GetResponseStream());
                result = sr.ReadToEnd();// 返回的数据
            }
            catch
            {

            }
            return true;
        }