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2009-06-30

C#向网址Post提交二进制数据

时间: 2009-06-30 00:30:11 作者: admin 阅读次数: 446
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private string SendReq(string ReID,string sp_id, string dest_mobile, string fee_mobile, string service,string send_DeviceID)
        {
            string sReturn = "";
            try
            {
                string sURL = txtDsmp.Text;
                sURL = sURL.Trim();
                Uri Url = new Uri(sURL);
                HttpWebRequest hwReq = (HttpWebRequest)WebRequest.Create(sURL);
                hwReq.Method = "Post";
                hwReq.ContentType = "text/xml;charset=utf-8";
                hwReq.KeepAlive = false;
                //hwReq.CachePolicy.Level = System.Net.Cache.RequestCacheLevel.Default;
                hwReq.Timeout = 6000;
                
                StringBuilder xmlStr = new StringBuilder("<?xml version=\"1.0\" encoding=\"utf-8\" ?>");
                xmlStr.Append("<root>");
                xmlStr.Append("<name>");
                xmlStr.Append("username");
                xmlStr.Append("</name>");
                xmlStr.Append("</root>");
                StringBuilder postData = new StringBuilder(1000);
                postData.Append(xmlStr);
                hwReq.ContentLength = postData.ToString().Length;

                Stream _RequestStream = hwReq.GetRequestStream();
                _RequestStream.Write(Encoding.UTF8.GetBytes(postData.ToString()), 0, postData.ToString().Length);
                _RequestStream.Close();

                string strPost = "", strReceive = "";
                strPost=postData.ToString();

                HttpWebResponse hwResp = (HttpWebResponse)hwReq.GetResponse();
                StreamReader reader = new StreamReader(hwResp.GetResponseStream(), System.Text.Encoding.UTF8);
                while (reader != null && !reader.EndOfStream)
                {
                    string s = reader.ReadLine();
                    strReceive=s;
                }
                sReturn = strReceive;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                sReturn = "Error!";
            }
            return sReturn;
        }
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