ASP.NET Post方式提交

 public static string SendMsg(string fxPhone, string fxPassword, string toPhone, string msg)

        {

            try

            {

                string url = "u=" + fxPhone + "&";

                url = url + "p=";

                url = url + fxPassword + "&";

                url = url + "to=";

                url = url + toPhone + "&";

                url = url + "m=" + msg;



                string formUrl = "http://quanapi.sinaapp.com/fetion.php";

                string formData = url;                               //提交的参数



                //注意提交的编码 这边是需要改变的 这边默认的是Default：系统当前编码

                byte[] postData = Encoding.UTF8.GetBytes(formData);



                // 设置提交的相关参数 

                HttpWebRequest request = WebRequest.Create(formUrl) as HttpWebRequest;

                Encoding myEncoding = Encoding.UTF8;

                request.Method = "POST";

                request.KeepAlive = false;

                request.AllowAutoRedirect = true;

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

                request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR  3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)";

                request.ContentLength = postData.Length;



                // 提交请求数据 

                System.IO.Stream outputStream = request.GetRequestStream();

                outputStream.Write(postData, 0, postData.Length);

                outputStream.Close();



                HttpWebResponse response;

                Stream responseStream;

                StreamReader reader;

                string srcString;

                response = request.GetResponse() as HttpWebResponse;

                responseStream = response.GetResponseStream();

                reader = new System.IO.StreamReader(responseStream, Encoding.GetEncoding("UTF-8"));

                srcString = reader.ReadToEnd();

                string result = srcString;   //返回值赋值

                reader.Close();

                return result;

            }

            catch

            {

                return "error";

            }

        }