/// <summary>

     /// 移动公司的Mas短信接口

     /// </summary>

     public class MasSerVice

     {

         string userID = System.Configuration.ConfigurationManager.AppSettings["userID"].ToString();         //用户名

         string passWord = System.Configuration.ConfigurationManager.AppSettings["passWord"].ToString();     //密码

         string serviceID = System.Configuration.ConfigurationManager.AppSettings["ServiceID"].ToString();   //服务ID

         string postUrl = System.Configuration.ConfigurationManager.AppSettings["postUrl"].ToString();       //移动提供的Mas接口的Url

         /// <summary>

         /// 准备发送的XML字符串

         /// </summary>

         /// <param name="userID"></param>

         /// <param name="passWd"></param>

         /// <param name="mobileNo">手机号码，如果有多个号码，号码之间按逗号隔开，不超过100个</param>

         /// <param name="smsContent">短信内容</param>

         /// <returns></returns>

         public string PrepareXml(string MobileNo, string smsContent)

         {

             string str = String.Format("<?xml version=\"1.0\" encoding=\"GB2312\"?>" +

                                             "<svc_init ver=\"2.0.0\">" +

                                             "<sms ver=\"2.0.0\">" +

                                             @"<client>

                                             <id>{0}</id>

                                             <pwd>{1}</pwd>

                                             <serviceid>{2}</serviceid>

                                             </client>

                                             <sms_info>

                                             <phone>{3}</phone>

                                             <content>{4}</content>

                                             </sms_info>

                                             </sms>

                                             </svc_init>", userID, passWord, serviceID, MobileNo, smsContent);

             return str;

         }

         /// <summary>

         /// 发送短信

         /// </summary>

         /// <param name="mobileNo">手机号码，如果有多个号码，号码之间按逗号隔开，不超过100个</param>

         /// <param name="smsContent">短信内容</param>

         /// <returns></returns>

         public string MessageSend(string mobileNo, string smsContent)

         {

             string result = String.Empty;

             string postString = PrepareXml(mobileNo.Replace('，', ',').TrimEnd(new char[] { ',' }), smsContent);

             try

             {

                 string DecodeString = postString.Replace(" ", "+");

                 byte[] data = System.Text.Encoding.GetEncoding("GBK").GetBytes(DecodeString);

                 MSXML2.ServerXMLHTTP xmlhttp = new MSXML2.ServerXMLHTTP();

                 xmlhttp.open("POST", postUrl, false, null, null);

                 xmlhttp.setRequestHeader("Content-Length", data.Length.ToString());

                 xmlhttp.setRequestHeader("Content-Type", "text/xml;charset=gb2312");

                 xmlhttp.send(data);

                 xmlhttp.waitForResponse();

                 Byte[] b = (Byte[])xmlhttp.responseBody;    //返回数据

                 string backXml = System.Text.Encoding.GetEncoding("gb2312").GetString(b);

                 System.Xml.XmlDocument xmldoc = new System.Xml.XmlDocument();

                 xmldoc.LoadXml(backXml);

                 result = xmldoc.GetElementsByTagName("retcode")[].InnerText;

             }

             catch (Exception ex)

             {

                 result = ex.Message;

             }

             return result;

         }

     }