//连接短信发送服务器
            emptcl empp = new emptclClass();
            ConnectResultEnum result = empp.connect(host, port, accountId, password);
            if (empp == null || !empp.connected)
            {
                return "连接失败";
            }

            ShortMessage shortMsg = new ShortMessageClass();
            shortMsg.srcID = accountId;  //获取发送短信者ID 
            shortMsg.needStatus = true; //获取是否返回状态报告标志

            Mobiles mob = new MobilesClass();
            string[] sendMobiles = mobiles.Trim('|').Split('|');
            foreach (string sendMobile in sendMobiles)
            {
                mob.Add(sendMobile);
            }

            shortMsg.DestMobiles = mob;  //发送的手机号
            shortMsg.content = contents;   //短信内容
            shortMsg.SendNow = true;       //设置是否立即发送短信标志

            //发送短信
            empp.submit(shortMsg);

            //对象用于实现发送短信后，接受到的返回信息的处理
            SubmitResp submitResp = new SubmitRespClass();
            int doResult = -1;
            Int32.TryParse(submitResp.Result.ToString(), out doResult);
            if (doResult == 0)
            {
                mob.RemoveAll(); 
                return "成功";
            }
            else
            { 
                return "失败";
            }

            empp.disconnect();