public override void Open()
        {
            String[] props = element.Address.Split(':');
            if (props.Length != 3)
            {
                throw new Exception("Tcp设备通道参数配置不正确");
            }
            int cType = int.Parse(props[0].Trim());
            string ipAddress = props[1].Trim();
            int port = Int32.Parse(props[2].Trim());
            if (cType == 2)
            {
                tcpipServer = new TcpListener(IPAddress.Parse(ipAddress), port);
                tcpipServer.Start();
                //创立新线程循环搜索客户端并读取数据
                th = new Thread(new ThreadStart(GetData));
                th.Start();
            }

        }

        public void GetData()
        {
            //获取当前连接的客户端并读取数据
            TcpClient client = null;
            while (true)
            {
                client = tcpipServer.AcceptTcpClient();
                ns = client.GetStream();
                reciveBytes = null;
                reciveBytes = new byte[1024];
                try
                {
                    if (ns.CanRead)
                    {
                        do
                        {
                            if (ns.Read(reciveBytes, 0, reciveBytes.Length) > 0)
                            {
                                ActionProcess(reciveBytes, this);
                            }
                        } while (ns.DataAvailable);
                    }
                }
                catch (Exception e)
                {
                    client = tcpipServer.AcceptTcpClient();
                    ns = client.GetStream();
                    continue;
                }
            }
            client.Close();
            tcpipServer.Stop();
        }