/// 
        /// 监听并返回数据        /// 
        /// 
             public static void TcpSocketReceive()        {            try            {                string ip = "127.0.0.1";                int TcpPort = 8080;                IPEndPoint ipend = new IPEndPoint(IPAddress.Parse(ip), TcpPort);                Socket sc = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);                sc.Bind(ipend);                Socket acc;                sc.Listen(1);                acc = sc.Accept();                byte[] buff = new byte[1024];                int recbyte = acc.Receive(buff, buff.Length, 0);                string reciveval = Encoding.UTF8.GetString(buff, 0, recbyte);                //返回数据                string message = ObtainDataTransmission.GetReturnMsg();                byte[] bt = Encoding.UTF8.GetBytes(message);                acc.Send(bt, bt.Length, 0);                acc.Dispose();                sc.Dispose();                acc.Close();                sc.Close();            }            catch (Exception ex)            {                ErrorLosCommon.Write(ex.Message, ex.ToString());            }        }