C# TCP/iP通信

最新推荐文章于 2025-06-24 14:16:49 发布

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本文详细介绍了如何使用C#实现TCP/IP服务端，包括服务端的启动、监听客户端连接、接收及发送数据的过程。通过代码示例展示了如何绑定IP地址和端口，接受客户端连接，并在独立线程中接收和发送数据。

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private delegate void UsetEventHandler();
        private static Socket _serveSocket = null;
        private static Thread _listthread = null;
        private static Socket _socket=null;
        private static Thread _receiveThread = null;
        #region 开启
        public static void IpMonitor(string ip,string port)
        {
            IPAddress _ip = IPAddress.Parse(ip);
            _serveSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            try
            {
                _serveSocket.Bind(new IPEndPoint(_ip, Convert.ToInt32(port)));
                _serveSocket.Listen(10);
                _listthread = new Thread(new ThreadStart(ListenClientConnect));
                _listthread.IsBackground = true;
                _listthread.Start();
            }
            catch
            {
            }
        }
        #endregion
        #region 监听到客户端的连接
        /// <summary>
        /// 监听到客户端的连接
        /// </summary>
        public static void ListenClientConnect()
        {
            while (true)
            {
                //监听到客户端的连接，获取双方通信socket
                _socket = _serveSocket.Accept();
                //创建线程循环接收客户端发送的数据
                _receiveThread = new Thread(Receive);
                //传入双方通信socket
                _receiveThread.Start(_socket);
            }
        }
        #endregion

        #region 接收客户端数据
        /// <summary>
        /// 接收客户端数据
        /// </summary>
        /// <param name="socket"></param>
        public static void  Receive(object socket)
        {            
            try
            {
                Socket myClientSocket = (Socket)socket;
                while (true)
                {
                      byte[] buff = new byte[1024 * 1024 * 1024];
                    //int r = myClientSocket.Receive(buff);
                      Encoding.Default.GetString(buff, 0, myClientSocket.Receive(buff));
                   
                }
            }
            catch
            {
                Console.WriteLine("接收数据失败", "TCP/IP服务端提示");
                
            }
            
        }
        #endregion
        #region 发送数据
        public static void sendData(string data) {
            try
            {
                byte[] buffer = new byte[1024 * 1024 * 1024];
                buffer = Encoding.Default.GetBytes(data);
                _socket.Send(buffer);
               
            }
            catch 
            {

                Console.WriteLine("发送数据失败");
            }
          
        }
        #endregion