C#之Socket(通讯端)通讯

private void btnListen_Click(object sender, EventArgs e)
{
    IPEndPoint point = new IPEndPoint(IPAddress.Any, 13000);//IPAddress.Any本机任何网络卡IP。本机埠检视netstat -an
    //伺服器端Socket定义
    Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
    socket.Bind(point); //系结IP
    socket.Listen(10);//启动监听。最大监听数,同一个时间点过来10个用户端，排队
    ShowMsg("伺服器开始监听");

    Thread thread = new Thread(AcceptInfo);
    thread.Start(socket);

}

//记录通讯用的Socket
Dictionary<string, Socket> dic = new Dictionary<string, Socket>();

// private Socket client;
void AcceptInfo(object o)
{
    Socket socket = o as Socket;
    while (true)
    {
        //通讯用socket
        try
        {
            Socket clientSocket = socket.Accept();//如果用户端有请求，生成一个新的Socket
            string point = clientSocket.RemoteEndPoint.ToString();
            ShowMsg(point + "连线用户端成功！");
            dic.Add(point, clientSocket);
            //接收讯息
            Thread th = new Thread(ReceiveMsg);
            th.Start(clientSocket);
        }
        catch (Exception ex)
        {
            break;
        }
    }
    socket.Close();
}
//接收讯息
void ReceiveMsg(object socket)
{
    Socket clientSocket = socket as Socket;
    while (true)
    {
        //接收用户端传送过来的资料
        try
        {
            //定义byte阵列存放从用户端接收过来的资料
            byte[] buffer = new byte[1024 * 1024];
            
           int n = clientSocket.Receive(buffer);//将接收过来的资料放到buffer中，并返回实际接受资料的长度

            //将位元组转换成字串
            string words = Encoding.Unicode.GetString(buffer, 0, n);
            Console.WriteLine(clientSocket.RemoteEndPoint.ToString() + ":" + words);
            byte[] msg = Encoding.Unicode.GetBytes(words);
            clientSocket.Send(msg);//传送资料，位元组阵列
        }
        catch (Exception ex)
        {
            break;
        }
    }
    clientSocket.Shutdown(SocketShutdown.Both);//禁止传送和接受资料
    clientSocket.Close();//关闭socket,释放资源
}

Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPEndPoint point = new IPEndPoint("127.0.0.1", 13000));//连线到的伺服器端IP
clientSocket.Connect(point);//连线到伺服器
ShowMsg("连线成功");
ShowMsg("伺服器" + client.RemoteEndPoint.ToString());
ShowMsg("用户端:" + client.LocalEndPoint.ToString());
Thread th = new Thread(ReceiveMsg);//连线成功后，就可以接收伺服器传送的资讯了
th.IsBackground = true;
th.Start();

clientSocket.Shutdown(SocketShutdown.Both);//禁止传送和接受资料
clientSocket.Close();//关闭socket,释放资源