class Program
{
static void Main(string[] args)
{
//1. 创建socket
Socket tcpServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//2. 绑定IP和端口号
IPAddress ipaddress = new IPAddress(new byte[]{127,0,0,1});
EndPoint point = new IPEndPOint(ipaddress, 9600);//对IP+端口做了封装的类
tcpServer.Bind(point);

//3. 开始监听（等待客户端连接）
tcpServer.Listen(100);
Console.WriteLine(“开始监听”);

Socket clientSocket = tcpServer.Accept();//暂停当前线程，直到一个客户端连接过来，之后进行下面的代码
Console.WriteLine(“一个客户端链接过来了”)；

//4. 使用返回的socket跟客户端做通信
string message = “欢迎！”;
byte[] data = Encoding.UTF8.GetBytes(message);//
clientSocket.Send(data);
Console.WriteLine(“向客户端发送消息” + message);

byte[] data2 = new byte[1024];//创建以一个字节数组当作容器，承接客户端发送过来的数据
int length = clientSocket.Receive(data2);
string message2 = Encoding.UTF8.GetString(data2, 0, length);//转化为字符串
Console.WriteLine(“接收到一个客户端发送过来的消息”);

Console.ReadKey();
}
}

    class Program
    {
        static void Main(string[] args)
        {
            //1. 创建socket
            Socket tcpClient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            //2. 发起建立连接的请求
            IPAddress iPAddress = IPAddress.Parse("192.168.152.1");
            EndPoint point = new IPEndPoint(iPAddress,9600);
            tcpClient.Connect(point);

            //3. 接收服务器发来的消息
            byte[] data = new byte[1024];
            int length = tcpClient.Receive(data);
            string message = Encoding.UTF8.GetString(data,0,length);//只把接收到的数据做转化
            Console.WriteLine(message);

            //4. 向服务器端发送消息
            string message2 = Console.ReadLine();
            tcpClient.Send(Encoding.UTF8.GetBytes(message2));//把字符串转化成字节数组发送到服务器端
         

            Console.ReadKey();
        }
    }