using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

namespace tcpServer
{
    class Program
    {
        //服务器端
        static void Main(string[] args)
        {
            TcpListener listener = new TcpListener(IPAddress.Parse("192.168.1.104"), 2222);

            listener.Start();//开始监听

            TcpClient client = listener.AcceptTcpClient();//获取客户端的socket

            NetworkStream stream = client.GetStream();//获取流

            byte[] data = new byte[1024];

            while (true)
            {
                int length = stream.Read(data, 0, 1024);
                string message = Encoding.UTF8.GetString(data, 0, length);
                Console.WriteLine("消息：" + message);
            }

            /*
            //关闭程序不要忘了做下面操作(指有退出事件的时候)
            stream.Close();
            client.Close();
            listener.Stop();
            */
        }
    }
}

using System;
using System.ComponentModel;
using System.Net;
using System.Net.Sockets;
using System.Text;

namespace tcpClient
{
    //客户端
    class Program
    {
        static void Main(string[] args)
        {
            //当我们创建tcpclient对象，服务器的ip和端口号
            TcpClient client = new TcpClient("192.168.1.104", 2222);

            NetworkStream stream = client.GetStream();//通过网络流进行数据的交换
            //read用来读取数据，write用来发送数据
            while (true)
            {
                string message = Console.ReadLine();
                byte[] data = Encoding.UTF8.GetBytes(message);
                stream.Write(data, 0, data.Length);
            }

            /*
            //实际使用过程中在程序关闭的时候不要忘了关闭连接
            stream.Close();
            client.Close();
            */

        }
    }
}