windows tcp服务器软件

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

namespace TcpServerExample
{
    class Program
    {
        static void Main(string[] args)
        {
            int port = 1234;
            IPAddress ipAddress = IPAddress.Parse("127.0.0.1");
            TcpListener server = new TcpListener(ipAddress, port);
            server.Start();
            Console.WriteLine("Server started...");

            while (true)
            {
                TcpClient client = server.AcceptTcpClient();
                Console.WriteLine("Client connected!");
                NetworkStream stream = client.GetStream();
                byte[] bytes = new byte[256];
                int i = stream.Read(bytes, 0, bytes.Length);
                string data = Encoding.ASCII.GetString(bytes, 0, i);
                Console.WriteLine("Received: {0}", data);

                byte[] msg = Encoding.ASCII.GetBytes("Hello from server!");
                stream.Write(msg, 0, msg.Length);
                Console.WriteLine("Sent: {0}", data);

                client.Close();
            }
        }
    }
}

import socket

HOST = '127.0.0.1'  # IP地址
PORT = 1234  # 端口号

# 创建TCP socket
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
    s.bind((HOST, PORT))
    s.listen()
    print('Server started...')

    while True:
        conn, addr = s.accept()
        with conn:
            print('Connected by', addr)
            data = conn.recv(1024)
            if not data:
                break
            print('Received:', data.decode())
            conn.sendall(data)