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Python socket模块实现TCP服务端客户端

# -*- coding: utf-8 -*-import socketfrom time import ctime# 服务器配置HOST = ''  # 所有接口PORT = 21567BUFSIZ = 4096ADDR = (HOST, PORT)# 创建TCP套接字tcpSock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)# 绑定地址tcpSock.bind(ADDR)# 设置监听tcpSock.listen(5)# 接受客户端连接while True:    print("等待连接...")    tcpCliSock, addr = tcpSock.accept()    print(f"连接来自 {addr}")        while True:        data = tcpCliSock.recv(BUFSIZ)        if not data:            break        # 将接收到的数据加上时间戳        timestamp = ctime().strftime("%Y-%m-%d %H:%M:%S")        response = f"{timestamp} {data.decode('utf-8')}".encode('utf-8')        tcpCliSock.send(response)        # 关闭连接    tcpCliSock.close()

# -*- coding: utf-8 -*-import socketimport sys# 客户端配置HOST = '127.0.0.1'PORT = 21567BUFSIZ = 4096ADDR = (HOST, PORT)# 创建客户端套接字tcpCliSock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)try:    # 连接服务器    tcpCliSock.connect(ADDR)except Exception as e:    print(f"连接服务器失败：{e}")    sys.exit(-1)while True:    data = input("> ")    if not data:        break    # 发送数据    tcpCliSock.send(data.encode('utf-8'))        # 接收服务器响应    response = tcpCliSock.recv(BUFSIZ)    if not response:        break    print(response.decode('utf-8'))    # 关闭连接tcpCliSock.close()

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