Python socket module implements TCP server-side client

Python socket module implements TCP server-side client

写了详细的注释，如果有哪一行不明白，可留言哦。

Server-side scripting

# _*_ coding: utf-8 _*___author__ = ‘xiaoke‘__date__ = ‘2018/6/13 14:39‘# 这个脚本创建一个TCP服务器，它接收来自客户端的消息，然后将消息加上时间戳前缀并返回客户端import socketfrom time import ctimeHOST = ‘‘PORT = 21567BUFSIZ = 4096ADDR = (HOST, PORT)# 创建TCP套接字tcpSock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)# 创建UDP套接字# udpSock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)tcpSock.bind(ADDR)  # 将地址绑定到套接字上tcpSock.listen(5)  # 设置并启动TCP监听器while True:    print("waiting for connection....")    tcpCliSock, addr = tcpSock.accept()  # 被动接收TCP客户端连接，一直等待直到连接到达（阻塞）    print("... connected from", addr)    while True:        data = tcpCliSock.recv(BUFSIZ)  # 接收TCP消息        # print(data)        # 如果有数据加上时间戳后返回给客户端，因为只接受字节数据，所以把数据使用bytes函数转换        if not data:            break        tcpCliSock.send(bytes(‘[%s] %s‘ % (ctime(), data.decode(‘utf-8‘)), ‘utf-8‘))    tcpCliSock.close()# tcpSock.close()

Client Script

# _*_ coding: utf-8 _*___author__ = ‘xiaoke‘__date__ = ‘2018/6/13 16:01‘import socketimport sysHOST = ‘127.0.0.1‘PORT = 21567BUFSIZ = 4096ADDR = (HOST, PORT)# 创建客户端TCP连接tcpCliSock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)# 连接服务器try:    tcpCliSock.connect(ADDR)except Exception as e:    print("连接服务器失败:",e)    sys.exit(-1)while True:    data = input(‘> ‘)    if not data:        break    # 循环发送数据，直到没有数据发送退出    tcpCliSock.send(bytes(data, encoding=‘utf-8‘))    # 接收服务端返回的消息，如果没有消息返回，也将退出循环    data = tcpCliSock.recv(BUFSIZ)    if not data:        break    print(data.decode(‘utf-8‘))tcpCliSock.close()

Python socket module implements TCP server-side client