python-socket TCP

tsTserv3.py服务端

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from socket import * from time import ctime # python3 HOST = '' PORT = 21567 BUFSIZ = 1024 ADDR = (HOST, PORT) tcpSerSock = socket(AF_INET, SOCK_STREAM) tcpSerSock.bind(ADDR) tcpSerSock.listen(5) while True:     print('waiting for connection...')     tcpCliSock, addr = tcpSerSock.accept()     print('...connected from:', addr)     while True:         data = tcpCliSock.recv(BUFSIZ)         if not data:             break         tcpCliSock.send(('[%s] %s' % (ctime(), data.decode())).encode())     tcpCliSock.close() tcpSerSock.close()

tsTclnt3.py 客户端 

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from socket import * HOST = '127.0.0.1' PORT = 21567 BUFSIZ = 1024 ADDR = (HOST, PORT) tcpCliSock = socket(AF_INET, SOCK_STREAM) tcpCliSock.connect(ADDR) while True:     data = input('> ')     if not data:         break     tcpCliSock.send(bytes(data,'utf-8'))     data = tcpCliSock.recv(BUFSIZ)     if not data:         break     print(data.decode()) tcpCliSock.close()

　备注:

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from socket import socket # 创建服务器套接字 ss = socket() # 套接字与地址绑定 ss.bind() # 监听连接 ss.listen() # 服务器无效循环 inf_loop:     # 接受客户端连接     cs = ss.accept()     # 通信循环     comm_loop:         # 对话 接收/发送         cs.recv() / cs.send()     # 关闭客户端套接字     cs.close() # 关闭服务器套接字 ss.close()