Python网络编程socket模块

最新推荐文章于 2024-10-28 16:20:43 发布

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本文介绍了如何使用Python创建TCP服务器和客户端。服务器部分通过绑定地址并持续监听连接请求来接收消息，并将接收到的消息连同当前时间一起返回给客户端。客户端则负责发送消息并打印从服务器接收的内容。

创建TCP服务器

# 创建服务器套接字:
HOST = '127.0.0.1'
PORT = 21567
ADDR = (HOST, PORT)
BUSIZE = 1024
tcpsocket = socket.socket()
tcpsocket.bind(ADDR)
while True:
	print("waiting for connect")
	tcpsciket,addr = tcpsocket.accept()  #tcpsciket 为连接
	print("----connected from---- ", addr)
	while True:
		date =tcpsciket.recv(BUSIZE)
		if not date:
			break
		t = '[%s] %s' % (ctime(), str(date))
		print(t)
		tcpsciket.send(bytes(t, encoding='utf-8'))
		
	tcpsciket.close()

创建TCP客户端

import socket

Host = '127.0.0.1'
PORT = 21567
BUFSIZE = 1024
ADDR = (Host, PORT)

tcpCliSock = socket.socket()
tcpCliSock.connect(ADDR)

while True:
	data = input('> ')
	if not data:
		break
	tcpCliSock.send(bytes(data, encoding = 'utf-8'))
	print(data)
	data = str(tcpCliSock.recv(BUFSIZE), encoding = 'utf-8')
	if not data:
		break
	print(data)
tcpCliSock.close()