python网络编程——实现简单聊天

python

通过socket建立简单的聊天工具

server.py

import socket

import threading

import time

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.bind(('ip.*.*.*', 9999))

s.listen(5)

print('Waiting for connection...')

def tcplink(sock, addr):

print('Accept new connection from %s:%s...' % addr)

sock.send(b'Welcome!')

while True:

data = sock.recv(1024)

time.sleep(1)

if not data or data.decode('utf-8') == 'exit':

break

print('Client:%s'%data.decode('utf-8'))

sock.send(('Server:%s'% input()).encode('utf-8'))

sock.close()

print('Connection from %s:%s closed.' % addr)

while True:

# 接受一个新连接:

sock, addr = s.accept()

# 创建新线程来处理TCP连接:

t = threading.Thread(target=tcplink, args=(sock, addr))

t.start()

client.py

import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# 建立连接:

s.connect(('ip.*.*.*', 9999))

# 接收欢迎消息:

print(s.recv(1024).decode('utf-8'))

while True:

msg=input()

# 发送数据:

s.send(msg.encode('utf-8'))

print(s.recv(1024).decode('utf-8'))

if msg =='exit':

break

s.send(b'exit')

s.close()

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