python TCP socket编程

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本文链接： https://blog.csdn.net/pingxiaozhao/article/details/102779625

Server：

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import socket

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

# 绑定端口:
s.bind(('127.0.0.1', 9999))

print('Bind UDP on 9999...')

while True:
    # 接收数据:
    data, addr = s.recvfrom(1024)
    print('Received from %s:%s.' % addr)
    reply = 'Hello, %s!' % data.decode('utf-8')
    s.sendto(reply.encode('utf-8'), addr)

Client：

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import socket

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

for data in [b'Michael', b'Tracy', b'Sarah']:
    # 发送数据:
    s.sendto(data, ('127.0.0.1', 9999))
    # 接收数据:
    print(s.recv(1024).decode('utf-8'))

s.close()