server

#服务端

import socket
phone = socket.socket()
phone.bind(('127.0.0.1',8848))
print('服务器启动成功！等待用户连接....')
phone.listen(5)
while 1:
    conn, addr = phone.accept()
    print(f'{addr}连接成功......')
    while 1:
        try:
            name = conn.recv(1024).strip().decode("utf-8")
            print(f'来自{addr}的消息：{name}')
            if name.upper() == 'Q':
                print(f'{addr}退出程序！')
                break
            conn.send(name.encode('utf-8'))
        except EnvironmentError:
            print('客户端异常退出程序！')
            break
    conn.close()
phone.close()

client

#客户端
import socket
phone = socket.socket()
phone.connect(('127.0.0.1',8848))

while 1:
    data = input('>>>:').strip()
    if not data:
        print('输入的内容不能为空！')
        continue
    if data.upper() == 'Q':
        phone.send(data.encode('utf-8'))
        print("退出程序！")
        break
    phone.send(data.encode('utf-8'))
    print(phone.recv(1024).strip().decode('utf-8'))
phone.close()