'''

写一个基于TCP协议套接字，服务端实现接收客户端的连接并发

'''

client

import socket

import time

client = socket.socket()

client.connect(

    ('127.0.0.1', 9527)

)

print('启动客户端...')

while True:

    client.send(b'hello')

    data = client.recv(1024)

    print(data)

    time.sleep(1)

server

'''

服务端的工作:

    1.接收客户端的请求

    2.24小时不间断提供服务

    3.实现并发

'''

import socket

import time

from threading import Thread

server = socket.socket()

server.bind(

    ('127.0.0.1', 9527)

)

server.listen(5)

print('启动服务端...')

# 线程任务,执行接收客户端消息与发送消息给客户端

def working(conn):

    while True:

        try:

            data = conn.recv(1024)

            if len(data) == 0:

                break

            print(data)

            time.sleep(1)

            conn.send(data.upper())

        except Exception as e:

            print(e)

            break

    conn.close()

while True:

    conn, addr = server.accept()

    print(addr)

    t = Thread(target=working, args=(conn, ))

    t.start()