day30 - socket初级使用，基于tcp

import socket

socket_obj = socket.socket()
# 板顶本地连接
socket_obj.bind(('127.0.0.1', 8000))
# 监听来自客户端的多少个请求
socket_obj.listen(256)

# connection : 建立连接
# address : 地址
# 建立连接，三次握手
connection, address = socket_obj.accept()

"""服务端收发消息是 connection"""
"""客户端收发消息是 socket 对象"""
"""一收一发，夯住循环"""
while 1:
    msg_from_client = connection.recv(1024).decode('utf8')
    print('msg_from_client:', msg_from_client)
    if msg_from_client == 'q':
        break
    serverMsg = input('给客户端发消息>>>:')
    connection.send(serverMsg.encode('utf8'))

socket_obj.close()
connection.close()

import socket

socket_obj = socket.socket()
# 连接请求
socket_obj.connect(('127.0.0.1', 8000))

"""服务端收发消息是 connection"""
"""客户端收发消息是 socket 对象"""
"""一收一发，夯住循环"""
while 1:
    msg_to_server = input('给服务端发消息>>>')
    socket_obj.send(msg_to_server.encode('utf8'))
    msg_from_server = socket_obj.recv(1024).decode('utf8')
    print('msg_from_server:', msg_from_server)
    if msg_from_server == 'q':
        break
socket_obj.close()