83-python-练习( tcp_聊天 )

server 

import socket
sk = socket.socket()
sk.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
sk.bind(('20.20.20.161',8080))
sk.listen()
while True:
    conn,addr = sk.accept()  # 接收连接 三次握手conn
    while True:
        inp = input('>>>')
        if inp == 'q':
            conn.send(inp.encode('utf-8'))
            break
        conn.send(inp.encode('utf-8'))
        msg = conn.recv(1024)
        if msg == b'q':break
        print(msg.decode('utf-8'))
    conn.close()    # 四次挥手
sk.close()

 

 

client

 

import socket
sk = socket.socket()
sk.connect(('20.20.20.161',8080))
while True:
    msg = sk.recv(1024)
    print(msg.decode('utf-8'))
    if msg == b'q':break
    inp = input('>>>')
    if inp == 'q':
        sk.send(inp.encode('utf-8'))
        break
    sk.send(inp.encode('utf-8'))
sk.close()