B/S,C/S架构

1.tcp通讯

　　serve端

import socket

sr = socket.socket()
sr.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
sr.bind(('192.168.16.33',8088))
sr.listen()

while True:
    try:
        conn,addr = sr.accept()
        while 1:
            msg = input('>>>:').strip()
            conn.send(msg.encode('utf-8'))
            if msg == 'q':
                break
            msg = conn.recv(1024)
            if msg == b'q':
                break
            print(msg.decode('utf-8'))
        conn.close()
    except UnicodeDecodeError:
        pass
sr.close()

　　client 端

import socket

sl = socket.socket()
sl.connect(('192.168.16.33',8088))

while True:
    msg = sl.recv(1024)
    if msg == b'q':
        break
    print(msg.decode('utf-8'))
    msg = input('>>>:')
    sl.send(msg.encode('utf-8'))
    if msg == 'q':
        break
sl.close()

2.udp协议通讯

　　serve 端

import socket

sk = socket.socket(type=socket.SOCK_DGRAM)
sk.bind(('192.168.16.33',8088))

while 1:
    msg,addr = sk.recvfrom(1024)
    print(msg.decode('utf-8'),addr)
    msg = input('>>>')
    sk.sendto(msg.encode('utf-8'),addr)
sk.close()

　　client 端

import socket

sk = socket.socket(type=socket.SOCK_DGRAM)
ip_1 = ('192.168.16.33',8088)
while 1:
    msg = input('>>>')
    sk.sendto(msg.encode('utf-8'),ip_1)
    msg,addr = sk.recvfrom(1024)
    print(msg.decode('utf-8'),addr)
sk.close()