python网络编程

服务器端

from socket import *
from time import ctime

HOST = ''
PORT = 7933
BUFSIZ = 1024
ADDR = (HOST, PORT)

def main():
    tcpSerSock = socket(AF_INET, SOCK_STREAM)
    tcpSerSock.bind(ADDR)
    tcpSerSock.listen(5)
    while True:
        print 'waiting for connection...'
        tcpCliSock, addr = tcpSerSock.accept()
        print '...connected from:', addr

        while True:
            data = tcpCliSock.recv(BUFSIZ)
            if not data:
                break
            tcpCliSock.send('[%s] %s' % (
                ctime(), data
            ))
    tcpSerSock.close()

if __name__ == '__main__':
    main()

客户端

from socket import *

HOST = 'localhost'
PORT = 7933
BUFSIZ = 1024
ADDR = (HOST, PORT)

def main():
    tcpCliSOCK = socket(AF_INET, SOCK_STREAM)
    tcpCliSOCK.connect(ADDR)
    while True:
        data = raw_input('> ')
        if not data:
            break
        tcpCliSOCK.send(data)
        data = tcpCliSOCK.recv(BUFSIZ)
        if not data:
            break
        print data
    tcpCliSOCK.close()

if __name__ == '__main__':
    main()