python网络编程基础

#!/usr/bin/python

if __name__== '__main__':
    import socket
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.bind (('localhost', 8001))
    sock.listen(5)
    while True:
        connection, address = sock.accept()
        try:
            connection.settimeout(5)
            buf = connection.recv(1024)
            if buf== 'panhong':
                connection.send('welcome to server!')
            else:
                connection.send('please go out!')
        except socket.timeout:
            print 'time out'
            connection.close()

#!/usr/bin/python

if __name__ == '__main__':
    import socket
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.connect(('localhost', 8001))
    import time
    time.sleep(2)
    sock.send('panhong')
    print sock.recv(1024)
    sock.close()
~