简单通信

server.py

#  -*- coding: cp936 -*-
import  socket

if   __name__   ==   ' __main__ ' :
    sock  =  socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.bind(( ' 192.168.1.106 ' ,  8001 ))
    sock.listen( 5 )       # 最多允许5个客户连接到服务器,值至少为1
     while  True:
         #  connection是一个新的socket对象，服务端通过它与客户端通信
         #  address是客户端的internet地址
        connection, address  =  sock.accept()      # 等待（waiting）状态
         print   ' connected from  ' , address
         try :
            connection.settimeout( 5 )     # 设置超时时间
             #  recv时为阻塞（blocked）状态
            buf  =  connection.recv( 1024 )  # 接收的最大数据量为1024，如果超过则被截短
             if  buf  ==   ' 1 ' :
                connection.send( ' welcome to server! ' )
             else :
                connection.send( ' please go out! ' )
         except  socket.timeout:
             print   ' time out '
        connection.close()

client.py

import  socket, time

if   __name__   ==   ' __main__ ' :
    sock  =  socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.connect(( ' 192.168.1.106 ' ,  8001 ))
    time.sleep( 2 )
    sock.send( ' 1 ' )
     print  sock.recv( 1024 )
    sock.close