python client and server

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client段代码如下：

import sysfrom socket import *serverHost = 'localhost'serverPort = 1002message = [b'Hello network world']if len(sys.argv)> 1:    serverHost =sys.argv[1]    if len(sys.argv) >2:        message = (x.encode() for x in sys.argv[2:])    sockobj = socket(AF_INET , SOCK_STREAM)    sockobj.connect((serverHost , serverPort))    for line in message:        sockobj.send(line)        data = sockobj.recv(1024)        print "client received:" , data    sockobj.close()

放到client端机器上,运行的时候输入 python client localhost abcdefg ,其中abcdefg是发送的信息。

from socket import *myHost = ''myPort = 1002sockobj = socket(AF_INET , SOCK_STREAM)sockobj.bind((myHost , myPort))sockobj.listen(5)while True:    connection , address = sockobj.accept()    print "Server connected by"  , address    while True:        data = connection.recv(1024)        print "*"*30        print data        if not data:break        connection.send(b'Echo=>'+data)    connection.close()

运行server端程序，python server ,server端只负责接收，当接收完毕之后发送一个Echo=>abcdefg给客户端，表示接收完毕。

这段代码就这么简单，就完成了两个计算机基于TCP/IP的通讯。

参考资料：

http://www.cnblogs.com/vamei/archive/2012/10/30/2744955.html

http://www.lpfrx.com/archives/133/