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《Python实战-从菜鸟到大牛的进阶之路》12 Python 编写的 socket 服务器和客户端

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服务器端:

 #!/usr/bin/pythonimport sockethost='127.0.0.1'port=8123s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)s.bind((host,port))s.listen(2)try:       while True:       conn,add=s.accept       while True:       data2=''       data1=conn.recv(3)       if data1=='EOF':       conn.send('hello clietn1')       break       if data1=='FOE':       conn.send('hello client2')       break       data2+=data1       print data2except KeyboardInterrupt:       print "you have CTRL+C,Now quit"       s.close  

注:服务器端一次只接收 3 个字节的数据,我让读取进入循环,然后不断累加到 data2 中,当读取到 EOF 时,退出打印 data2,当读取 FOE 时,退出打印 data2,(EOF 和 FOE 是客户端发送完数据时发送的结束符),当接收到 CTRLC+C 时,关闭 socket

客户端 1:

 #!/usr/bin/env pythonimport socketimport osss=socket.socket(socket.AF_INET,socket.SOCK_STREAM)ss.connect(('127.0.0.1',8123)) #f=open('aa','wb')ss.sendall('hello serverdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd')os.system('sleep 1')ss.send('EOF')data=ss.recv(1024)print "server dafu %s"%datass.close  

客户端 2:

 #!/usr/bin/env pythonimport socketimport osss=socket.socket(socket.AF_INET,socket.SOCK_STREAM)ss.connect(('127.0.0.1',8123)) #f=open('aa','wb')ss.sendall('wokao sile')os.system('sleep 1')ss.send('FOE')data=ss.recv(1024)print "server dafu %s"%datass.close