python socket编程

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客户端代码:

#__author__ = 'lenovo'from socket import *Host = 'localhost'Port = 2157BUFSIZE=1024ADDR = (Host, Port)tcpClient = socket(AF_INET, SOCK_STREAM)tcpClient.connect(ADDR)#客户端程序里不需要进行相关的地址绑定,只要连接到相关的地址即可while True:    data = input('>')    if not data:        break    tcpClient.send(data.encode(encoding='utf_8'))#需要将string类型的字符串转化为二进制,需要进行二进制编码操作    data = tcpClient.recv(BUFSIZE)    if not data:        break    print(data)tcpClient.close()
服务器端代码:

#__author__ = 'lenovo'from socket import *from time import  ctimeHost = 'localhost'Port = 2157BUFSIZE=1024ADDR = (Host, Port)serverSocket = socket(AF_INET, SOCK_STREAM)serverSocket.bind(ADDR)serverSocket.listen(5)while True:    print('wating for connection....')    tcpClient,addr = serverSocket.accept()#accept函数返回一个pair,其中第一个返回值为sokcet链接,第二个返回值微客户端的address    print('.....connect from')    while True:        data = tcpClient.recv(BUFSIZE)        if not data:            print('not data')        tcpClient.send(('[%s] %s' % (ctime(), data)).encode(encoding='utf_8'))    tcpClient.close()serverSocket.close()

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