Python_socket_TCP

zServer.py

 1 # coding=utf-8
 2 import socket
 3 words={‘how are you?‘:‘Fine,thank you.‘,
 4        ‘how old are you?‘:‘25‘,
 5        ‘what is your name?‘:‘zWrite‘,
 6        ‘where do you word?‘:‘PopularWorker‘,
 7        ‘bye‘:‘Bye‘}
 8 HOST = ‘‘
 9 PORT = 50007
10 s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
11 #绑定socket
12 s.bind((HOST,PORT))
13 #开始监听
14 s.listen(1)
15 print(‘Listening at port:‘,PORT)
16 conn,address = s.accept()
17 print(‘Connected by‘,address)
18 while True:
19     data = conn.recv(1024)
20     data = data.decode()
21     if not data:
22         break
23     print(‘Received message:‘,data)
24     conn.sendall(words.get(data,‘Nothing‘).encode())
25 conn.close()

zClient.py

 1 # coding=utf-8
 2 import socket
 3
 4 HOST = ‘192.168.4.102‘  #服务器主机IP地址
 5 PORT = 50007    #服务端主机端口号
 6 s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
 7 s.connect((HOST,PORT))    #建立连接
 8 while True:
 9     c =input(‘Input the content you want to send:‘)
10     s.sendall(c.encode())   #发送数据
11     data = s.recv(1024) #从客户端接受数据
12     data = data.decode()
13     print(‘Received:‘,data)
14     if c.lower() == ‘bye‘:
15         break
16 s.close()   #关闭连接

先运行zServer.py再运行zClinet.py