python TCP 简单示例

python TCP 简单示例

flyfish

版本 python3

server

import socket
host=''  
port=12345  
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)   
s.bind((host,port))  
s.listen(1)  
while 1:  
        print ("waiting for connection...")
        clientsock,clientaddr=s.accept()  

        print("...connected from：",clientaddr)  
        while 1:  
            data=clientsock.recv(1024).decode()  
            if not len(data):  
                break  
            print(clientsock.getpeername()[0]+':'+str(data))  
            clientsock.sendall(data.encode())  

        clientsock.close()  

s.close()

client

import socket 
port=12345  
host='localhost'
data=input('Input send message：')  
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)  
s.connect((host,port))  
s.send(data.encode())  
while 1:  
    buf=s.recv(1024).decode()  
    if not len(buf):  
        break  
    print('server data:'+str(buf))  

s.close()