學習筆記-- Python網路編程

標籤：發送訊息   編程   listen   ddr   client   訊息   建立   break   出版社   

TCP編程-- server

 1 import socket, threading, time 2  3 def dealClient(sock, addr): 4     print(‘Accept new connection from %s:%s...‘ % addr) 5     sock.send(b‘Hello, I am server!‘)  # 給client端發送資料 6     while True: 7         data = sock.recv(1024)  # 接收client發過來的資料 8         time.sleep(1) 9         if not data or data.decode(‘utf-8‘) == ‘exit‘:10             break11         print(‘-->> %s !‘ % data.decode(‘utf-8‘))12         sock.send((‘Loop_Msg: %s !‘ % data.decode(‘utf-8‘)).encode())   # 發送資料給client13     sock.close()14     print(‘Connection from %s:%s closed‘ % addr)15 16 if __name__ == ‘__main__‘:17     # 建立socket並綁定IP18     s = socket.socket()19     s.bind((‘127.0.0.1‘, 9999))20     s.listen()   # 啟用監聽21     print(‘Waiting for connection...‘)22     while True:23         sock, addr = s.accept()  # 接收一個新的串連24         t = threading.Thread(target = dealClient, args = (sock, addr))  #建立新的線程來處理TCP串連25         t.start()

 

TCP編程-- client

1 import socket2 3 s = socket.socket()4 s.connect((‘127.0.0.1‘, 9999))  # 建立串連5 print(‘-->>‘ + s.recv(1024).decode(‘utf-8‘)) # 接收訊息6 s.send(b‘Hello, I am a client‘)7 print(‘-->>‘ + s.recv(1024).decode(‘utf-8‘))8 s.send(b‘exit‘)  # 發送訊息9 s.close()

 

代碼摘自 Python爬蟲開發與項目實戰--  機械工業出版社 

 

學習筆記-- Python網路編程