Python--網路編程-----socket代碼執行個體--聊天軟體升級版

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服務端代碼：

 1 import socket 2  3 HOST = ‘‘ 4 PORT = 50007 5  6 sock_server = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 7 sock_server.bind((HOST, PORT)) 8  9 sock_server.listen(1)10 11 while True:12     conn, addr = sock_server.accept()13 14     with conn:15         print(‘Connected by‘, addr)16         while True:17             try:18                 data = conn.recv(1024)19                 print("server recv:", conn.getpeername(), data.decode())20                 if not data:21                     break22 23                 conn.send(data.upper())24                 print("send to alex:", data)25             except ConnectionResetError:26                 break

用戶端1代碼：

import socketHOST = ‘localhost‘PORT = 50007client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)client.connect((HOST, PORT))while True:    msg = input(">>>:").strip()    if len(msg) == 0:        continue    client.sendall(msg.encode())    data = client.recv(1024)    print(‘Received‘, data.decode())

用戶端2代碼：

 1 import socket 2  3 HOST = ‘localhost‘ 4 PORT = 50007 5  6 client = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 7 client.connect((HOST, PORT)) 8  9 while True:10     msg = input(">>>:").strip()11     if len(msg) == 0:12         continue13     client.sendall(msg.encode())14 15     data = client.recv(1024)16 17     print(‘Received‘, data.decode())

先開啟服務端，然後開啟用戶端1，用戶端2，在用戶端1輸入資訊能夠收到服務端的響應資訊，在用戶端2輸入資訊不能收到服務端的響應資訊，此時斷開用戶端1 的串連，用戶端2可以正常收到服務端的響應資訊，

用戶端1運行結果：

1 >>>:用戶端12 Received 用戶端13 >>>:4 Process finished with exit code 1

用戶端2運行結果：

1 >>>:用戶端22 Received 用戶端23 >>>:

服務端運行結果：

1 Connected by (‘127.0.0.1‘, 58852)2 server recv: (‘127.0.0.1‘, 58852) 用戶端13 send to alex: b‘\xe5\xae\xa2\xe6\x88\xb7\xe7\xab\xaf1‘4 Connected by (‘127.0.0.1‘, 58857)5 server recv: (‘127.0.0.1‘, 58857) 用戶端26 send to alex: b‘\xe5\xae\xa2\xe6\x88\xb7\xe7\xab\xaf2‘

 

Python--網路編程-----socket代碼執行個體--聊天軟體升級版