#基于切換連接的循環通信
 import socket #首先我們在文件中導入socket 模塊
 phone = socket.socket() #實例化一個對象
 phone.bind(('127.0.01',8765))#bind是存放ip地址的(這里存放的是本地的IP地址)
 phone.listen(5)#可以設置連接的個數,
 while 1:#循環等待連接
  conn,adds = phone.accept()
  while 1:#要循環聊天我們要重復接收發送
   try: #異常處理
    receives_commands = conn.recv(1024) #接收命令請求,最多接收1024字節當然你也可以調整
    receivse_commands = receives_commands.decode('utf-8')#網絡傳輸是以字節的形勢的所以我們要進行解碼
    print(f'來自客戶端的消息{receives_commands}') #打印消息
    if receives_commands.upper(0 == 'Q':break #正常結束
    dispatch_orders = inport('請輸入:').strip().encode('utf-8')
    conn.send(dispatch_orders)
   except ConnectionResetError:#客戶端異常結束
    print('客戶端終端')
    break
  conn.close() #關閉連接
 phone.close#關閉服務端
 #客戶端
 import socket
 phone = socket.socket()
 phone.connect(('127.0.01',8765))  #連接服務端地址   
 while 1:     
  dispatch_orders = inport('請輸入:').strip().encode('utf-8')#發送請求
  if not dispatch_orders:print('不能為空')#不能為空
  phone.send(dispatch_orders)  #發送      
  if dispatch_orders.upper() ==b'Q':#正常退出
   break
  receives_commands = phone.recv(1024)#接收服務端的回執
  receives_commands = receives_commands.decode('utf-8')#解碼
  print(f'來自客戶端的消息{receives_commands}') #打印        
 phone.close()#關閉客戶端
          

            
 obj = subprocess.Popen('dir',#實例化對象括號內第一個參數就是我們的cmd命令行的命令,這里我們寫的是dir顯示文件夾中內容
         shell=True,
         stdout=subprocess.PIPE,
         stderr=subprocess.PIPE,
         )
   print(obj.stdout.read().decode('gbk')) # 正確命令
   print(obj.stderr.read().decode('gbk')) # 錯誤命令
          

            
import socket
import subprocess
phone = socket.socket()
phone.bind(('127.0.01',8695))
phone.listen(5)
while 1:
 conn,adds = phone.accept()
 while 1:
  try:
   receives_commands = conn.recv(1024)
   if receiver_commands ==b'Q':break 
   #obj = subprocess.Popen(Receiving_instructiors,
         # shell= True,
       #stdout = subprocess.PIPE,
       #stderr = subprocess.PIPE
         )
  obj = subprocess.Popen(receives_commands.decode('utf-8')#動態的傳入命令
       shell = True
       stdout = subprocess.PIPE
       stderr = subprocess.PIPE 
       )
 # print(obj.stdout.read().decode('gbk')) # 正確命令
 # print(obj.stderr.read().decode('gbk')) # 錯誤命令
  ret = obj.stodut.read()+obj.stderr.read()#將產生的內容進行拼接
  conn.send(ret)
 except ConnectionResetError:
   print('客戶端終端')
   break 
 conn.close()
phone.close()
import socket
phone = socket.socket()
phone.connect(('127.0.01',8695))
while 1:
 dispatch_orders = inport('請輸入命令:').strip().encode('utf-8')
 if not dispatch_orders:print('輸入不能為空')
 phone.send(dispatch_orders)
 if dispatch_orders.upper() ==b'Q':break
 receives_commands = phone.recv(1024)
 receives_commands = receives_commands.decode('utf-8')
 print(f'來自客戶端的消息{receives_commands}')
phone.close()