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Python-設計模式-門面模式

Python
設計模式
門面模式

class Sub_A: 
   def Start_A_Part(self): 
      print('A Part Start') 
   def Stop_A_Part(self): 
      print('A Part Stop') 

 class Sub_B: 
   def Start_B_Part(self): 
      print('B Part Start') 
   def Stop_B_Part(self): 
      print('B Part Stop') 

 class Sub_C: 
   def Start_C_Part(self): 
      print('C Part Start') 
   def Stop_C_Part(self): 
      print('C Part Stop') 

 class System: 
   def __init__(self): 
      self.A = Sub_A() 
      self.B = Sub_B() 
      self.C = Sub_C() 
   def start_system(self): 
      self.A.Start_A_Part() 
      self.B.Start_B_Part() 
      self.C.Start_C_Part() 
   def stop_system(self): 
      self.C.Stop_C_Part() 
      self.B.Stop_B_Part() 
      self.A.Stop_A_Part() 

 S = System() 
S.start_system() 
print('wait 3 second') 
S.stop_system()

程式碼說明

定義三個子系統，並建立在系統中，以順序啟動，再依順序停止
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