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from abc import ABCMeta, abstractmethod
class Person(metaclass=ABCMeta):
def __init__(self, name):
self._name = name
@abstractmethod
def wear(self):
print('着装: ')
class Engineer(Person):
def __init__(self, name, skill):
super().__init__(name)
self._skill = skill
def wear(self):
print(f'我是 {self._name} 工程师, 我会 {self._skill}')
super().wear()
class ClothingDecorator(Person):
def __init__(self, person: Person):
self._decoratored = person
def wear(self):
self._decoratored.wear()
self.decorate()
@abstractmethod
def decorate(self):
pass
class CasualPantDecorator(ClothingDecorator):
def __init__(self, person: Person):
super().__init__(person)
def decorate(self):
print('一条卡其色裤子')
class BeltDecorator(ClothingDecorator):
def __init__(self, person: Person):
super().__init__(person)
def decorate(self):
print('一条黑色腰带')
if __name__ == '__main__':
tony = Engineer('Tony', '算法')
pant = CasualPantDecorator(tony)
belt = BeltDecorator(pant)
belt.wear()
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