<人人都懂设计模式>-装饰模式

书上，真的用一个人穿衣打拌来讲解装饰模式的呢。

from abc import ABCMeta, abstractmethod

class Person(metaclass=ABCMeta):

    def __init__(self, name):
        self._name = name

    @abstractmethod
    def wear(self):
        print("着装。。。")

class Engine(Person):

    def __init__(self, name, skill):
        super().__init__(name)
        self.__skill = skill

    def get_skill(self):
        return self.__skill

    def wear(self):
        print("我是{}工程师{}。".format(self.get_skill(), self._name))
        super().wear()

class Teacher(Person):

    def __init__(self, name, title):
        super().__init__(name)
        self.__title = title

    def get_title(self):
        return self.__title

    def wear(self):
        print("我是{}{}。".format(self._name, self.get_title() ))
        super().wear()

class ClothingDecorator(Person):

    def __init__(self, person):
        self._decorated = person

    def wear(self):
        self._decorated.wear()
        self.decorate()

    @abstractmethod
    def decorate(self):
        pass

class CasualPantDecorator(ClothingDecorator):

    def __init__(self, person):
        super().__init__(person)

    def decorate(self):
        print("一条卡其色休闲裤")

class BeltDecorator(ClothingDecorator):

    def __init__(self, person):
        super().__init__(person)

    def decorate(self):
        print("一条银色针扣头的黑色腰带")

class LeatherShoeDecorator(ClothingDecorator):

    def __init__(self, person):
        super().__init__(person)

    def decorate(self):
        print("一双深色休闲皮鞋")

class KnittedSweaterDecorator(ClothingDecorator):

    def __init__(self, person):
        super().__init__(person)

    def decorate(self):
        print("一件紫红色针织毛衣")

class WhiteShirtDecorator(ClothingDecorator):

    def __init__(self, person):
        super().__init__(person)

    def decorate(self):
        print("一件白色衬衫")

class GlassesDecorator(ClothingDecorator):

    def __init__(self, person):
        super().__init__(person)

    def decorate(self):
        print("一副方形黑框眼镜")

def test_decorator():
    tony = Engine("Tony", "客户端")
    pant = CasualPantDecorator(tony)
    belt = BeltDecorator(pant)
    shoes = LeatherShoeDecorator(belt)
    shirt = WhiteShirtDecorator(shoes)
    sweater = KnittedSweaterDecorator(shirt)
    glasses = GlassesDecorator(sweater)
    glasses.wear()

    print()
    decorator_teacher = GlassesDecorator(WhiteShirtDecorator(LeatherShoeDecorator(Teacher("wells", "教授"))))
    decorator_teacher.wear()

test_decorator()

C:\Python36\python.exe C:/Users/Sahara/PycharmProjects/test1/test.py
我是客户端工程师Tony。
着装。。。
一条卡其色休闲裤
一条银色针扣头的黑色腰带
一双深色休闲皮鞋
一件白色衬衫
一件紫红色针织毛衣
一副方形黑框眼镜

我是wells教授。
着装。。。
一双深色休闲皮鞋
一件白色衬衫
一副方形黑框眼镜

Process finished with exit code