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# 如果有一个选择结构来决定实现不同的类，再面向对象设计里面一般把这个选择做成一个类，叫做工厂模式
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# 定义一个ProductFactory类，用于创建不同类型的商品实例（如电子产品、书籍等）。具体的产品由子类实现。
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#
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class Product:
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def __init__(self, name, price):
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self.name = name
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self.price = price
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class Electronic(Product):
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def __init__(self, name, price, brand):
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super().__init__(name, price)
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self.brand = brand
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class Book(Product):
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def __init__(self, name, price, author):
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super().__init__(name, price)
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self.author = author
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class ProductFactory:
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@staticmethod
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def create_product(product_type, *args, **kwargs):
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if product_type == 'electronic':
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return Electronic(*args, **kwargs)
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elif product_type == 'book':
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return Book(*args, **kwargs)
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else:
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raise ValueError("Invalid product type")
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# 使用工厂方法创建产品
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product = ProductFactory.create_product('book', 'Python编程艺术', 50.0, 'Mark Lutz')
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