\u5728\u8bbe\u8ba1\u826f\u597d\u7684\u7a0b\u5e8f\u4e2d\uff0c\u6bcf\u4e2a\u7c7b\u4ec5\u8d1f\u8d23\u4e00\u4ef6\u4e8b\u60c5\u3002\u5982\u679c\u4e00\u4e2a\u7c7b\u4e0e\u591a\u79cd\u7c7b\u578b\u4ea7\u54c1\u4ea4\u4e92\uff0c\u5c31\u53ef\u4ee5\u8003\u8651\u5c06\u5de5\u5382\u65b9\u6cd5\u62bd\u53d6\u5230\u72ec\u7acb\u7684\u5de5\u5382\u7c7b\u6216\u5177\u5907\u5b8c\u6574\u529f\u80fd\u7684\u62bd\u8c61\u5de5\u5382\u4e2d<\/p>\n<\/blockquote>\n<\/li>\n<\/ul>\n
\u4ee3\u7801\u6846\u67b6<\/h4>\nfrom __future__ import annotations\nfrom abc import ABC, abstractmethod\n\nclass AbstractFactory(ABC):\n @abstractmethod\n def create_product_a(self) -> AbstractProductA:\n pass\n\n @abstractmethod\n def create_product_b(self) -> AbstractProductB:\n pass\n\nclass ConcreteFactory1(AbstractFactory):\n\n def create_product_a(self) -> AbstractProductA:\n return ConcreteProductA1()\n\n def create_product_b(self) -> AbstractProductB:\n return ConcreteProductB1()\n\nclass ConcreteFactory2(AbstractFactory):\n\n def create_product_a(self) -> AbstractProductA:\n return ConcreteProductA2()\n\n def create_product_b(self) -> AbstractProductB:\n return ConcreteProductB2()\n\nclass AbstractProductA(ABC):\n\n @abstractmethod\n def useful_function_a(self) -> str:\n pass\n\nclass ConcreteProductA1(AbstractProductA):\n def useful_function_a(self) -> str:\n return "The result of the product A1."\n\nclass ConcreteProductA2(AbstractProductA):\n def useful_function_a(self) -> str:\n return "The result of the product A2."\n\nclass AbstractProductB(ABC):\n\n @abstractmethod\n def useful_function_b(self) -> None:\n pass\n\n @abstractmethod\n def another_useful_function_b(self, collaborator: AbstractProductA) -> None:\n pass\n\nclass ConcreteProductB1(AbstractProductB):\n def useful_function_b(self) -> str:\n return "The result of the product B1."\n\n def another_useful_function_b(self, collaborator: AbstractProductA) -> str:\n result = collaborator.useful_function_a()\n return f"The result of the B1 collaborating with the ({result})"\n\nclass ConcreteProductB2(AbstractProductB):\n def useful_function_b(self) -> str:\n return "The result of the product B2."\n\n def another_useful_function_b(self, collaborator: AbstractProductA):\n\n result = collaborator.useful_function_a()\n return f"The result of the B2 collaborating with the ({result})"\n\ndef client_code(factory: AbstractFactory) -> None:\n\n product_a = factory.create_product_a()\n product_b = factory.create_product_b()\n\n print(f"{product_b.useful_function_b()}")\n print(f"{product_b.another_useful_function_b(product_a)}", end="")\n\nif __name__ == "__main__":\n\n print("Client: Testing client code with the first factory type:")\n client_code(ConcreteFactory1())\n\n print("\\n")\n\n print("Client: Testing the same client code with the second factory type:")\n client_code(ConcreteFactory2())<\/code><\/pre>\n\u4ee3\u7801\u793a\u4f8b<\/h4>\n
FactoryProducer<\/em> \u7c7b\u83b7\u53d6 AbstractFactory<\/em> \u5bf9\u8c61\u3002\u5b83\u5c06\u5411 AbstractFactory<\/em> \u4f20\u9012\u5f62\u72b6\u4fe1\u606f Shape<\/em>\uff08CIRCLE \/ RECTANGLE \/ SQUARE<\/em>\uff09\uff0c\u4ee5\u4fbf\u83b7\u53d6\u5b83\u6240\u9700\u5bf9\u8c61\u7684\u7c7b\u578b\u3002\u540c\u65f6\u5b83\u8fd8\u5411 AbstractFactory<\/em> \u4f20\u9012\u989c\u8272\u4fe1\u606f Color<\/em>\uff08RED \/ GREEN \/ BLUE<\/em>\uff09\uff0c\u4ee5\u4fbf\u83b7\u53d6\u5b83\u6240\u9700\u5bf9\u8c61\u7684\u7c7b\u578b\u3002<\/p>\n![\"\"](\"https:\/\/lingbo.online\/wp-content\/uploads\/2024\/09\/1725726802-image-20240908002828820.png\")
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from __future__ import annotations\nfrom abc import ABC, abstractmethod\n\nclass AbstractFactory(ABC):\n @abstractmethod\n def get_shape(self, shape) -> Shape:\n pass\n\n @abstractmethod\n def get_color(self, color) -> Color:\n pass\n\nclass ShapeFactory(AbstractFactory):\n\n def get_shape(self, shape) -> Shape:\n if shape == "Circle":\n return Circle()\n elif shape == "Square":\n return Square()\n elif shape == "Rectangle":\n return Rectangle()\n else:\n raise NotImplementedError(f" The {shape} has not be implemented")\n\n def get_color(self, color) -> str:\n pass\n\nclass ColorFactory(AbstractFactory):\n\n def get_shape(self, shape) -> str:\n pass\n\n def get_color(self, color) -> Color:\n if color == "Red":\n return Red()\n elif color == "Green":\n return Green()\n elif color == "Blue":\n return Blue()\n else:\n raise NotImplementedError(f" The {color} has not be implemented")\n\nclass Shape(ABC):\n\n @abstractmethod\n def draw(self) -> str:\n pass\n\nclass Circle(Shape):\n def draw(self) -> str:\n return "\u753b\u4e86\u4e00\u4e2a\u5706"\n\nclass Square(Shape):\n def draw(self) -> str:\n return "\u753b\u4e86\u4e00\u4e2a\u6b63\u65b9\u5f62"\n\nclass Rectangle(Shape):\n def draw(self) -> str:\n return "\u753b\u4e86\u4e00\u4e2a\u957f\u65b9\u5f62"\n\nclass Color(ABC):\n\n @abstractmethod\n def fill(self) -> None:\n pass\n\nclass Red(Color):\n def fill(self) -> str:\n return "\u586b\u5145\u4e86\u7ea2\u8272"\n\nclass Green(Color):\n def fill(self) -> str:\n return "\u586b\u5145\u4e86\u7eff\u8272"\n\nclass Blue(Color):\n def fill(self) -> str:\n return "\u586b\u5145\u4e86\u84dd\u8272"\n\nclass FactoryProducer:\n @classmethod\n def get_factory(self,choice) -> AbstractFactory:\n if choice == "shape":\n return ShapeFactory()\n elif choice == "color":\n return ColorFactory()\n else:\n raise NotImplementedError(f"The {choice} has not be implemented")\n\nif __name__ == "__main__":\n shape_list = ["Circle", "Rectangle", "Square", "Circle", "Rectangle"]\n color_list = ["Red", "Green", "Blue", "Blue", "Green"]\n\n shape_factory = FactoryProducer.get_factory("shape")\n color_factory = FactoryProducer.get_factory("color")\n\n for shp, col in zip(shape_list, color_list):\n shape = shape_factory.get_shape(shp)\n print(shape.draw())\n color = color_factory.get_color(col)\n print(color.fill())<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u8bbe\u8ba1\u6a21\u5f0f\u2014\u2014\u62bd\u8c61\u5de5\u5382 \u6982\u8ff0 \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\uff08Abstract Factory Pattern\uff09\u662f\u4e00\u79cd\u521b\u5efa\u578b\u8bbe\u8ba1\u6a21\u5f0f\u3002\u4ed6\u80fd\u521b\u5efa\u4e00\u4e9b\u5217\u76f8 …<\/p>\n","protected":false},"author":1,"featured_media":878,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[47],"tags":[48],"class_list":["post-867","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-design-pattern","tag-48"],"_links":{"self":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts\/867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/comments?post=867"}],"version-history":[{"count":1,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts\/867\/revisions"}],"predecessor-version":[{"id":870,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts\/867\/revisions\/870"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/media\/878"}],"wp:attachment":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/media?parent=867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/categories?post=867"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/tags?post=867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\"](\"https:\/\/lingbo.online\/wp-content\/uploads\/2024\/09\/1725726801-image-20240907225156431.png\")
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