38 lines
816 B
C++
38 lines
816 B
C++
/**
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* @name 抽象工厂模式
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* @brief: 创建相关对象族
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* @note 场景：跨平台UI组件库（如 Windows/macOS 按钮+文本框组合）
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*/
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class Button {
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public:
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virtual void render() = 0;
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};
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class WinButton : public Button {
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public:
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void render() override {}
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};
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class MacButton : public Button {
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public:
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void render() override {}
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};
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class GUIFactory {
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public:
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virtual Button* createButton() = 0;
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};
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class WinFactory : public GUIFactory {
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Button* createButton() override { return new WinButton(); }
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};
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class MacFactory : public GUIFactory {
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Button* createButton() override { return new MacButton(); }
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};
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int main()
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{
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// 使用
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GUIFactory* factory = new WinFactory(); // 根据配置切换
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Button* btn = factory->createButton();
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btn->render();
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return 0;
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} |