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                **抽象工廠模式(Abstract Factory Pattern)**:提供一個創建一系列相關或相互依賴對象的接口,而無須指定它們具體的類。抽象工廠模式又稱為Kit模式,屬于對象創建型模式。 所謂抽象工廠模式就是我們的抽象工廠約定了可以生產的產品,這些產品都包含多種規格,然后我們可以從抽象工廠為每一種規格派生出具體工廠類,然后讓這些具體工廠類生產具體的產品。<br> 抽象工廠模式包含如下角色: * AbstractFactory:抽象工廠 * ConcreteFactory:具體工廠 * AbstractProduct:抽象產品 * Product:具體產品 ``` <?php abstract class AbstractProductA //抽象產品類 { abstract public function use(); } class ProductA1 extends AbstractProductA //具體產品類 { public function use(){ var_dump('productA1'); } } abstract class AbstractFactory //抽象工廠類 { abstract public function createProductA(); } class ConcreteFactory1 extends AbstractFactory //具體工廠類 { public function createProductA() { return new ProductA1(); } } $a=new ConcreteFactory1(); $b=$a->createProductA(); $b->use(); // 打印出string(9) "productA1" ?> ```
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