PHP design pattern factory method

The content of this article is about the factory method of PHP design pattern, which has a certain reference value. Now I share it with everyone. Friends in need can refer to it

Today I focused on learningFactory Method (FactoryMethod)This design pattern, the following are some of my learning experiences and experiences, make a record:

Factory Method It is one of the creational modes among the 23 modes. Since I have some understanding of simple factories before, the factory method is an evolution of simple factories. It can be seen from simple factories that a class that interacts with the client must It is a tiring process to create multiple different classes, and the factory method is to split this interactive class on its basis so that each class can be created independently to facilitate horizontal expansion.

Take creating a game character as an example:

"; } } /** ZhangFei 张飞 * 具体英雄类 */ Class ZhangFei implements Hero { function Create() { echo "张飞加入战场。。。
"; } } /** FactoryMethod * 工厂方法接口 */ interface FactoryMethod { function CreateHero(); } /** GuanYuFactory * 关羽工厂类 */ Class GuanYuFactory implements FactoryMethod { function CreateHero() { return new GuanYu(); } } /** ZhangFeiFactory * 张飞工厂类 */ Class ZhangFeiFactory implements FactoryMethod { function CreateHero() { return new ZhangFei(); } }

CreateHero(); $ZhangFei = $ZFF->CreateHero(); // 调用各自创建英雄方法 $GuanYu->Create(); $ZhangFei->Create();

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