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文章目录
  1. 装饰模式

装饰模式

  • 动态地给一个对象添加一些额外的职责。就增加功能来说，相比生成子类更加灵活
    Decorator
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public interface IMoudle {
    void build();
}
public class PhoneFrame implements IMoudle {
    @Override
    public void build() {
        System.out.println("构建手机基础框架");
    }
}
//装饰器模块的父类
public class DecoratorMoudle implements IMoudle {
    protected IMoudle imoudle;
    public DecoratorMoudle(IMoudle moudle){
        imoudle=moudle;
    }
    @Override
    public void build() {
        System.out.println("doingNothind");
    }
}
public class Battery extends DecoratorMoudle {
    private int mAh;
    public Battery(IMoudle targetMoudle, Integer mAh) {
        super(targetMoudle);
        this.mAh = mAh;
    }
    @Override
    public void build() {
        imoudle.build();
        System.out.println("接入电池完成，容量：" + mAh+"mAH");
    }
}
public class CPU extends DecoratorMoudle {
    private String cpuName;
    public CPU(IMoudle targetMoudle, String cpuName) {
        super(targetMoudle);
        this.cpuName = cpuName;
    }
    @Override
    public void build() {
        imoudle.build();
        System.out.println("接入CPU完成，型号：" + cpuName);
    }
}
public class App {
    public static void main(String[] args) {
        IMoudle phone = new Battery(new CPU(new PhoneFrame(), "A8"), 5000);
        phone.build();
        System.out.println("phone构建完毕");
    }
}
文章目录
  1. 装饰模式