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文章目录
  1. 外观模式

外观模式

  • 为子系统中的一组接口提供一个一致的界面，定义了一个高层接口使得子系统更加容易使用

Facade

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public interface IMoudle {
    String getName();
    void add(IMoudle moudle);
    void remove(IMoudle moudle);
}
public class Moudle implements IMoudle {
    private String name;
    private List<IMoudle> childrenMoudleList;
    public Moudle(int price, String name) {
        this.name = name;
        childrenMoudleList = new ArrayList<>();
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    @Override
    public void add(IMoudle moudle) {
        childrenMoudleList.add(moudle);
    }
    @Override
    public void remove(IMoudle moudle) {
        childrenMoudleList.remove(moudle);
    }
    public List<IMoudle> getChildrenMoudleList() {
        return childrenMoudleList;
    }
    public void setChildrenMoudleList(List<IMoudle> childrenMoudleList) {
        this.childrenMoudleList = childrenMoudleList;
    }
}
public class Battery extends Moudle {
    public Battery(int price, String name) {
        super(price,name);
    }
}
public class CPU extends Moudle {
    public CPU(int price, String name) {
        super(price,name);
    }
}
public class Phone extends Moudle {
    public Phone(int price, String name) {
        super(price,name);
    }
}
public class PhoneMaker {
    private static class PhoneMakerDelegate extends PhoneMaker{
        public static PhoneMaker maker=new PhoneMakerDelegate();
    }
    private PhoneMaker() {
    }
    public static PhoneMaker instance() {
        return PhoneMakerDelegate.maker;
    }
    public IMoudle getMyPhone(String cpuName,Integer batteryCap){
        IMoudle phone=new Phone(100,"Iphone");
        IMoudle cpu=new CPU(300,cpuName);
        IMoudle battery=new Battery(batteryCap,"battery");
        phone.add(cpu);
        phone.add(battery);
        return phone;
    }
}
public class App {
    public static void main(String[] args) {
        IMoudle phone=PhoneMaker.instance().getMyPhone("A8",5000);
        System.out.println(JSON.toJSONString(phone));
    }
}
文章目录
  1. 外观模式