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37 lines (35 loc) · 1.7 KB
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package decorator;
/**
* @author : CodeWater
* @create :2022-05-13-15:27
* @Function Description :
*/
public class CoffeeBar {
public static void main(String[] args) {
// TODO Auto-generated method stub
// 装饰者模式下的订单:2 份巧克力+一份牛奶的 LongBlack
// 1. 点一份 LongBlack
Drink order = new LongBlack();
System.out.println("费用 1=" + order.cost());
System.out.println("描述=" + order.getDes());
// 2. order 加入一份牛奶
order = new Milk(order);
System.out.println("order 加入一份牛奶 费用 =" + order.cost());
System.out.println("order 加入一份牛奶 描述 = " + order.getDes());
// 3. order 加入一份巧克力
order = new Chocolate(order);
System.out.println("order 加入一份牛奶 加入一份巧克力 费用 =" + order.cost());
System.out.println("order 加入一份牛奶 加入一份巧克力 描述 = " + order.getDes());
// 3. order 加入一份巧克力
order = new Chocolate(order);
System.out.println("order 加入一份牛奶 加入 2 份巧克力 费用 =" + order.cost());
System.out.println("order 加入一份牛奶 加入 2 份巧克力 描述 = " + order.getDes());
System.out.println("===========================");
Drink order2 = new DeCaf();
System.out.println("order2 无因咖啡 费用 =" + order2.cost());
System.out.println("order2 无因咖啡 描述 = " + order2.getDes());
order2 = new Milk(order2);
System.out.println("order2 无因咖啡 加入一份牛奶 费用 =" + order2.cost());
System.out.println("order2 无因咖啡 加入一份牛奶 描述 = " + order2.getDes());
}
}