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DecoratorTest.java
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163 lines (137 loc) · 3.62 KB
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package btp.oneP;
import java.util.ArrayList;
import java.util.List;
public class DecoratorTest {
@SuppressWarnings("static-access")
public static void main(String[] args) {
OriginalCoffee originalCoffee = new OriginalCoffee();
double priceMilk = 10.0;
Milk milkCoffee = new Milk(originalCoffee,priceMilk);
milkCoffee.mixing();
System.out.println("当前咖啡中的配料："+milkCoffee.foodList);
System.out.println("当前咖啡价格："+milkCoffee.getPrice());
System.out.println("---------------------------");
double priceMatcha = 20.0;
Matcha matchaCoffee = new Matcha(milkCoffee,priceMatcha);
matchaCoffee.mixing();
System.out.println("当前咖啡中的配料："+matchaCoffee.foodList);
System.out.println("当前咖啡价格："+matchaCoffee.getPrice());
System.out.println("---------------------------");
double priceChocolate = 30.0;
Chocolate chocolateCoffee = new Chocolate(matchaCoffee,priceChocolate);
chocolateCoffee.mixing();
System.out.println("当前咖啡中的配料："+chocolateCoffee.foodList);
System.out.println("当前咖啡价格："+chocolateCoffee.getPrice());
System.out.println("---------------------------");
}
}
/**
* 装饰品和被装饰器的共同接口
*
*/
interface CoffeeTaste{
//返回价格
double getPrice();
//搅拌咖啡
void mixing();
}
/**
* 原始的被装饰器
*
*/
class OriginalCoffee implements CoffeeTaste{
private String name;
public OriginalCoffee(){
name = "原味咖啡";
System.out.println("原味咖啡的价格是：50");
}
@Override
public double getPrice() {
//原味咖啡的价钱
return 50;
}
@Override
public void mixing() {
System.out.println("--搅拌咖啡");
}
}
/**
* 装饰品的共同父类
*
*/
abstract class SnacksAndDesserts implements CoffeeTaste{
public static List<String> foodList= new ArrayList<String>();
//小食和甜品的价格
private double additionalPrice;
//要加入小食和甜品的咖啡
CoffeeTaste coffeeTaste;
public SnacksAndDesserts(CoffeeTaste coffeeTaste,double additionalPrice){
this.coffeeTaste = coffeeTaste;
this.additionalPrice = additionalPrice;
}
//返回价格
@Override
public double getPrice() {
double priceNow = coffeeTaste.getPrice()+additionalPrice;
return priceNow;
}
abstract void add();
}
/**
* 牛奶类
*
*/
class Milk extends SnacksAndDesserts{
public Milk(CoffeeTaste coffeeTaste, double additionalPrice) {
super(coffeeTaste, additionalPrice);
System.out.println("O(∩_∩)O~~牛奶的价格是："+additionalPrice);
}
@Override
void add() {
System.out.println("--咖啡中加入牛奶");
SnacksAndDesserts.foodList.add("牛奶");
}
@Override
public void mixing() {
add();
System.out.println("--牛奶加入咖啡中搅拌");
}
}
/**
* 抹茶类
*/
class Matcha extends SnacksAndDesserts{
public Matcha(CoffeeTaste coffeeTaste, double additionalPrice) {
super(coffeeTaste, additionalPrice);
System.out.println("O(∩_∩)O~~抹茶的价格是："+additionalPrice);
}
@Override
void add() {
System.out.println("--咖啡中混入抹茶");
SnacksAndDesserts.foodList.add("抹茶");
}
@Override
public void mixing() {
add();
System.out.println("--抹茶加入咖啡中搅拌");
}
}
/**
* 巧克力类
*/
class Chocolate extends SnacksAndDesserts{
public Chocolate(CoffeeTaste coffeeTaste, double additionalPrice) {
super(coffeeTaste, additionalPrice);
System.out.println("O(∩_∩)O~~巧克力的价格是："+additionalPrice);
}
@Override
void add() {
System.out.println("--咖啡中加入巧克力");
SnacksAndDesserts.foodList.add("巧克力");
}
@Override
public void mixing() {
add();
System.out.println("--咖啡加入咖啡中搅拌");
}
}