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//定义集合,表示菜单
private static List<Dish> dishlist = new ArrayList<Dish>();
//吃饭的用户已点的菜品集合
private static List<Dish> personDish = new ArrayList<Dish>();
public static void main(String[] args) {
//初始化菜品
initDish();
Scanner scanner = new Scanner(System.in);
while(true){
//给用户展示主菜单
showmenu();
//获取内容
int num = scanner.nextInt();
switch (num) {
case 1:
while(true){
//菜单展示给用户
showDishMenu();
//获取用户输入的内容
int id = scanner.nextInt();
//判断
if (id == 0) {
break;
}
//从饭店的集合中获取到菜品的对象
Dish dish = dishlist.get(id-1);
System.out.println("亲,您点了:" dish.getName());
//用户点一个,存储一个
personDish.add(dish);
}
case 2:
//展示用户点的菜品
showPersonDish();
break;
case 3:
//买单
buy();
return;
default:
System.out.println("你的输入有误,请重新输入");
break;
}
}
}
//菜单展示给用户
public static void showDishMenu(){
System.out.println("------请您点菜-----");
for (Dish d : dishlist) {
System.out.println(d.toString());
}
System.out.println("----输入序号点菜,按0返回上一级");
}
//展示用户点的菜品
public static void showPersonDish(){
System.out.println(" ------您已点的菜-----");
for (Dish dish : personDish) {
System.out.println(dish.toString());
}
}
//买单
public static void buy(){
System.out.println(" 正在结算中 ");
double total = 0;
for (Dish dish : personDish) {
total = dish.getPrice();
}
System.out.println("亲,您本次消费了:" total " 元");
}
/**
* 主菜单
*/
public static void showmenu(){
System.out.println(" -------- 主菜单 -------- ");
System.out.println("菜单\t\t\t 1");
System.out.println("已点菜品\t\t\t 2");
System.out.println("买单\t\t\t 3");
System.out.println("*****请根据编号选择你的服务*****");
}
/**
* 初始化菜单
*/
public static void initDish(){
Dish d1 = new Dish(1, "炖王八", 45);
dishlist.add(d1);
Dish d2 = new Dish(2, "大腰子", 30);
dishlist.add(d2);
Dish d3 = new Dish(3, "牛肉面", 18);
dishlist.add(d3);
Dish d4 = new Dish(4, "胡辣汤", 8);
dishlist.add(d4);
Dish d5 = new Dish(5, "炒拉条", 12);
dishlist.add(d5);
Dish d6 = new Dish(6, "香辣肉丝", 25);
dishlist.add(d6);
dishlist.add(new Dish(7,"油焖大虾",80));
}
}