Java面向对象吃货联盟项目 （HashMap）

package Order; import javax.print.attribute.standard.OrientationRequested; import java.awt.*; import java.util.*; public class Test { public static void main(String[] args) { Scanner sc = new Scanner(System.in); Map<Integer, Dish> dishMap = new HashMap<Integer, Dish>(); Map<Integer, Order> orderMap = new HashMap<Integer, Order>(); //初始化菜品并添加菜品集合 Dish dish1 = new Dish(1, "鱼香肉丝", 35, 1); Dish dish2 = new Dish(2, "宫保鸡丁", 30, 0); Dish dish3 = new Dish(3, "回锅肉", 42, 0); Dish dish4 = new Dish(4, "地锅鸡", 35, 0); Dish dish5 = new Dish(5, "麻婆豆腐", 12, 0); Dish dish6 = new Dish(6, "黄焖鸡", 21, 0); dishMap.put(dish1.getDishId(), dish1); dishMap.put(dish2.getDishId(), dish2); dishMap.put(dish3.getDishId(), dish3); dishMap.put(dish4.getDishId(), dish4); dishMap.put(dish5.getDishId(), dish5); dishMap.put(dish6.getDishId(), dish6); //初始化订单 Order order1 = new Order(1, "薛立阳", dish1.getDishName(), 1, 10, "北大青鸟", dish1.getPrice() * 1, 0); Order order2 = new Order(2, "薛立阳", dish2.getDishName(), 1, 10, "北大青鸟", dish2.getPrice() * 1, 1); orderMap.put(order1.getOrderId(), order1); orderMap.put(order2.getOrderId(), order2); int count=2; //菜单 int choose = 1; //用户输入 boolean isExit = false; //是否退出,true为退出 do { System.out.println("****************"); System.out.println("1、我要订餐"); System.out.println("2、查看餐袋"); System.out.println("3、签收订单"); System.out.println("4、删除订单"); System.out.println("5、我要点赞"); System.out.println("6、退出系统"); System.out.println("****************"); System.out.print("请选择:"); choose = sc.nextInt(); //判断 switch (choose) { case 1: System.out.println("我要订餐---"); //新增订单 Order newOrder = new Order(); System.out.println("请输入订餐人姓名:"); newOrder.setName(sc.next()); //展示菜品信息 System.out.println("菜品编号" + "\t菜品名" + "\t\t价格" + "\t\t点赞数"); for (Dish dish : dishMap.values()) { System.out.println(dish.getDishId() + "\t\t" + dish.getDishName() + "\t\t" + dish.getPrice() + "\t\t" + (dish.getPraise() == 0 ? "" : dish.getPraise() + "赞")); } System.out.print("请选择菜品编号:"); int chooseId=sc.nextInt(); if(chooseId>dishMap.size()){ System.out.println("不存在的菜品,请重新点单:"); chooseId=sc.nextInt(); } newOrder.setOrderId(chooseId); System.out.print("请选择需要份数:"); newOrder.setCount(sc.nextInt()); System.out.println("请输入送餐时间(送餐时间是10点至20点间整点送餐)："); newOrder.setTime(sc.nextInt()); //判断是否在配送规定时间 while (newOrder.getTime() < 10 || newOrder.getTime() > 21) { System.out.println("您的输入有误，请输入10-20间的整数"); newOrder.setTime(sc.nextInt()); } System.out.println("请输入送餐地址："); newOrder.setAddress(sc.next()); //结算金额 newOrder.setSumPrice(newOrder.getCount() * dishMap.get(chooseId).getPrice()); if (newOrder.getSumPrice() < 50) { //如果金额小于50加五元配送费 System.out.println("总金额不足50,须加5元配送费"); newOrder.setSumPrice(newOrder.getSumPrice() + 5); } //打印信息 System.out.println("创建订单成功!"); System.out.println("您定的是:" + dishMap.get(newOrder.getOrderId()).getDishName() +"("+dishMap.get(newOrder.getOrderId()).getPrice()+"元)\t" + newOrder.getCount() + "份\n送餐时间是:" + newOrder.getTime() + "\n总计:" + newOrder.getSumPrice() + "元"); count++; newOrder.setOrderId(count); //存入数据 orderMap.put(newOrder.getOrderId(), newOrder); break; case 2: System.out.println("***查看餐袋***"); System.out.println("序号\t订餐人\t\t送餐时间\t\t送餐地址\t\t总金额\t订单状态"); for (Order order : orderMap.values()) { System.out.println(order.getOrderId() + "\t" + order.getName() + "\t\t" + order.getTime() + "\t\t\t" + order.getAddress() + "\t\t" + order.getSumPrice() + "\t\t" + (order.getState() == 0 ? "已预订" : "已送达")); } break; case 3: System.out.println("****签收订单****"); System.out.print("请输入要签收的订单号:"); int id = sc.nextInt(); if(id>orderMap.size()){ System.out.println("该订单不存在"); }else if(orderMap.get(id).getState() == 0){ System.out.println("签收成功"); orderMap.get(id).setState(1); }else if(orderMap.get(id).getState() == 1){ System.out.println("订单已签收,不能重复签收"); orderMap.get(id).setState(1); } break; case 4: System.out.println("***删除订单***"); System.out.print("请输入要删除的订单号:"); int delId = sc.nextInt(); boolean isDel=false; //查询订单 for (int i = 1; i <= count; i++) { //未签收 if(delId==i&&orderMap.get(i)!=null&&orderMap.get(i).getState()==0){ System.out.println("订单未签收,无法删除"); }else if(delId==i&&orderMap.get(i)!=null&&orderMap.get(i).getState()==1){ int j; for ( j = i; j < count; j++) { orderMap.put(j,orderMap.get(j+1)); //订单位置前移 } orderMap.remove(j); count--; isDel=true; System.out.println("删除成功"); break; } } if(!isDel){ System.out.println("不存在的订单"); } break; case 5: System.out.println("***我要点赞***"); //显示菜品信息 System.out.println("菜品编号" + "\t菜品名" + "\t\t价格" + "\t\t点赞数"); for (Dish dish : dishMap.values()) { Sys