Day8 吃货联盟订餐系统

public class 订餐系统 {
    public static void main(String[] args) {
        System.out.println("*********欢迎来到吃货联盟***********");
        String[] dishes = {"宫保鸡丁", "蒸熊掌", "红烧鲫鱼", "佛跳墙", "麻婆豆腐" };
        int[] prices = {36, 45, 54, 78, 21};
        int[] honors = new int[5];
        final double SEND_PRICE = 6;
        String[][] bills = new String[100][];
        Scanner s = new Scanner(System.in);
        int choice ;
        do {
            System.out.println("1、我要订餐");
            System.out.println("2、查看订单");
            System.out.println("3、确认订单");
            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.println("请进行您的选择：");
            choice=s.nextInt();
            switch (choice) {
                case 1://我要订餐
                    System.out.println("*****请开始点餐*****");
                    System.out.print("请输入您的姓名");
                    String name = s.next();
                    //展示菜单
                    System.out.println("序号t菜名tt价格t点赞数");
                    for (int i = 0; i < dishes.length; i++) {
                        System.out.println(i + 1 + "t" + dishes[i] + "t" + prices[i] + "tt" + honors[i]);
                    }
                    System.out.println("请输入您要点的菜品编号：");
                    int num = s.nextInt();
                    System.out.println("请输入份数：");
                    int fen = s.nextInt();
                    System.out.println("请输入要送餐的时间（10-20）点：");
                    int time = s.nextInt();
                    System.out.println("请输入要送餐的地址：");
                    String add = s.next();
                    double total = prices[num - 1] * fen;
                    total = total > 100 ? total : total + SEND_PRICE;//三元表达式判断配送费
                    System.out.println("------------------------------");
                    System.out.println("恭喜点餐成功，您点的餐为：" + dishes[num - 1] + "n份数为：" + fen + "n送餐时间为：" + time + "n送餐地址为：" + add + "n总金额为：" + total);
                    //插入订单
                    for (int i = 0; i < bills.length; i++) {
                        if (bills[i] == null) {
                            bills[i] = new String[]{dishes[num - 1] + "t" + fen + "t" + total + "t" + name + "t" + time + "t" + add, "已预订" };
                            break;
                        }
                    }
                    break;
                case 2://查看订单
                    System.out.println("*****查看您的订单*****");
                    System.out.println("序号t菜名tt份数t总价t时间t送餐地址t状态");
                    for (int i = 0; i < bills.length; i++) {
                        if (bills[i] == null) {
                            break;
                        }
                        System.out.println(i + 1 + "t" + bills[i][0] + "t" + bills[i][1]);
                    }
                    break;
                case 3://确认订单
                    System.out.println("*****请选择要确认的订单编号*****");
                    int billNum = s.nextInt();
                    if (bills[billNum - 1] == null) {
                        System.out.println("订单不存在");
                    } else if (bills[billNum - 1][1].equals("已完成")) {
                        System.out.println("订单已完成，不能重复确认！");
                    } else {
                        bills[billNum - 1][1] = "已完成";
                        System.out.println("订单确认成功！");
                    }
                    break;
                case 4://删除订单
                    System.out.println("查看订单");
                    System.out.println("序号t菜名tt份数t总价t时间t送餐地址t状态");
                    for (int i = 0; i < bills.length; i++) {
                        if (bills[i] == null) {
                            break;
                        }
                        System.out.println(i + 1 + "t" + bills[i][0] + "t" + bills[i][1]);
                    }
                    System.out.println("请选择要删除的订单编号");
                    int delNum = s.nextInt();
                    if (bills[delNum - 1] == null) {
                        System.out.println("订单不存在，删除失败");
                    } else if (bills[delNum - 1][1].equals("已预订")) {
                        System.out.println("订单未完成，不能删除！");
                    } else {
                        for (int i = delNum - 1; i < bills.length; i++) {
                            bills[i] = bills[i + 1];
                            if (bills[i + 1] == null) {
                                break;
                            }
                            bills[delNum - 1][1] = "已完成";
                            System.out.println("订单删除成功！");
                        }
                    }
                    break;
                case 5://进行点赞
                    System.out.println("序号t菜名tt价格t点赞数");
                    for (int i = 0; i < dishes.length; i++) {
                        System.out.println(i + 1 + "t" + dishes[i] + "t" + prices[i] + "tt" + honors[i]);
                    }
                    System.out.println("请输入您要点赞的菜品");
                    int honorNum=s.nextInt();
                    honors[honorNum-1]++;
                    break;
                case 6:
                    break;
                default:
            }
        } while (choice > 0 && choice < 60);
        System.out.println("谢谢惠顾，欢迎下次光临");
    }
}