java实现简易外卖订餐系统

用java实现简易外卖订餐系统，供大家参考，具体内容如下

一、使用技术

javase

二、实现功能

外卖订餐系统

具体要求如下：

使用选择结构，循环结构，数组的知识实现一个外卖订餐系统

三、运行效果图

1.订餐功能

2.查看餐袋

3.签收订单

4.删除订单

5.点赞

6.退出

代码实现

public class order {
    public static void main(string[] args) {
        int zero = 1;
        int x = 0;//订单数组下标

        string[] name = new string[100];
        int[] time = new int[100];//点餐时间
        string[] menu = new string[100];
        double[] price = new double[100];
        int[] od = new int[100];//订单序号
        string[] adress = new string[100];//送餐地址
        int[] menunum = new int[100];//点菜份数
        string[] yuding = new string[100];//订单状态

        int a = 0;//点赞数
        int b = 0;//点赞数
        int c = 0;//点赞数
        int panduan = 0;//判断是否有此订单
        scanner sc = new scanner(system.in);
        do {
            system.out.println("欢迎使用“外卖订餐系统”");
            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.println("请选择：");
            int num = sc.nextint();
            while (num < 1 || num > 6) {
                system.out.println("您输入的选项没有，重新输入");
                num = sc.nextint();
            }
            if (num == 1) {
                od[x] = x + 1;
                yuding[x] = "已预订";
                system.out.println("***我要订餐***");
                system.out.println("请输入订餐人姓名：");
                name[x] = sc.next();
                system.out.println("序号" + "          " + "菜名" + "           " + "单价");
                system.out.println(1 + "    " + "红烧茄子" + "    " + 24.00);
                system.out.println(2 + "    " + "糖醋排骨" + "    " + 36.00);
                system.out.println(3 + "    " + "鱼香肉丝" + "    " + 32.00);
                system.out.println("请选择您想要点的菜品编号：");
                int bianhao = sc.nextint();
                while (bianhao < 1 || bianhao > 3) {
                    system.out.println("您选择的菜品没有，再次输入");
                    bianhao = sc.nextint();
                }

                if (bianhao == 1) {
                    menu[x] = "红烧茄子";
                    price[x] = 24.00;
                } else if (bianhao == 2) {
                    menu[x] = "糖醋排骨";
                    price[x] = 36.00;
                } else if (bianhao == 3) {
                    menu[x] = "鱼香肉丝";
                    price[x] = 32.00;
                }
                system.out.println("请选择您需要的份数：");
                menunum[x] = sc.nextint();
                while (menunum[x] < 1) {
                    system.out.println("您输入的数量不合法，再次选择");
                    menunum[x] = sc.nextint();
                }

                system.out.println("请选输入送餐时间（送餐时间是10点至20点间整点送餐）：");
                time[x] = sc.nextint();
                while (time[x] < 10 || time[x] > 20) {
                    system.out.println("您选择的时间不在送餐时间内,再次选择");
                    time[x] = sc.nextint();
                }

                system.out.println("请输入送餐地址");
                adress[x] = sc.next();

                system.out.println("订餐成功！！！");
                system.out.println("您订的是：" + menu[x] + " " + menunum[x] + "份");
                system.out.println("送餐时间：" + time[x] + "点");
                system.out.println("餐费：" + menunum[x] * price[x] + "元" + " "
                        + "送餐费：6元" + " " + "总计：" + (menunum[x] * price[x] + 6) + "元");

                system.out.println("输入0返回：");
                zero = sc.nextint();
                while (zero != 0) {
                    system.out.println("输入错误，再次输入");
                    zero = sc.nextint();
                }

                x++;
            } else if (num == 2) {
                zero = 1;

                system.out.println("***查看餐带***");
                system.out.println("序号" + "          " + "订餐人" + "        " + "餐品信息"
                        + "           " + "送餐时间" + "          " + "送餐地址"
                        + "            " + "总金额" + "           " + "订单状态");
                for (int i = 0; i < x; i++) {
                    if (od[i] != -1) {
                        system.out.println(od[i] + "      " + name[i] + "      " + menu[i]
                                + "       " + time[i] + "        " + adress[i]
                                + "       " + (menunum[i] * price[i] + 6)
                                + "       " + yuding[i]);
                    }
                }

                system.out.println("输入0返回：");
                zero = sc.nextint();
                while (zero != 0) {
                    system.out.println("输入错误，再次输入");
                    zero = sc.nextint();
                }
            } else if (num == 3) {
                zero = 1;

                system.out.println("***签收订单***");
                system.out.println("请选择要签收的订单的序号：");
                int numc = sc.nextint();
                for (int i = 0; i < od.length; i++) {
                    if (numc == od[i]) {
                        yuding[i] = "已签收";
                        system.out.println("订单签收成功！");
                        panduan = 1;
                    }
                }
                if (panduan != 1) {
                    system.out.println("无此订单");
                }


                system.out.println("输入0返回：");
                zero = sc.nextint();
                while (zero != 0) {
                    system.out.println("输入错误，再次输入");
                    zero = sc.nextint();
                }
            } else if (num == 4) {
                zero = 1;
                panduan = 0;
                system.out.println("***删除订单***");
                system.out.println("请选择要删除的订单的序号：");
                int numd = sc.nextint();
                for (int i = 0; i < od.length; i++) {
                    if (numd == od[i]) {
                        od[i] = -1;
                        system.out.println("订单删除成功！");
                        panduan = 1;
                    }
                }
                if (panduan != 1) {
                    system.out.println("无此订单");
                }
                system.out.println("输入0返回：");
                zero = sc.nextint();
                while (zero != 0) {
                    system.out.println("输入错误，再次输入");
                    zero = sc.nextint();
                }
            } else if (num == 5) {
                zero = 1;
                system.out.println("***我要点赞***");
                system.out.println("序号" + "          " + "菜名" + "           " + "单价");
                system.out.println(1 + "    " + "红烧茄子" + "    " + 24.00 + " " + a + "赞");
                system.out.println(2 + "    " + "糖醋排骨" + "    " + 36.00 + " " + b + "赞");
                system.out.println(3 + "    " + "鱼香肉丝" + "    " + 32.00 + " " + c + "赞");
                system.out.println("请选择要点赞的菜品的序号：");
                int zan = sc.nextint();
                while (zan < 1 || zan > 3) {
                    system.out.println("您输入的序号错误，再次输入");
                    zan = sc.nextint();
                }
                if (zan == 1) {
                    a++;
                } else if (zan == 2) {
                    b++;
                } else if (zan == 3) {
                    c++;
                }


                system.out.println("输入0返回：");
                zero = sc.nextint();
                while (zero != 0) {
                    system.out.println("输入错误，再次输入");
                    zero = sc.nextint();
                }
            } else if (num == 6) {
                zero = 1;
                system.out.println("谢谢使用，欢迎下次光临！");
                return;
            }

        } while (zero == 0);

    }
}

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