java实现简易外卖订餐系统

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这篇文章主要为大家详细介绍了java实现简易外卖订餐系统，文中示例代码介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们可以参考一下
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);
  }
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持CodeAE代码之家。
原文链接：https://blog.csdn.net/qq_60806092/article/details/120595927