Day8吃货联盟订餐系统

import java.util.Scanner;
/**

• 吃货联盟订餐系统
  /
  public class ChiHuoLianMeng {
  public static void main(String[] args) {
  Scanner input = new Scanner(System.in);
  //数据主体
  String[] shiPing={“红烧排骨”,“青椒肉丝”,“小鸡炖蘑菇”};
  double[] money={18.0,38.0,20};
  int[] dinZanShu=new int[3];
  double sum=0; //总餐费
  //数据主体
  String[] person=new String[4]; //订单人
  String[] canPing=new String[4]; //餐品信息
  int[]time=new int[4]; //送餐时间
  String[] diZhi = new String[4]; //送餐地址
  int[] dinDanZT=new int[4]; //定单状态 0 ：已预定 1：已完成
  double[] prices = new double[4]; //总价格
  //初始化两条订单
  person[0]=“李爽”;
  canPing[0]=“红烧排骨”;
  time[0]=12;
  diZhi[0]=“聚友公寓”;
  dinDanZT[0]=0;
  prices[0]=24.0; //一份18元总金额未达到50 另加五元送餐费
  person[1]=“李爽”;
  canPing[1]=“青椒肉丝2份”;
  time[1]=13;
  diZhi[1]=“时瑞大厦”;
  dinDanZT[1]=0;
  prices[1]=76.0; //一份38元 两份达到50元不需要另加5元送餐费
  System.out.println(“欢迎使用吃货联盟订餐系统”);
  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.println(“请选择：”);
  int num = input.nextInt();
  if (num>=6){
  System.out.println(“欢迎下次使用吃货联盟系统”);
  break;
  }
  boolean flag = false;
  switch (num){
  case 1:
  System.out.println(“我要订餐”);
  for (int i =0;i<person.length;i++){ //寻找空位置
  if (person[i]null){
  flag=true; //记录一下已经找到一个为空的位置
  //显示餐品信息
  System.out.println(“序号\t餐品名\t\t单价\t点赞数”);
  for (int j = 0; j <person.length-1 ; j++) {
  System.out.println((j+1)+"\t\t"+shiPing[j]+"\t"+money[j]+“元\t”+dinZanShu[j]+“点赞”);
  }
  //输入提示信息
  System.out.print(“请输入您要点的食物：”);
  int num1=input.nextInt();
  System.out.print(“请输入您要点的份数：”);
  int num2 = input.nextInt();
  System.out.print(“请输入您的姓名：”);
  String name=input.next();
  System.out.print(“请输入您的地址：”);
  String dizhi=input.next();
  System.out.print(“请输入送餐时间(8:00-18:00)”);
  int shijian = input.nextInt();
  while (shijian>18||shijian<8){
  System.out.println(“您输入的有误，请重新输入”);
  shijian = input.nextInt();
  }
  //计算餐费
  sum=money[num1-1]*num2;
  int canfei=(sum>50)? 0:5;
  //显示订单信息
  System.out.println(“订餐成功”);
  System.out.println(“您订的食物为”+shiPing[num-1]+"，订了"+num2+“份”);
  System.out.println(“订餐人:”+name);
  System.out.println(“订餐地址:”+dizhi);
  System.out.println(“送餐时间:”+shijian+":00");
  System.out.println(“餐费:”+sum+"\t送餐费:"+canfei);
  System.out.println(“总金额为:”+(sum+canfei));
  //保存数据
  person[i]=name;
  canPing[i]=shiPing[num-1]+num2;
  time[i]=shijian;
  diZhi[i]=dizhi;
  prices[i]=sum+canfei;
  break;
  }
  }
  if (!flag){
  System.out.println(“对不起，订餐人已满”);
  }
  break;
  case 2:
  System.out.println(“查看餐袋”);
  System.out.println(“序号\t订餐人\t\t\t所定餐品信息\t送餐时间\t送餐地址\t总金额\t状态”);
  for (int i = 0; i <person.length ; i++) { //输出参袋信息
  int zhuangtai=dinDanZT[i];
  if (zhuangtai0){
  if (person[i]!=null){
  System.out.println((i+1)+"\t\t"+person[i]+"\t\t\t"+canPing[i]+"\t\t"+time[i]+"\t\t\t"+diZhi[i]+"\t"+money[i]+"\t"+“已预定”);
  }
  }else if (person[i]!=null){
  System.out.println((i+1)+"\t\t"+person[i]+"\t\t"+canPing[i]+"\t\t"+time[i]+"\t\t\t"+diZhi[i]+"\t"+money[i]+"\t"+“已完成”);
  }
  }
  break;
  case 3:
  System.out.println(“签收订单”);
  System.out.println(“请输入要签收的订单序号”);
  int num3=input.nextInt();
  boolean flag1=false;
  for (int i = 0; i <person.length ; i++) { //判断订单状态
  if (person[i]!=null&&dinDanZT[i]1&&num3i+1){
  System.out.println(“对不起你选择的订单已完成，不可签收”);
  flag=true;
  break;
  }else if(person[i]!=null&&dinDanZT[i]0&&num3i+1){
  System.out.println(“签收成功”);
  dinDanZT[i]=1;
  flag=true;
  break;
  }
  }
  if (!flag){
  System.out.println(“对不起，此订单不存在”);
  }
  break;
  case 4:
  System.out.println(“删除订单”);
  System.out.println(“请输入你要删除的订单：”);
  int num4=input.nextInt();
  boolean shanchu=false;
  for (int i = 0; i <person.length ; i++) { //找到要删除的订单，找到的话从后往前覆盖
  if (person[i]!=null&&dinDanZT[i]1&&num4i+1){
  for (int j = num4-1; j <person.length-1 ; j++) {
  person[j]=person[j+1];
  canPing[j]=canPing[j+1];
  time[j]=time[j+1];
  diZhi[j]=diZhi[j+1];
  dinDanZT[j]=dinDanZT[j+1];
  }
  person[person.length-1]=null; //最后一组数据清空
  canPing[person.length-1]=null;
  time[prices.length-1]=0;
  diZhi[person.length-1]=null;
  dinDanZT[person.length-1]=0;
  shanchu=true;
  System.out.println(“已删除”);
  break;
  }else if (person[i]!=null&&dinDanZT[i]0&&num4i+1){
  System.out.println(“订单未签收 无法删除”);
  shanchu=true;
  break;
  }
  }
  if (!shanchu){
  System.out.println(“没找到订单，无法删除”);
  }
  break;
  case 5:
  System.out.println(“我要点赞”);
  System.out.println(“序号\t菜品名\t\t单价”); //输出订单信息
  for (int i = 0; i <person.length-1 ; i++) {
  if (dinZanShu[i]>0){
  System.out.println((i+1)+"\t\t"+shiPing[i]+"\t\t"+money[i]+"\t\t"+dinZanShu[i]+“赞”);
  }else {
  System.out.println((i+1)+"\t\t"+shiPing[i]+"\t\t"+money[i]);
  }
  }
  System.out.println(“请输入你要点赞的序号”);
  int num5=input.nextInt();
  for (int i = 0; i <person.length ; i++) {
  if (num5==(i+1)){
  dinZanShu[i]++;
  }
  }
  System.out.println(“点赞成功”);
  break;
  }
  System.out.print(“输入0返回”);
  num = input.nextInt();
  if (num!=0){
  System.out.println(“欢迎下次使用吃货联盟系统”);
  break;
  }
  }while (true);
  }
  }