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1、吃货联盟系统package 第三章;import java.util.Scanner;public class 吃货订餐系统 public static void main(String args) int xinXi =new int50;double zongJing = new double50;int renShu = new int50;int riQi = new int50;int zan = new int50;String dingCai = new String50;String xingMing = new String50;String diZhi = new Stri
2、ng50;String caiMing = new String5;double jiaGe = new double50;boolean zhuangTai = new boolean50;zhuangTai0 = false;zhuangTai1 = true;zhuangTai3 = false;caiMing0=阳痿抄蛋;caiMing1=阳痿盖饭;caiMing2=烧烤羊腿;caiMing3=蛋蛋抄肉;jiaGe0=88.8;jiaGe1=66.6;jiaGe2=22.3;jiaGe3=0.5;zan0=88;zan1=10;zan2=12;zan3=21;Scanner input
3、 = new Scanner(System.in);int qianShou=0;int end;String cai = null;doSystem.out.println(吃货联盟系统);System.out.println(1.查看菜单);System.out.println(2.我要订餐);System.out.println(3.查看订单);System.out.println(4.签收订单);System.out.println(5.删除订单);System.out.println(6.我要点赞);System.out.println(7.退出系统);System.out.prin
4、tln();System.out.print(请选择：);int index=-1;switch(input.nextInt()case 1:System.out.println(-查看菜单);System.out.println(_);System.out.println(|+序号+ +|+t+菜名+t+|+价格+ +|+赞数+ +|);System.out.println(|_|_|_|_|);for(int i=0;i我要订餐);System.out.println(输入菜名); cai=input.next();for(int i=0;icaiMing.length;i+) if(ca
5、iMingi=null) System.out.println(抱歉我家暂时还没有这个菜请您见谅); break; else if(caiMingi.equals(cai)index=i;break; if(index!=-1) for(int j=0;jdingCai.length;j+) if(dingCaij=null)dingCaij=caiMingindex; System.out.println(请输入贵姓);xingMingj=input.next();System.out.println(请输入人数);renShuj=input.nextInt();System.out.pri
6、ntln(请输入份数);xinXij=input.nextInt();System.out.println(请输入日期);int dates=input.nextInt();while(dates31)if(dates31)System.out.println(请重新输入一月为131);dates=input.nextInt();riQij=dates;System.out.println(请输入地址);diZhij=input.next();System.out.println(订餐成功);zhuangTaij=false;zongJingj=jiaGeindex*xinXij;break;
7、 break;case 3:System.out.println(-查看订单);System.out.println(n+单号+t+贵姓+t+人数+t+菜品信息+tt+送达日期+t+地址+t+总金+t+状态+n);for(int i=0;i签收订单);System.out.println(请输入签收单号);qianShou=input.nextInt();for(int i=0;idingCai.length | qianShou删除订单);System.out.println(请输入签收单号);qianShou=input.nextInt();for(int i=0;idingCai.len
8、gth | qianShou0)System.out.println(您收入的单号有问题，无法删除);break;else if(i=(qianShou-1) & zhuangTaii=true)System.out.println(订单已完成无法删除，抱歉);break;if(index!=-1)for(int i=index;i选择点赞);System.out.println(输入点赞菜名); cai=input.next();for(int i=0;icaiMing.length;i+)if(caiMingi.equals(cai)zani+;System.out.println(点赞成功，谢谢点赞);break;else if(caiMingi=null)System.out.println(输入有误，抱歉);break;break;case 7:
