package com.bd22;

import java.util.Scanner;/** 欢迎使用“吃货联盟订餐系统

* 1.我要订餐

* 2.查看餐袋

* 3.签收订单

* 4.删除订单

* 5.我要点赞

* 6.退出系统*/

public classWork1 {public static voidmain(String[] args) {

Scanner input= new Scanner(System.in);int num = -1;

boolean isExit= false;

String[]names= new String[4];

String[]dishMegs= new String[4];int[]times = new int[4];

String[]addresses= new String[4];

String[]dishNames= {"红烧带鱼","鱼香肉丝","时令鲜蔬"};double[]prices = new double[] {38.0,20.0,10.0};int[]praiseNums =new int[3];int[]states = new int[4];//保存订单状态：0已经预定；1已经完成

double[]sumPrices = new double[4];

System.out.println("欢迎使用“吃货联盟订餐系统”");do{

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("请选择：");int choose =input.nextInt();switch(choose){case 1:

System.out.println("我要订餐");

Boolean isAdd= false;for(int j = 0;j

isAdd= true;

System.out.println("请输入订餐人姓名：");

String name=input.next();

System.out.println("序号"+"\t"+"菜名"+"\t"+"单价"+"\t"+"点赞数");for(int i= 0;i

String price=prices[i]+"元";

String priaiseNum=(praiseNums[i])>0?praiseNums[i]+"赞":"0";

System.out.println((i+1)+"\t"+dishNames[i]+"\t"+price+"\t"+priaiseNum);

}

System.out.println("请选择您要点的菜品编号：");int chooseDish =input.nextInt();

System.out.println("请选择您需要的份数：");int number =input.nextInt();

String dishMeg= dishNames[chooseDish-1]+""+number+"份";double sumPrice = prices[chooseDish-1]*number;double deliCharge = 5;

System.out.println("请输入送餐时间(送餐时间是10点至20点整点送餐)：");int time =input.nextInt();while(time<10||time>20) {

System.out.println("您的输入有误，请输入10~20间的整数！");

time=input.nextInt();

}

System.out.println("请输入送餐地址：");

String address=input.next();

System.out.println("订餐成功！");

System.out.println("您订的是："+dishMeg);

System.out.println("送餐时间为"+time+"点");

System.out.println("餐费为："+sumPrice+"元，送餐费"+deliCharge+"元，总价："+(sumPrice+deliCharge)+"元。");

names[j]=name;

dishMegs[j]=dishMeg;

times[j]=time;

addresses[j]=address;

sumPrices[j]=sumPrice+deliCharge;break;

}if(!isAdd) {

System.out.println("对不起，您的餐袋已满！");

}break;

}break;case 2:

System.out.println("查看餐袋");

System.out.println("序号\t订餐人\t餐品信息\t\t送餐时间\t送餐地址\t\t总金额\t订单状态");for(int i = 0;i

String state= (states[i]==0)?"已经预定":"已经完成";

String date= times[i]+"点";

String sumPrice= sumPrices[i]+"元";

System.out.println((i+1)+"\t"+names[i]+"\t"+dishMegs[i]+"\t\t"+date+"\t"+addresses[i]+"\t\t"+sumPrice+"\t"+state);

}

}break;case 3:

System.out.println("签收订单");

boolean isSignFind= false;

System.out.println("请选择要签收的订单序号：");int signOrderld =input.nextInt();for(int i =0;i

states[i]=1;

System.out.println("订单签收成功！");

isSignFind= true;

}else if(names[i]!=null&&states[i]==1&&signOrderld==i+1) {

System.out.println("您选择的订单已签收，不能再次签收！");

isSignFind= true;

}

}if(!isSignFind) {

System.out.println("您选择的订单不存在！");

}break;case 4:

System.out.println("删除订单");

boolean isDelFind= false;

System.out.println("请输入要删除的订单序号：");int delId =input.nextInt();for(int i = 0;i

isDelFind= true;for(int j =delId-1;j

names[j]=names[j+1];

dishMegs[j]=dishMegs[j+1];

times[j]=times[j+1];

addresses[j]=addresses[j+1];

states[j]=states[j+1];

sumPrices[j]=sumPrices[j+1];

}int endIndex = names.length-1;

names[endIndex]=null;

dishMegs[endIndex]=null;

times[endIndex]=0;

addresses[endIndex]=null;

states[endIndex]=0;

sumPrices[endIndex]=0;

System.out.println("删除订单成功！");break;

}else if(names[i]!=null&&states[i]==0&&delId==i+1) {

System.out.println("您选择的订单未签收，不能删除！");

isDelFind= true;break;

}

}if(!isDelFind) {

System.out.println("您要删除的订单不存在！");

}break;case 5:

System.out.println("我要点赞");

System.out.println("序号"+"\t"+"菜名"+"\t"+"单价");for(int i = 0;i

String price= prices[i]+"元";

String priaiseNum=(praiseNums[i])>0?praiseNums[i]+"赞":"";

System.out.println((i+1)+"\t"+dishNames[i]+"\t"+price+"\t"+priaiseNum);

}

System.out.println("请选择您要点赞的菜品序号：");int priaiseNum =input.nextInt();

praiseNums[priaiseNum-1]++;

System.out.println("点赞成功！");break;case 6:

isExit= true;break;default:

isExit= true;

System.out.println("您的输入有误系统已崩溃，如需使用请重启系统");break;

}if(!isExit) {

System.out.println("输入0返回:");

num=input.nextInt();

}else{break;

}

}while(num==0);

}

}