Java 吃货联盟

import java.util.Scanner;
public class Shao {
 private static final int[] dishNames = null;
 private static final Object[] dishMegs = null;
 private static int time;
 private static int signOrderId;
 private static int[] tates;
 private static int delId;
 private static int endIndex;
 private static int deiId;
 public static void main(String[] args, Scanner input) {
  // TODO Auto-generated method stub
  String[]names=new String[4];//保存订单人名字
  String[] dishMegs=new String[4];//保存全部信息
  int []times=new int[4];//保存送餐时间
  String[]addresses=new String[4];//保存送货地址
  int []states=new int[4];//保存订单状态
  double []sumPrices=new double[4];//保存订单金额
  for (int j = j-1; j < names.length-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];
   //用户点菜
   System.out.print("请选择你要点的菜品编号：");
   int chooseDish=input.nextInt();
   System.out.print("请选择需要的分数：");
   int number=input.nextInt();
   String disshMeg=dishMegs[chooseDish-1]+" "+number+"份";
   double sumPrice=sumPrices[chooseDish-1]*number;
   //计算送餐额度
   double deliCharga=(sumPrice>=50)?0:5;
   //选择的菜品信息
   String []dishNums={"红烧带鱼","鱼香肉丝","时令鲜疏"};//菜名字
   double[]prices=new double[]{38.0,20.0,10.0};//菜品单价
   int []praiseNums=new int[3];
   //开始订单信息
   names[0]="少华";
   dishMegs[0]="红烧带鱼2份：";
   times[0]=12;
   addresses[0]="五道口暂安处北大青鸟2楼:";
   sumPrices[0]=1;
   states[1]=0;
   //第二个订单
   names[1]="小雪";
   dishMegs[1]="鱼香肉丝1份";
   times[1]=14;
   addresses[1]="五道口展春路华泰公寓202号";
   sumPrices[1]=45.0;
   states[1]=0;
   //使用do-whil结果实现主菜单操作
   Scanner input1=new Scanner(System.in);
   int num=-1;//用户输入0返回主菜单，否则退出系统
   Object Exit=false;//标志用户是否退出
   System.out.println("
欢迎使用吃“货联盟系统:”");//根据用户选择菜单功能
   do{
    //菜单显示
    System.out.println("*******************************");
    System.out.println("1.我要订餐");
    System.out.println("2.查看餐袋");
    System.out.println("3.签收订餐");
    System.out.println("4.删除订餐");
    System.out.println("5.我要点赞");
    System.out.println("6.退出系统");
    System.out.println("1.我要订餐");
    System.out.println("************************************");
    System.out.println("请选择:");
    int choose=input.nextInt();//记录用户选择的功能编号
    //根据用户输入的功能编号执行相应功能
    //1
    if(!Exit) {
     System.out.print("输入0返回:");
     num=input.nextInt();
    }else{
     break;
    }
   } while(num==0);
   //根据用户输入的功能执行相应功能
   switch (chooseDish){
   case 1:
    //我要订餐
    System.out.println("****我要订餐****");
    break;
   case 2:
    //查看餐袋
    System.out.println("****查看餐袋****");
    break;
   case 3:
    //签收订单
    System.out.println("****签收订单****");
    break;
   case 4:
    //删除订单
    System.out.println("****删除订单****");
    break;
   case 5:
    //我要点赞
    System.out.println("****我要点赞****");
    break;
   case 6:
    Object ture;
    //退出系统
    Exit=true;
    break;
    default:
     //退出系统
     Exit=true;
     break;
     }
   //省率代码。。。。。
   System.out.println("***查看餐袋***");
   System.out.println("序号	订餐人	产品信息		送餐日期	送餐地址		总金额"
     + "	订单	订单状态");
   for (int i = 0; i < names.length; i++) {
    if(names[i]!=null){
     String state=(states[i]==0)?"已预订":"已完成";
     String date=times[i]+"日";
     String sumPrice1=sumPrices[i]+"元";
     System.out.println((i+1)+"	"+names[i]+"	"+dishMegs
       [i]+"	"+date+"	"+addresses[i]+"	"+sumPrice+
       "	"+state);
    }
   }
   break;
   }  
  //我要订餐
  System.out.println("****我要订餐****");
  Boolean isAdd=false;//是否可以订餐
  for (int j = 0; j <names.length; j++) {
   
  }
  int j;
  if(names[j]==null){//可以添加订单信息
   isAdd=true;//置标志可以订餐
   System.out.print("请输入订餐人姓名：");
   String name=input.next();
   //显示选择菜品信息
   System.out.println("序号"+"	"+"菜品"+"	"+"单价"+"	"+"点赞数");
  for (int i = 0; i < name.length(); i++) {
   String price=sumPrices[i]+"元";
   String priaiseNum=(states[i])>0?states[i]+"赞":"0";
   System.out.println((i+1)+"	"+names[i]+"	"+price
     +"	"+priaiseNum);
  }
   //用户点菜
  System.out.print("请选择要点的菜品编号：");
  int chooseDish=input.nextInt();
  System.out.println("请选择您需要的份数");
  int number=input.nextInt();
  Comparable<String> dishNMeg=dishNames[chooseDish-1]*number+" "+number+"份";
  double sumPrice=sumPrices[chooseDish-1]*number;//餐费满五十一免费送餐
  double deliChaeg=(sumPrice>=50)?0:0.5;
   while(time<10||time>20){
    System.out.print("请输入送餐时间(10点之20点左右送到)：");
    int time=input.nextInt();
   }
   System.out.print("请输入送餐地址：");
   String address=input.next();
   //无需添加状态
   System.out.println("订餐成功");
   System.out.println("您订的是："+dishMegs);
   System.out.println("送餐时间："+time+"点");
   Object 总计;
   System.out.printf("餐费："+sumPrice+"元","送餐费"+deliChaeg
     +"元"总计,": "+(sumPrice"+ deliChaeg)+"元";"
   //添加数据
   names[j]=name;
   dishMegs[j]=dishMegs;
   times[j]=time;
   addresses[j]=address;
   sumPrices[j]=sumPrice+deliChaeg;
   break;
  }
 if(!isAdd){
  System.out.println("对不起，你的餐袋已满");
 }
 break;
 //签收订单
 System.out.println("***签收订单***");
 boolean inSignFind=false;//找到要签收的单子
 System.out.println("请选择要签收的订单序列号：");
 int ingnOrderId=input.nextInt();
 for (int i = 0; i < names.length; i++) {
  //
  //
  if(names[i]!=null&&states[i]==0&&signOrderId==i+1){
   states[i]=i;
   System.out.println("订单签收成功！");
   inSignFind=true;
  }else if(names[i]!=null&&tates[i]==1&&signOrderId==i+1){
   System.out.println("您选择的订单已签收完成，不能再次签收！");
   inSignFind=true;
  }
 }
 if(!inSignFind){
  System.out.println("您选择的订单不存在！");
 }
 break;
 //删除订单
 System.out.println("***删除订单***");
 boolean isDelFind=false;
 System.out.println("请输入删除订单序列号：");
 int intdelId=input.nextInt();
 for (int i = 0; i < names.length; i++) {
  if(names[i]!=null&&states[i]==1&&delId==i+1){
   isDelFind=true;
   for (int j1 = delId-1; j1 < names.length; j1++) {
    names[j]=names[j+1];
    dishMegs[endIndex]=null;
    addresses[j]=addresses[j+1];
    states[j]=states[j+1];
    sumPrices[j]=sumPrices[j+1];
    times[j]=times[j+1];
   }
   //最后一位清空
   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&&deiId==i+1){
   System.out.println("请选择的订单未签收，不能删除：");
   isDdlFind=true;
   break;
  }
 }
 if(!isDdlFind){
  System.out.println("你要删除的订单不存在！：");
 }
 break;
 System.out.println("***我要点赞***");
 //显示菜品信息
 System.out.println("序号"+"	"+"菜品"+"	"+"单价");
 for (int k = 0; k < dishNames.length; k++) {
  String price=prices[k]+"元";
  String priaiseNum=(priaiseNum[k])>0?priaiseNum[k]+"赞":"";
  System.out.println((k+1)+"	"+dishNames[i]+"	"+price+"	"+priaiseNum);
 }
 System.out.print("请选择您要点赞的菜品序号：");
 int priaiseNum=input.nextInt();
 praiseNuns[priaiseNum-1]++;//参数家+1
 System.out.println("点赞成功！");
 break;
 }
 
}

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