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("\n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
     //
     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\t订餐人\t产品信息\t\t送餐日期\t送餐地址\t\t总金额"
      + "\t订单\t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)+"\t"+names[i]+"\t"+dishMegs
        [i]+"\t"+date+"\t"+addresses[i]+"\t"+sumPrice+
        "\t"+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"+"\t"+"菜品"+"\t"+"单价"+"\t"+"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)+"\t"+names[i]+"\t"+price
      +"\t"+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"+"\t"+"菜品"+"\t"+"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)+"\t"+dishNames[i]+"\t"+price+"\t"+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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