package com;

import java.util.Scanner;

public class shangPingChu {
    chuShiHua chuShiHuas =new chuShiHua() ;
   Scanner scanner = new Scanner(System.in) ;
   public void initial(){
       leiXing shu1=new leiXing();
       shu1.num =1;
       shu1.name ="哈哈哈" ;
       shu1.date ="07-18" ;
       leiXing shu2 =new leiXing() ;
       shu2.num =2;
       shu2.name ="呼呼" ;
       shu2 .date ="09-12" ;
       leiXing shu3 =new leiXing() ;
       shu3.num = 3;
       shu3.name ="嘿嘿" ;
       shu3.date ="06-25" ;
   }
public  void starMenu(){
       boolean flag  ;
       do {
           System.out.println("欢迎使用图书管理系统");
           System.out.println("***********************************");
           System.out.println("1 查看图书信息");
           System.out.println("2 新增图书信息");
           System.out.println("3 删除图书信息");
           System.out.println("4 图书销售排行榜 ");
           System.out.println("5 退出");
           System.out.println("-----------------------");
           System.out.println("请选择要执行的操作");
           int choice =scanner.nextInt();
           switch (choice){
               case 1:
                   System.out.println("查看图书信息");
                   break;
               case 2:
                   System.out.println("新增图书信息");
                   break;
               case 3:
                   System.out.println("删除图书信息");
                   break;
               case 4:
                   System.out.println("图书销售排行榜");
                   break;
               case 5:
                   System.out.println("推出");
                   flag = false;
                   break;
               default:
                   System.out.println("输入不符合要求");
           }

        flag = true ;
       }while (flag) ;
}
public void  search(){
    System.out.println("编号\t书名\t借出日期");
    for (int i = 0; i <chuShiHuas.leiXings.length ; i++) {
        if (chuShiHuas.leiXings[i]!= null){
            chuShiHuas.leiXings[i].print(i+1);
        }

    }
}public void add(){
      Scanner scanner = new Scanner(System.in);
        System.out.println("请输入书名");
        String name =scanner.next();
        System.out.println("请输入编号");
        String num = scanner.next();
        leiXing haha =new leiXing();
        haha.name =name;
        haha.num =0 ;
        for (int i = 0; i <chuShiHuas.leiXings.length ; i++) {
            if (chuShiHuas.leiXings[i] ==null){
                chuShiHuas.leiXings[i] =haha ;
                break;
            }

        }
    }



}

package com;

public class chuShiHua {
    leiXing[] leiXings = new leiXing[50] ;

}

package com;

public class leiXing {
    public String name;
    public int num;
    public String date ;

    public void print(int index){
        System.out.println( index +"\t"+num+"\t"+name+"\t"+date);
    }
}