package?com.imooc.book;
import?java.util.ArrayList;
import?java.util.List;
import?java.util.Scanner;

public?class?Book?{
????public?static?void?main(String[]?args)?{
????????List<String>?bookList=new?ArrayList();
????????bookList.add("西游記");
????????bookList.add("紅樓夢");
????????bookList.add("水滸傳");
????????bookList.add("三國演義");
????????System.out.println("輸入命令：1-按照名稱查找圖書；2-按照序號查找圖書");
????????int?order?=?0;
????????Scanner?scanner=new?Scanner(System.in);
????????try?{
????????????order?=?scanner.nextInt();
????????}?catch?(Exception?e)?{
????????????System.out.println("命令輸入錯誤！請根據(jù)提示輸入數(shù)字命令");
????????}
????????switch?(order)?{
????????????case?1:
????????????????System.out.println("輸入圖書名稱：");
????????????????String?bookName;
????????????????bookName=scanner.next();
????????????????????try{for?(int?i=0;i<=bookList.size();i++)?{
????????????????????????String?book=bookList.get(i);
????????????????????????if(bookName.equals(book)){
????????????????????????????System.out.println("book:"+book);
????????????????????????????break;
????????????????????????}
????????????????????}}catch?(Exception?e){
????????????????System.out.println("圖書不存在！");}
????????????????????break;
????????????case?2:
????????????????System.out.println("輸入圖書序號：");
????????????????int?num=0;
????????????????try?{
????????????????????num?=?scanner.nextInt();
????????????????}?catch?(Exception?e)?{
????????????????????System.out.println("命令輸入錯誤！請根據(jù)提示輸入數(shù)字命令");break;
????????????????}
????????????????try{
???????????????????????System.out.println("book:"+bookList.get(num-1));
???????????????????}catch?(Exception?e){
???????????????????????System.out.println("圖書不存在！");
???????????????????}
????????????????break;
????????????default:
????????????????System.out.println("抱歉，沒有此項命令！");
????????????????}
????}
}