package homework;
import java.util.*;
public class BookSearch {
Scanner in = new Scanner(System.in);
public static Book[] books = {new Book(1,"高数"),new Book(2,"操作系统"),new Book(3,"数据库"),new Book(4,"ssh"),new Book(5,"HTML5")};
public static void main(String[] args){
BookSearch a = new BookSearch();
a.choose();
}
public void choose(){
int searchType = 0;
while(true){
System.out.println("输入命令:1-按照名称查找图书;2-按照序号查找图书");
try {
searchType = in.nextInt();
} catch (Exception e) {
// TODO: handle exception
System.out.println("请输入数字!");
// in = new Scanner(System.in); 为什么注释掉这一句之后,程序会无限循环
continue;
}finally{
}
if(searchType == 1)
{
searchByName();
}else if(searchType == 2)
{
searchByID();
}else
{
System.out.println("输入有误请重新输入");
}
}
}
public void searchByName(){
String bookName ;
System.out.println("输入图书名称:");
bookName = in.next();
for(int i = 0;i < books.length; i++){
if(bookName.equals(books[i].getName()))
{
System.out.println("book:"+books[i].getName());
return;
}
}System.out.println("图书不存在");
}
public void searchByID(){
int id ;
System.out.println("输入图书序号:");
id = in.nextInt();
for(int i = 0;i < books.length; i++){
if(id == books[i].getID())
{
System.out.println("book:"+books[i].getName());
return;
}
}System.out.println("图书不存在");
}
}