Main.java

package zhuyao;

import java.util.ArrayList;  
import java.util.Scanner;  
 
import control.Demo;  
import model.book;  
import model.booklist;  
import gongju.InputOutput;  
 
public class Main {  
   /* 
   public static final int SIZE = 10; 
   Book[] booklist = new Book[SIZE]; 
   */  
     
   public Main()  
   {  
         
       Scanner scan = new Scanner(System.in);  
       InputOutput io = new InputOutput();  
       io.load();  
       printMenu();  
         
       while(true)  
       {  
           //读取用户输入  
           int choice = scan.nextInt();  
             
           if(choice == 5)  
           {  
               io.save();  
               System.out.println("成功退出系统，欢迎再次光临！");  
               break;  
           }  
           switch(choice)  
           {  
           case 1: addBook(); break;  
           case 2: deleteBoo(); break;  
           case 3: changeBoo(); break;  
           case 4: findBoo(); break;  
           default: System.out.println("输入非法"); printMenu(); continue;  
           }  
       }  
         
         
       /* 
       while(true) 
       {    
           //根据用户输入调用不同方法 
           if(choice == 1) 
           { 
               addBook(); 
           } 
           else if(choice == 2) 
           { 
               deleteBoo(); 
           } 
           else if(choice == 3) 
           { 
               changeBoo(); 
           } 
           else if(choice == 4) 
           { 
               findBoo(); 
           } 
           else if(choice == 5) 
           { 
               System.out.println("成功退出系统，欢迎再次光临！"); 
               break; 
           } 
       } 
       */  
   }  
   void printMenu()  
   {  
       //打印菜单  
       System.out.println("欢迎...");  
       System.out.println("增加图书...1");  
       System.out.println("删除图书...2");  
       System.out.println("修改图书...3");  
       System.out.println("查询图书...4");  
       System.out.println("退出系统...5");   
   }  
     
   void addBook()  
   {  
       System.out.println("当前共有:"+booklist.booklist.size()+"本书!");  
       Scanner scan = new Scanner(System.in);  
       System.out.println("请输入图书名：");  
       String bookname = scan.next();  
       System.out.println("请输入作者：");  
       String author = scan.next();  
       System.out.println("请输入单价：");  
       float price = scan.nextFloat();  
       Demo operator = new Demo();  
       boolean isSuccess = operator.addBook(bookname, author, price);  
       if(isSuccess)  
       {  
           System.out.println("增加成功！");  
       }  
       else  
       {  
           System.out.println("增加失败！");  
       }  
       operator.printAllBook();  
   }  
     
   void deleteBoo()  
   {  
       Scanner scan = new Scanner(System.in);  
       while(true)  
       {  
           System.out.println("请输入按哪种方法删除图书：1、序号/2、书名/3、返回主菜单");  
           int choose = scan.nextInt();  
           if(choose == 1)  
           {  
               System.out.println("请输入要删除第几本书：");  
               int id = scan.nextInt();  
               Demo operator = new Demo();  
               id = operator.orderFind(id);  
               //System.out.println(id);  
               if(id > -1)  
               {  
                   /* 
                   for(int i = id; i < count - 1 ; i++) 
                       booklist[i]=booklist[i+1]; 
                   */  
                   boolean isSuccess = operator.deleteBook(id);  
                   if(isSuccess)  
                       System.out.println("删除成功！");  
                   else  
                       System.out.println("删除失败！");  
                   operator.printAllBook();  
               }  
               else  
               {  
                   System.out.println("输入错误！");  
               }  
           }  
           else if(choose == 2)  
           {  
               System.out.println("请输入您要删除的书名：");  
               String name = scan.next();  
              Demo operator = new Demo();  
               int id = operator.nameFind(name);  
               if(id > -1)  
               {  
                   /* 
                   for(int j = id; j<count-1; j++) 
                   { 
                       booklist[j]=booklist[j+1]; 
                   } 
                   */  
                   boolean isSuccess = operator.deleteBook(id);  
                   if(isSuccess)  
                       System.out.println("删除成功！");  
                   else  
                       System.out.println("删除失败！");  
                   operator.printAllBook();  
               }  
               else  
               {  
                       System.out.println("未查找到您想要的书名");  
               }     
           }  
           else if(choose == 3)  
           {  
               printMenu();  
               break;  
           }  
           else  
           {  
               System.out.println("输入非法！");  
           }  
       }  
   }  
     
   void changeBoo()  
   {  
       Scanner scan = new Scanner(System.in);  
       while(true)  
       {  
           System.out.println("请输入按哪种方法修改图书：1、序号/2、书名/3、返回主菜单");  
           int choose = scan.nextInt();  
           if(choose == 1)  
           {  
               System.out.println("请输入要修改第几本书：");  
               int number = scan.nextInt();  
               Demo operator = new Demo();  
               int id = operator.orderFind(number);  
               if(id > -1)  
               {  
                   book book = (book)booklist.booklist.get(id);  
                   //System.out.println("原书名为："+booklist[id].getBookname()+" 请输入你要修改为什么书名：");  
                   System.out.println("原书名为："+book.getBookname()+" 请输入你要修改为什么书名：");  
                   String str = scan.next();  
                   System.out.println("请输入作者：");  
                   String author = scan.next();  
                   System.out.println("请输入单价：");  
                   float price = scan.nextFloat();  
                   //booklist[id].setBook(str,author,price);  
                   boolean isSuccess = operator.changeBoo(id,str,author,price);  
                   if(isSuccess)  
                       System.out.println("修改成功！");  
                   else  
                       System.out.println("修改失败！");  
                   operator.printAllBook();  
               }  
               else  
               {  
                   System.out.println("输入错误！");  
               }  
           }  
           else if(choose == 2)  
           {  
               System.out.println("请输入您要修改的书名：");  
               String name = scan.next();  
               Demo operator = new Demo();  
               int id = operator.nameFind(name);  
               if(id > -1)  
               {  
                   book book = (book)booklist.booklist.get(id);  
                   //System.out.println("原书名为："+booklist[id].getBookname()+" 请输入你要修改为什么书名：");  
                   System.out.println("原书名为："+book.getBookname()+" 请输入你要修改为什么书名：");  
                   String str = scan.next();  
                   System.out.println("请输入作者：");  
                   String author = scan.next();  
                   System.out.println("请输入单价：");  
                   float price = scan.nextFloat();  
                   //booklist[id].setBook(str,author,price);  
                   boolean isSuccess = operator.changeBoo(id,str,author,price);  
                   if(isSuccess)  
                       System.out.println("修改成功！");  
                   else  
                       System.out.println("修改失败！");  
                   operator.printAllBook();  
               }  
           }  
           else if(choose == 3)  
           {  
               printMenu();  
               break;  
           }  
           else  
           {  
               System.out.println("输入非法！");  
           }  
       }  
   }  
     
   void findBoo()  
   {  
       Scanner scan = new Scanner(System.in);  
       Demo operator = new Demo();  
       while(true)  
       {  
           System.out.println("请输入按哪种方法查找图书：1、序号/2、书名/3、返回主菜单");  
           int choose = scan.nextInt();  
           if(choose == 1)  
           {  
               System.out.println("请输入要查找第几本书：");  
               int number = scan.nextInt();  
               int id = operator.orderFind(number);  
               if(id > -1)  
               {  
                   operator.findBoo(id);  
               }  
               else  
               {  
                   System.out.println("输入错误！");  
               }  
           }  
           else if(choose == 2)  
           {  
               System.out.println("请输入您要查找的书名：");  
               String name = scan.next();  
               int id = operator.nameFind(name);  
               if(id > -1)  
               {  
                   operator.findBoo(id);  
               }  
           }  
           else if(choose == 3)  
           {  
               printMenu();  
               break;  
           }  
           else  
           {  
               System.out.println("输入非法！");  
           }  
       }  
   }  
     
   public static void main(String[] args) {  
       // TODO Auto-generated method stub  
       new Main();  
   }  
 
}