jsp购物车源码,解压密码的要说明密码www.kj.com

				/*
				 *  @(#)BookBean.java	1.0 06/03/03
				 *
				 *  Copyright 2006 林刘炜
				 */
				
				
				package beans;
				
				import java.sql.*;
				
				
				 /**
				  *	该Bean利用 DBOperation Bean连接数据库
				  * 读取数据库中，图书的基本信息		
				  *	
				  * @version 1.0
				  * @author  林刘炜
				  */
				public class BookBean
				{   
				
					private String id = null; //图书id编号
					private String name = null;	//图书名称	
					private String author = null;//	图书的作者
					private String publisher = null;//图书的出版社
					private float  price =0f;//	图书价格
					private String introduce = null;//图书的介绍
					
					/**
					 * 构造一个新的BookBean
					 */
					public BookBean(){
					}    
				
				
				    /**
				     * 根据图书的id编号，给图书的其他信息赋值
				     *
				     * @param id String类型的图书ID编号   
				     */
				     public void setBookInfo(String isbn){
				     	id = null;
				     	name = null;
				     	author = null;
				     	publisher = null;
				     	price = 0f;
				     	introduce = null;     	
				     	DBOperation database = new DBOperation();	
				     	try{    
				    		ResultSet rst = database.executeSQL(" select * from bookInfo where ISBN='"+isbn+"' ");
							if( rst.next() ){	
								id = rst.getString("ISBN");	
								name = rst.getString("name");
								author = rst.getString("author");
								publisher = rst.getString("publisher");
								price = rst.getFloat("price");
								introduce = rst.getString("introduce");
							}		
				     	}catch(SQLException e){
				     		e.printStackTrace();     		
				     	}finally{
				     		try{
				     			database.closeDatabase();
				     		}catch(SQLException e){
				     			e.printStackTrace();
				     		}     		
				     	}  	
				     }     
				
					 
					 /**
					  * 获取图书的编号
					  *
					  * @return  String
					  */
					 public String getBookID(){
					 	return id;
					 }
					 
					 /**
					  * 获取图书的名称
					  *
					  * @return  String
					  */
					 public String getBookName(){
					 	return name;
					 }
					 
					 /**
					  *方法说明: 获取图书的作者
					  * 
					  * @return String
					  */
					 public String getBookAuthor(){
					 	return author;
					 }
					 
					 /**
					  * 获取图书的出版社信息
					  * 
					  * @return String
					  */
					 public String getBookPublisher(){
					 	return publisher;
					 }
					 
					 /**
					  * 获取图书的价格
					  * 
					  * @return String
					  */
					 public float getBookPrice(){
					 	return price;
					 }
					 
					 /**
					  * 获取图书的介绍信息
					  * 
					  * @return String
					  */
					 public String getBookIntroduce(){
					 	return introduce;
					 }
					 
					 /**
					  * 将Bean作为一个application进行测试用 
					  */
					 public static void main(String[] args){
					 	BookBean book = new BookBean();	 
					 	book.setBookInfo("1");
					 	System.out.println (book.getBookID());
					 	System.out.println (book.getBookName());
					 	System.out.println (book.getBookAuthor());
					 	System.out.println (book.getBookPublisher());
					 	System.out.println (book.getBookPrice());
					 	System.out.println (book.getBookIntroduce());
					 }
				}