一个J2EE框架的书店源码，可以连接数据库，支持购书基本过程，包括查询图书，将图书加入购物车，对购物车进行操作，以及最后的提交-A bookstore source J2EE fr a mework, you can connect to the database, to support the basic process of textbook, including the check book, will book Add to Cart, on the shopping cart to o