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 framework, 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 ope