基于struts2框架开发的模拟“当当网”的书店系统，实现了购物车，订单，图书浏览，用户管理等基础模块的功能，适合初学者。-Based on a the struts2 fr a mework developed analog Dangdang bookstore system, to achieve the basic module of the shopping cart, order books browsing, user management functions, suitable f