网上书城系统 本系统主要介绍了网上购书流程：通过图书类别进行检索，将您预购书放入购物车内，通过网上银行进行交易，界面美观，易于操作。-Online bookstore system This system introduces the online purchasing process: to search through the books category, pre-order the book into your shopping cart, online banking transact