网上书店，可以实现查询书籍，以列表的形式显示，并自动计算书籍的合计。增删查改都可以，增加时ID 自增。添加进myeclipse中，创建SQL,就能跑。-Online bookstore, can query the data, in the form of a list of display and automatically calculate the total book. Additions and deletions to change the investigation could,