一个能运行在手机上的简单的图书管理系统，能够添加，修改，删除你输入的信息。使用了轻量级的数据库技术-One can run on a mobile phone on a simple library management system, can add, modify, delete the information you ve entered. Use a lightweight database technology

图书管理系统，是一个由人、计算机等组成的能进行管理信息的收集、传递、加工、保存、维护和使用的系统。-Library management system, is a by the people, the computer can be composed of the collection of management information, transmission, processing, preservation, maintenance, and use of the system.