PB图书管理系统,适合初学者，设计到数据库添加，修改，查询！简单带你入门的经典代码了！-PB library management system, suitable for beginners to design a database to add, modify, query! Simple take you to get into the code of the classic!

图书管理系统 带数据库源码 【JAVA MVC】 即把一个应用的输入、处理、输出流程按照Model、View、Controller的方式进行分离，这样一个应用被分成三个层——模型层、视图层、控制层。(Library Management System with Database Source Code [JAVA MVC] That is to say, the input, processing and output processes of an application are