简单的三层架构资料管理.有用户登录，查看用户资料。修改个人信息及密码功能-it s a easy system

用VC做的一个简单的学籍管理系统，能实现添加删除修改以及查询的功能，系统用户名为good，密码py-VC do with a simple school management system, to achieve the deletion of revisions, as well as add query functionality, users of the system known as good, password py