设计一个学生课程信息系统，实现在登录窗口的用户名和密码的验证并能对学生信息的查询，修改，统计及对用户密码的修改。

查询菜单：实时查询

模糊查询

根据学生学号插叙

修改操作：对学生信息的插入,删除,保存以及对用户密码的修改

-Design courses a student information system, to achieve in the login window, the user name and password authentication and information for students to access, modify, statistics and user password changes. Query menu: real-time query fuzzy inquiry in accordance with its plug-Syrian students modify steps: information for students to insert, delete, save, as well as user password changes