实现了简单的校内网功能，用户可以注册，登录，修改自己的内容，管理员可以修改所有人内容。还可以相互留言。由于使用了学校数据库别人需要使用vpn才行，可能试验的时候不一定好用，但肯定是对的。-The realization of a simple function of the school network, the user can register, login, edit their own content, the administrator can modify all of the content. Can also message each other. The use of schools in the database do others need to use vpn, test time may not necessarily easy to use, but it is certainly right.