知乎网页版登录的动态背景，纯HTML语言。(Simple student elective system, the use of MVC mode, three identity login, each has a certain authority.)

使用djang mvc框架，在pycharm中打开，类似知乎的问答平台，有评论点赞收藏功能，数据库采用sqlite(The djang MVC framework is used to open and query similar questions in pycharm. There are commentary commented on collection function, and database is SQLite.)