cul_system:选课系统

＃系统 ＃＃评论 This system is jsut a template. This system does not use database. ＃＃过程 index.html -> 表单 -> 检查 -> 最终 ＃＃用 use: modify json in curriculum, and (id = type) in index.html decide use which json Example: { "name": "課程", "children": [ { "name": "必修", "children": [ "1-必修", "2-必修", "3-必修" ] } ] }