BUAA DB

2021 Database Project. FreeTalk Course Forum.

Description

FreeTalk课程平台，实现了学生选、退课，查看课程信息，课程评论，课程评分，论坛讨论；教师开设、关闭、修改课程，添加、删除学习资料，关联课程和学习资料，发布通知，查看课程评论评分；管理员统筹所有信息，发布公告等功能。

Quick Start

$ cd spoc
$ python manage.py runserver

Task List

Vue架构、前后端接口 (tqj)

Vue样式 (oyk)

Django后端、MySQL (gmm)

公用数据库
转移models至pymysql

DataBase

'HOST': '*',
'NAME': 'spoc',
'USER': 'root',
'PASSWORD': '*',
'PORT': '3306'

DataBase Design

Final Design

Entity：

Entity	Key	Description
`student(id, password, name)`	`id`	学生信息
`teacher(id, password, name)`	`id`	教师信息
`material(id, name)`	`id`	学习材料
`course(id, name, introduction，degree)`	`id`	课程信息
`comment(id, content, time)`	`id`	评论
`posttheme(id, title, content, time, isTeacher)`	`id`	主题帖
`post(id, content, time, isTeacher)`	`id`	跟帖
`admin(id, password, name)`	`id`	管理员

Relation：

Relation	Key	Description
`student_course(student_id, course_id)`	`all-key`	学生选课
`teacher_course(teacher_id, course_id)`	`all-key`	教师开课
`teacher_material(teacher_id, material_id)`	`all-key`	教师提供学习材料
`course_material(course_id, material_id)`	`all-key`	课程对应学习材料
`student_comment(student_id, comment_id)`	`all-key`	学生发表评论
`student_posttheme(student_id, posttheme_id)`	`all-key`	学生发表主题帖
`student_post(student_id, post_id)`	`all-key`	学生跟帖
`course_comment(course_id, comment_id)`	`all-key`	课程对应评价
`post_posttheme(post_id, posttheme_id)`	`all-key`	跟帖对应主题帖
`admin_posttheme(admin_id, posttheme_id)`	`all-key`	管理员发表主题帖
`admin_post(admin_id, post_id)`	`all-key`	管理员跟帖
`teacher_posttheme(teacher_id, posttheme_id)`	`all-key`	教师发表主题帖
`teacher_post(teacher_id, post_id)`	`all-key`	教师跟帖

E-R Diagram

full img: e-r, db

Plan Design

Entity:

teacher(id, name, password, sex, department, telephone, email)
student(id, name, password, sex, department, orientation)
admin(id, password, telephone, email)
course(id, name, department, volume, credit)
material(id, name, department, obtain)
group(id, orientation, department, volume)

Relation: 

courseEvaluation(id, content)
courseSelection(student_id, course_id)
groupJoin(student_id, group_id)
studentMaterialObtain(student_id, material_id)
groupMaterialObtain(group_id, material_id)
courseCreate(course_id, teacher_id, time)
groupTutor(course_id, teacher_id)
grade() //打分

Team

@fangzhou0216, @Mike-Smith-rem, @JheKuo.

License

MIT

jhekuo / FreeTalk