from django.db import models from utils.MyBaseModel import Base class CourseType(Base): title = models.CharField(‘课程类别‘, max_length=16) sequence = models.IntegerField(‘展示顺序‘, default=10) class Meta: db_table = ‘tb_coursetype‘ def __str__(self): return self.title class CourseTag(Base): title = models.CharField(‘课程标签‘, max_length=16) sequence = models.IntegerField(‘展示顺序‘, default=10) class Meta: db_table = ‘tb_coursetag‘ def __str__(self): return self.title class Course(Base): STATUS = ( (‘0‘, ‘即将上线‘), (‘1‘, ‘已上线‘), (‘2‘, ‘已下线‘), ) title = models.CharField(‘课程名‘, max_length=24) desc = models.CharField(‘课程描述‘, max_length=256) img = models.ImageField(‘课程logo‘, upload_to=‘course‘, null=True) course_type = models.ForeignKey(CourseType, verbose_name=‘课程类型‘, on_delete=models.SET_NULL, default=None, null=True) course_tag = models.ManyToManyField(CourseTag, verbose_name=‘课程标签‘) status = models.CharField(‘课程状态‘, choices=STATUS, max_length=8, default=‘1‘) attention = models.IntegerField(‘关注人数‘, default=0) learner = models.IntegerField(‘学习人数‘, default=0) class Meta: db_table = ‘tb_course‘ def __str__(self): return self.title
class Chapters(Base): title = models.CharField(‘章标题‘, max_length=24) serial_num = models.IntegerField(‘章序号‘) course = models.ForeignKey(Course, related_name=‘chapters‘, on_delete=models.SET_NULL, null=True) class Meta: db_table = ‘tb_chapters‘ def __str__(self): return self.title class Sections(Base): title = models.CharField(‘节标题‘, max_length=24) serial_num = models.IntegerField(‘节序号‘) chapters = models.ForeignKey(Chapters, related_name=‘sections‘, on_delete=models.SET_NULL, null=True) learn_time = models.IntegerField(‘学习小时‘, default=1) video = models.FileField("上传视频", upload_to="videos/%Y%m%d/", blank=True, max_length=1024) seq_num = models.IntegerField("序号", default=1) class Meta: db_table = ‘tb_sections‘ def __str__(self): return self.title
from django.contrib import admin from . import models admin.site.register(models.CourseType) admin.site.register(models.CourseTag) admin.site.register(models.Course) admin.site.register(models.Sections) admin.site.register(models.Chapters)
python manage.py makemigrations
python manage.py migrate
原文：https://www.cnblogs.com/han0911/p/13938488.html