1.课程主页面3张表
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
2.课程章节表2张表
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
3.course/admin.py注册后台管理
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)
4.迁移表
python manage.py makemigrations
python manage.py migrate