创建课程表

syl/settings.py 配置

INSTALLED_APPS = [
    'course.apps.CourseConfig',
]

 

主路由配置

from django.contrib import admin
from django.urls import path,include
from django.conf.urls.static import static
from syl import settings
urlpatterns = [

    path('course/', include('course.urls')),

]

urlpatterns +=static(settings.MEDIA_URL,document_root=setting

 

子路由配置

from rest_framework.routers import DefaultRouter
from . import views



router=DefaultRouter()
router.register(r'type',views.CourseTypeViewSet)
router.register(r'tag',views.CourseTagViewSet)
router.register(r'course',views.CourseViewSet)
router.register(r'sections',views.SectionsViewSet)
router.register(r'chapters',views.ChaptersViewSet)


urlpatterns = [

]

urlpatterns +=router.urls

 

 

models.py 中配置

from django.db import models

# Create your models here.
# from utils.MyBaseModel import Base
class Base(models.Model):
    create_time=models.DateTimeField('创建时间',auto_now_add=True,null=True)
    update_time=models.DateTimeField('更新时间',auto_now=True,null=True)

    class Meta:
        abstract=True

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','已经上线'),
        ('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='课程类别',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('节标签',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

 

admin.py 中配置

from django.contrib import admin

# Register your models here.


from .import models

admin.site.register(models.CourseType)
admin.site.register(models.CourseTag)
admin.site.register(models.Course)
admin.site.register(models.Chapters)
admin.site.register(models.Sections)

 

 

serializers.py中配置

from rest_framework import serializers
from course.models import *



class CourseTypeSerializer(serializers.ModelSerializer):
    class Meta:
        model=CourseType
        fields="__all__"



class CourseTagSerializer(serializers.ModelSerializer):
    class Meta:
        model=CourseTag
        fields="__all__"


class CourseSerializer(serializers.ModelSerializer):
    class Meta:
        model=Course
        fields="__all__"





class ChaptersSerializer(serializers.ModelSerializer):
    class Meta:
        model=Chapters
        fields="__all__"


class SectionsSerializer(serializers.ModelSerializer):
    class Meta:
        model=Sections
        fields="__all__"

class CourssesDeepSerializer(CourseSerializer):
    chapters=CourseSerializer(many=True)

 

views 中配置

from django.shortcuts import render
# Create your views here.
from rest_framework import viewsets
from rest_framework.pagination import PageNumberPagination
from course.models import *
from course.serializers import *

class PageNum(PageNumberPagination):
    page_size_query_param = 'page-size'
    
class CourseTypeViewSet(viewsets.ModelViewSet):
    queryset = CourseType.objects.all()
    
    serializer_class=CourseTypeSerializer
class CourseTagViewSet(viewsets.ModelViewSet):
    queryset = CourseTag.objects.all()
    serializer_class=CourseTagSerializer
    
class CourseViewSet(viewsets.ModelViewSet):
    queryset=Course.objects.all()
    serializer_class=CourseSerializer
    
class SectionsViewSet(viewsets.ModelViewSet):
    queryset = Sections.objects.all()
    serializer_class=SectionsSerializer
    
class ChaptersViewSet(viewsets.ModelViewSet):
    queryset = Chapters.objects.all()
    serializer_class = ChaptersSerializer