课程详情页之后台

详情页后台

路由：source/urls.py

1 2	router.register('free', views.CourseViewSet, 'free') # 课程 router.register('chapters', views.ChapterViewSet, 'chapter') # 章节

视图：source/views.py

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from rest_framework.viewsets import GenericViewSet from rest_framework.mixins import ListModelMixin, RetrieveModelMixin from . import models, serializers # 课程群查 from . import pagination from rest_framework.filters import SearchFilter, OrderingFilter from django_filters.rest_framework import DjangoFilterBackend from .filters import CourseFilterSet class CourseViewSet(GenericViewSet, ListModelMixin, RetrieveModelMixin): queryset = models.Course.objects.filter(is_delete=False, is_show=True).all() serializer_class = serializers.CourseSerializer # 分页组件 pagination_class = pagination.PageNumberPagination # 过滤组件：实际开发，有多个过滤条件时，要把优先级高的放在前面 filter_backends = [SearchFilter, OrderingFilter, DjangoFilterBackend] # 参与搜索的字段 # search_fields = ['name', 'id', 'brief'] # 允许排序的字段 ordering_fields = ['id', 'price'] # 过滤类：分类过滤、区间过滤 filter_class = CourseFilterSet # 一个课程的所有章节（群查） classChapterViewSet(GenericViewSet, ListModelMixin): queryset = models.CourseChapter.objects.filter(is_delete=False, is_show=True).all() serializer_class = serializers.CourseChapterSerializer # 基于课程分类条件下的查询 filter_backends = [DjangoFilterBackend] filter_fields = ['course']

序列化：source/serializers.py

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# ... classCourseSectionSerializer(serializers.ModelSerializer): classMeta: model = models.CourseSection fields = ('name', 'orders', 'section_link', 'duration', 'free_trail') classCourseChapterSerializer(serializers.ModelSerializer): coursesections = CourseSectionSerializer(many=True) classMeta: model = models.CourseChapter fields = ('name', 'chapter', 'summary', 'coursesections')