安装

pip install django-filter

注册app

INSTALLED_APPS = [
    ...
    'django_filters',  # 需要注册应用，
]

在视图中使用

from django_filters.rest_framework import DjangoFilterBackend

class CourseListApiView(ListAPIView):
    # 指定过滤类
    filter_backends = [DjangoFilterBackend, ]
    # 指定过滤字段
    filter_fields = ('course_category',)
    queryset = Course.objects.filter(is_show=True).order_by('orders', '-id')
    serializer_class = CourseSerializer

测试