25.过滤模块

过滤模块

安装

>: pip install django-filter

注册应用：settings/dev.py

INSTALLED_APPS = [
    # 列表过滤模块
    'django_filters',  
]

条件过滤

视图函数：course/views.py

from django_filters.rest_framework import DjangoFilterBackend
class CourseAPIView(ListAPIView):
    """课程列表接口"""
    queryset = Course.objects.filter(is_delete=False, is_show=True).order_by("-orders")
    serializer_class = CourseSerializer
    # 条件过滤：DjangoFilterBackend
    filter_backends = [DjangoFilterBackend]
    # 过滤字段
    filter_fields = ['course_category', ]

接口

http://127.0.0.1:8000/course/?course_category=1

排序过滤

视图函数：course/views.py

from rest_framework.filters import OrderingFilter
from .pagination import CoursePageNumberPagination
class CourseAPIView(ListAPIView):
    """课程列表接口"""
    queryset = Course.objects.filter(is_delete=False, is_show=True).order_by("-orders")
    serializer_class = CourseSerializer
    # 排序过滤：OrderingFilter
    filter_backends = [OrderingFilter]
    # 过滤字段
    ordering_fields = ['id', 'students', 'price']

接口

http://127.0.0.1:8000/course/?ordering=price
http://127.0.0.1:8000/course/?ordering=-price