DRF的過濾

1、添加到app裏面

INSTALLED_APPS = [
     'django_filters',
]

2、新建filter.py

# goods/filters.py

import django_filters

from .models import Goods


class GoodsFilter(django_filters.rest_framework.FilterSet):
    '''
    商品過濾的類
    '''
    #兩個參數，name是要過濾的字段，lookup是執行的行爲，‘小與等於本店價格’
    price_min = django_filters.NumberFilter(name="shop_price", lookup_expr='gte')
    price_max = django_filters.NumberFilter(name="shop_price", lookup_expr='lte')

    class Meta:
        model = Goods
        fields = ['price_min', 'price_max']

3、views.py

from .filters import GoodsFilter
from django_filters.rest_framework import DjangoFilterBackend

class GoodsListViewSet(mixins.ListModelMixin,viewsets.GenericViewSet):
    '商品列表頁'

    #這裏必需要定義一個默認的排序,不然會報錯
    queryset = Goods.objects.all().order_by('id')
    # 分頁
    pagination_class = GoodsPagination
    serializer_class = GoodsSerializer
    filter_backends = (DjangoFilterBackend,)

    # 設置filter的類爲咱們自定義的類
    filter_class = GoodsFilter