我使用django和postgres，我可以在视图中添加多个过滤器，但这里的问题是，我是否有可能过滤多个具有不同值的相同jsonfield：例如，我可以过滤localhost:127.0.0.1:products?areaOfUse=residential那么我有可能得到/products?areaOfUse=residential&areaOfUse=test的结果吗因此，从这里开始，我需要查询两个不同的json对象。
-以下是我的观点
class SubcategoriesProductsAPI(APIView):
# @cache_control(must_revalidate=True, max_age=3600)
def get (self, request, subCategoryId = None, pk = None):
try:
filters = {}
design = self.request.query_params.get('design', None)
dimension = self.request.query_params.get('dimension', None)
collectionName = self.request.query_params.get('collectionName', None)
material = self.request.query_params.get('material',None)
min_price = self.request.query_params.get('min_price',None)
max_price = self.request.query_params.get('max_price',None)
page = self.request.query_params.get('page', None)
wearLayer = self.request.query_params.get('wearLayer',None)
areaOfUse = self.request.query_params.getlist('areaOfUse',None)
productType = self.request.query_params.get('type', None)
installationMethod = self.request.query_params.get('installationMethod',None)
format_type = self.request.query_params.get('format_type',None)
wearLayer = self.request.query_params.get('wearLayer',None)
levelOfUse = self.request.query_params.get('levelOfUse',None)
if design is not None:
filters['product_options__options__data__design'] = design
if productType is not None:
filters['product_options__options__data__type'] = productType
if dimension is not None:
filters['product_options__options__data__dimensions__contains'] = [{'dimension': dimension}]
if collectionName is not None:
filters['product_options__options__data__collectionName'] = collectionName
if material is not None:
filters['product_options__options__data__material'] = material
if wearLayer is not None:
filters['product_options__options__data__wearLayer'] = wearLayer
if installationMethod is not None:
filters['product_options__options__data__installationMethod'] =installationMethod
if format_type is not None:
filters['product_options__options__data__format'] = format_type
if areaOfUse is not None:
filters['product_options__options__data__areaOfUse__contains'] = areaOfUse
if levelOfUse is not None:
filters['product_options__options__data__levelOfUse'] = levelOfUse
if min_price and max_price:
filters['product_options__options__data__dimensions__range__price'] = float(min_price)
filters['product_options__options__data__dimensions__0__price__lte'] = float(max_price)
queryset = Products.objects.filter(sub_categories_id = subCategoryId, is_active = True).select_related().filter(**filters)
if not queryset:
return JsonResponse({ 'status': False, 'msg': 'No products found', 'data': {} }, status=400)
if page is not None:
paginator = PageNumberPagination()
page = paginator.paginate_queryset(queryset, request)
if page is not None:
serializer = ProductSerializer(page, many=True)
return JsonResponse({ 'status': True, 'msg': 'Succesfully retrived products ', 'data': serializer.data, 'count': paginator.page.paginator.count, 'previous':paginator.get_previous_link(), 'next':paginator.get_next_link() }, status=200)
serializer = ProductSerializer(queryset, many=True)
return JsonResponse({ 'status': True, 'msg': 'Succesfully retrived products ', 'data': serializer.data }, status=200)
except Products.DoesNotExist:
return JsonResponse({ 'status': False, 'msg': 'Internal system error', 'data': {}}, status=500)
areaOfUse = self.request.query_params.getlist('areaOfUse[]',None)
/products？areaOfUse%5B%5D=住宅&areaOfUse%5B%5D=测试
import operator
from django.db.models import Q
from functools import reduce
queryset = Products.objects.filter(sub_categories_id = subCategoryId, is_active = True).select_related().filter(**filters)
if areaOfUse:
queryset.filter(
reduce(
operator.and_,
(Q(product_options__options__data__areaOfUse__contains=x) for x in areaOfUse)
)
)