DjangoFilterBackend与多个ids [英] DjangoFilterBackend with multiple ids
本文介绍了DjangoFilterBackend与多个ids的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想使用 django-filter 过滤我的模型。如果我通过一个id过滤,则可以正常工作:
I want to filter my model with django-filter. It works fine if I filter by one id like:
http://localhost:8000/accommodations?accommodationType_id=1
但是我不知道如何通过多个id进行过滤。
But I don't know how I can filter by multiple ids like.
http://localhost:8000/accommodations?accommodationType_id=1,2
我的实际 ViewSet
如下所示:
class AccommodationViewSet(viewsets.ReadOnlyModelViewSet):
"""
REST API endpoint for 'accommodation' resource
"""
queryset = Accommodation.objects.all()
serializer_class = AccommodationSerializer
filter_backends = (filters.DjangoFilterBackend,)
filter_fields = ('accommodationType_id', 'name')
我希望有一个解决方案。
I hope there is an solution.
推荐答案
我发现以下解决我的问题:)
I found the following solution for my problem :)
https://gist.github.com/aBuder/654fb945f085b17358d8
from webapp.serializers import *
from rest_framework import viewsets
from rest_framework import filters
from django_filters import Filter, FilterSet
class ListFilter(Filter):
def filter(self, qs, value):
if not value:
return qs
self.lookup_type = 'in'
values = value.split(',')
return super(ListFilter, self).filter(qs, values)
class AccommodationFilter(FilterSet):
ids = ListFilter(name='id')
accommodationType_ids = ListFilter(name='accommodationType_id')
class Meta:
model = Accommodation
fields = ['ids', 'accommodationType_ids']
class AccommodationViewSet(viewsets.ReadOnlyModelViewSet):
"""
REST API endpoint for 'accommodation' resource
"""
queryset = Accommodation.objects.all()
serializer_class = AccommodationSerializer
filter_backends = (filters.DjangoFilterBackend,)
filter_class = AccommodationFilter
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