我正在使用Django过滤器应用在我的网站上构建搜索。这是代码:
class PropertyFilter(django_filters.FilterSet):
city = django_filters.ModelMultipleChoiceFilter(queryset=City.objects.all(), widget = CheckboxSelectMultiple)
trade_type = django_filters.ModelMultipleChoiceFilter(queryset=Trade.objects.all(), widget = CheckboxSelectMultiple)
class Meta:
model = Property
fields = ['city', 'trade_type']
问题在于,当用户标记两个城市时,Django过滤器仅通过最后一个URL参数(此案例中的城市2)过滤对象:
http://example.org/lt/list/city=1&city=2
Models.py
:
class City(models.Model):
name = models.CharField(max_length=250, verbose_name=_('Name'))
也许我做错了什么?
您可以创建查询字符串的复数形式,并接受列表作为过滤器参数:
http://example.org/lt/list/?cities=1,2
class CustomFilterList(django_filters.Filter):
def filter(self, qs, value):
if value not in (None, ''):
values = [v for v in value.split(',')]
return qs.filter(**{'%s__%s' % (self.name, self.lookup_type): values})
return qs
class PropertyFilter(django_filters.FilterSet):
city = django_filters.ModelMultipleChoiceFilter(queryset=City.objects.all(), widget = CheckboxSelectMultiple)
trade_type = django_filters.ModelMultipleChoiceFilter(queryset=Trade.objects.all(), widget = CheckboxSelectMultiple)
cities = CustomFilterList(name="city", lookup_type="in")
class Meta:
model = Property
fields = ['cities', 'city', 'trade_type']
查看此答案以正确过滤值列表:
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