django-filter基于数据库列的年份的过滤器

Question

我在数据库中有一个列（dob）作为日期。如何过滤年份？

class PersonFilter(django_filters.FilterSet):
    class Meta:
        model = Person
        fields =  ['first_name','last_name','dob',]

Answer 1

在此找到答案：https://django-filter.readthedocs.io/en/master/guide/usage.html#declaring-filters

class PersonFilter(django_filters.FilterSet):

    dob_year = django_filters.NumberFilter(field_name='dob', lookup_expr='year')

    class Meta:
        model = Person
        fields =  ['first_name','last_name','dob',]