Django-birthdate fildset作为表单小部件

birthdate = forms.DateTimeField()

<fieldset class=\'birthday-picker\'>
    <select class=\'birth-year\' name=\'birth[year]\'></select>
    <select class=\'birth-month\' name=\'birth[month]\'></select>
    <select class=\'birth-day\' name=\'birth[day]\'></select>
    <input type=\'hidden\' name=\'birthdate\' />
</fieldset>

from django.forms import extras

class SomeForm(forms.ModelForm):
    birthdate = forms.DateField(widget=extras.SelectDateWidget)