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我想創建以下鏈接相關的下拉菜單:http://www.devinterface.com/blog/en/2011/02/how-to-implement-two-dropdowns-dependent-on-each-other-using-django-and-jquery/默認(Django的)選擇在選擇現場
但我有這種形式:
class FrequencyForm(CityForm)
def __init__(self, *args, **kwargs):
super(FrequencyForm, self).__init__(*args, **kwargs)
self.frequency_list = [('-1','None')]
self.fields['term'] = forms.ChoiceField(choices=self.frequency_list, required=True, widget=forms.RadioSelect())
我不想用默認值出現當列表填充時。我該怎麼辦?