我有以下表单代码:
class DisplaySharerForm(forms.Form):
ORDER_BY_CHOICES = (
('customer_sharer_identifier', 'customer_sharer_identifier'),
('action_count', 'action_count'),
('redirect_link', 'redirect_link'),
('enabled', 'enabled'),
('click_total', 'click_total')
)
DIRECTION = (
('DESC','DESC'),
('ASC', 'ASC')
)
#These are the sorting options. By default it's set to order by the customer_sharer_identifiers, descending, beginning at page 1.
order_by = forms.ChoiceField(choices=ORDER_BY_CHOICES, required=False,initial='customer_sharer_identifier')
direction = forms.ChoiceField(choices=DIRECTION, required=False,initial='DESC')
action_type_id = forms.IntegerField(required=False)
page_number = forms.IntegerField(required=False,initial=1)
以下是我尝试使用初始值创建DisplaySharerForm
时得到的结果:
>>> f = DisplaySharerForm({})
>>> f.is_valid()
True
>>> f.cleaned_data
{'action_type_id': None, 'direction': u'', 'page_number': None, 'order_by': u'', 'customer_sharer_identifier': None}
为什么cleaned_data
没有设置为我提供的初始值,我该怎么做才能修复它?
答案 0 :(得分:6)
cleaned_data
返回绑定到表单的数据的已清理值。在这种情况下,您已将字典绑定并清空到表单。 initial_data
用于初始表单显示以及查看哪些值已更改。您可以使用自定义清理功能“修复”此问题:
class DisplaySharerForm(forms.Form):
...
def clean(self):
cleaned_data = super(DisplaySharerForm, self).clean()
for key, value in cleaned_data.items():
if not value and key in self.initial:
cleaned_data[key] = self.initial[key]
return cleaned_data