如何清除InlineFormSet中的某个字段? [英] How to clean a certain field in a InlineFormSet?
问题描述
我需要清除内联表单集中的特定字段,但我不知道该怎么做。
I need to clean a specific field in an inline formset, and I can't figure out how to do it.
我已经尝试过用 def clean(self)
格式集,但是不知道在哪里保存净值。如果我尝试将清除值设置为 forms [0] .data ['field']
,则会收到此QueryDict实例是不可变的错误。
I've tried with the formsets def clean(self)
method but don't know where to save the cleaned value. If I try to set the cleaned value to forms[0].data['field']
I get "This QueryDict instance is immutable" error.
在正常形式下,它通过使用 def clean_fieldXY(self)
方法工作,在该方法中,我返回cleaned_value
。
In "normal" forms it works by using the def clean_fieldXY(self)
method in which I return cleaned_value
.
请帮助。
推荐答案
您可以将内联表单集设置为使用表单类,然后可以为该字段创建 clean
函数。
You can set the inline formset to use a form class, and then you can create a clean
function for the field.
在 myapp / forms.py
:
class InlineFormsetForm(forms.Form)
myfield = forms.CharField(required=False, max_length=50)
def clean_myfield(self):
data = self.cleaned_data['myfield']
if data == 'badinput':
raise forms.ValidationError("I hates it!")
return data
然后,在 myapp / views.py
from myapp.forms import InlineFormsetForm
from myapp.models import ParentRecord, ChildRecord
def editmything(request):
MyFormSet = inlineformset_factory(ParentRecord, ChildRecord, form=InlineFormsetForm)
这篇关于如何清除InlineFormSet中的某个字段?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!