如何在每次更新中为窗体设置默认值？

Question

我想在表单中设置一个默认值，它将在每次更新中重置为approval = False。我尝试了一些东西，但它没有起作用，它不会改变。我怎么能修好它？

forms.py

class UpdateDoaTableForm(forms.ModelForm):
    approval = forms.BooleanField(required=False,
                                  initial=False,
                                  label='Approved',
                                  widget=forms.HiddenInput()
                                  )

    class Meta:
        model = DoaTable
        fields = ('limit', 'approval')

views.py

def update_limit(request, id):
    limiting = get_object_or_404(DoaTable, id=id)
    form = UpdateDoaTableForm(request.POST or None, request.FILES or None, instance=limiting)
    limiting_item = DoaTable.objects.filter(id=id)

    if form.is_valid():
        form.save()
        return redirect('approvals:update_limit_list')

    context = {
        'form': form,
        'limiting_item': limiting_item,
    }

    return render(request, 'limitUpdate.html', context)

models.py

class DoaTable(models.Model):
    ...
    approval = models.BooleanField(default=False)

Answer 1

我编辑我的代码，它现在正在工作。

views.py

if form.is_valid():
    update_form = form.save(commit=False)
    update_form.approval = False
    update_form.save()
    return redirect('approvals:update_limit_list')