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我試圖在窗體和formset(Visit和VisitService)上設置酥脆的窗體。無法將helper傳遞給模板中的django Crispy Formset
我無法將幫助程序附加到formset,無論我如何做。 我添加輔助以該formset的屬性,並添加輔助查看和背景,但它不斷給我下面的錯誤:
VariableDoesNotExist - 關鍵[幫助]失敗查找 (也試過[helper_attribute])
這裏是我使用的是什麼:
forms.py:
class VisitForm(forms.ModelForm):
class Meta:
model = models.Visit
fields = [
[...all visit fields go here...]
]
def __init__(self, *args, **kwargs):
super(VisitForm, self).__init__(*args, **kwargs)
self.helper = FormHelper(self)
self.helper.layout = Layout(
[...fields go here...]
),
ButtonHolder(
Submit('submit', 'Submit', css_class='button white btn-wide')
)
)
class VisitServiceForm(forms.ModelForm):
class Meta:
model = models.VisitService
fields = [
'service',
'unit',
]
def __init__(self, *args, **kwargs):
super(VisitServiceForm, self).__init__(*args, **kwargs)
self.helper = FormHelper()
self.helper.layout = Layout(
Row(
Div(Field('service'),css_class='col-sm-4'),
Div(Field('unit'),css_class='col-sm-4'),
)
VisitServiceFormSet = forms.modelformset_factory(
models.VisitService,
form=VisitServiceForm,
extra=2,
)
VisitServiceInlineFormSet = forms.inlineformset_factory(
models.Visit,
models.VisitService,
extra=5,
fields=('service', 'unit'),
formset=VisitServiceFormSet,
min_num=1,
)
views.py:
def create_visit(request, patient_pk):
patient = get_object_or_404(models.Patient, pk=patient_pk)
form_class = forms.VisitForm
form = form_class()
visitservice_forms = forms.VisitServiceInlineFormSet(
queryset=models.VisitService.objects.none()
)
helper = forms.VisitServiceForm()
if request.method == 'POST':
form = form_class(request.POST)
visitservice_forms = forms.VisitServiceInlineFormSet(
request.POST,
queryset=models.VisitService.objects.none()
)
if form.is_valid() and visitservice_forms.is_valid():
visit = form.save(commit=False)
visit.patient = patient
visit.save()
visitservices = visitservice_forms.save(commit=False)
for visitservice in visitservices:
visitservice.visit = visit
visitservice.save()
messages.success(request, "Added visit")
return HttpResponseRedirect(visit.get_absolute_url())
return render(request, 'fpform/visit_form.html', {
'patient': patient,
'form': form,
'formset': visitservice_forms,
'helper': helper,
})
模板:
<div class="container">
<form method="POST" action="">
{% crispy form %}
{% crispy formset formset.form.helper_attribute %}
</div>
</form>
在我的模板,我也用這些每一個單獨,沒有運氣:
{% crispy formset formset.form.helper %}
{% crispy formset helper_attribute %}
{% crispy formset helper %}
{% crispy formset form.helper_attribute %}
{% crispy formset form.helper %}
我看着香脆文檔,但無法找到答案那裏。
花了整整一天,但它沒有去任何地方。如果有更好的方法來實現這一點,請隨時告訴我。