我正在尝试在同一视图中使用两个formset_factory和Django动态表单集,但出现此错误
[DOM]找到2个具有非唯一ID#id_form-TOTAL_FORMS的元素:
当我尝试在第二种形式上添加前缀时,它只会生成一个ID,然后如果添加多个项目,则会保存最后一个项目。
我想知道如何解决此问题以及为什么会发生?
提前致谢。
我的forms.py
class ResearchLineForm(forms.ModelForm):
class Meta:
model = ResearchLines
fields = ('title', )
widgets = {
'title':forms.TextInput(attrs={
'class':'form-control',
'placeholder':'Linhas de Pesquisa'
})
}
LinesFormSet = formset_factory(ResearchLineForm)
class TokenForm(forms.Form):
name = forms.CharField( max_length=255, widget=forms.TextInput(
attrs={
'class':'form-control',
'placeholder':'Linhas de Pesquisa'
})
)
email = forms.CharField(max_length=255, widget=forms.TextInput(
attrs={
'class':'form-control',
'placeholder':'Linhas de Pesquisa'
})
)
TokenFormSet = formset_factory(TokenForm)
我的view.py
def ubc_register(request):
if request.method == "POST":
ubc = Ubc()
form = UbcForm(request.POST)
tokenformset = TokenFormSet(request.POST, request.FILES)
formset = LinesFormSet(request.POST, request.FILES)
if form.is_valid():
ubc.name = form.cleaned_data['name']
ubc.laboratory_departament = form.cleaned_data['laboratory_departament']
ubc.partner_category = form.cleaned_data['partner_category']
ubc.parent_institution_name = form.cleaned_data['parent_institution_name']
ubc.coordinator = form.cleaned_data['coordinator']
if "phone" in form.cleaned_data:
ubc.phone = form.cleaned_data['phone']
if "email" in form.cleaned_data:
ubc.email = form.cleaned_data['email']
if "cnpj" in form.cleaned_data:
ubc.cnpj = form.cleaned_data['cnpj']
if "rad_operating_time" in form.cleaned_data:
ubc.rad_operating_time = form.cleaned_data['rad_operating_time']
if "rh_count" in form.cleaned_data:
ubc.rh_count = form.cleaned_data['rh_count']
if "website" in form.cleaned_data:
ubc.website = form.cleaned_data['website']
ubc.cep = form.cleaned_data['cep']
ubc.street = form.cleaned_data['street']
ubc.city = form.cleaned_data['city']
ubc.neighborhood = form.cleaned_data['neighborhood']
ubc.number = form.cleaned_data['number']
ubc.uf = form.cleaned_data['uf']
ubc.filter_grade = 0
ubc.grade = 0
if 'activity_branch' in form.cleaned_data:
ubc.activity_branch = form.cleaned_data['activity_branch']
ubc.save()
# research_lines
if formset.is_valid():
for researchline in formset.cleaned_data:
if bool(researchline):
created_researchline = ResearchLines.objects.create(title=researchline['title'])
ubc.research_line.add(created_researchline)
product_ids = [ cert.id for cert in form.cleaned_data["main_product"] ]
for main_product in MainProductUbc.objects.filter(id__in=product_ids):
ubc.main_product.add(main_product)
)
return HttpResponseRedirect(reverse('index'))
else:
form = UbcForm()
formset = LinesFormSet()
tokenformset = TokenFormSet()
context = {
'form':form,
'formset':formset,
'tokenformset': tokenformset,
}
return render(request, 'accounts/ubc_form.html', context)
我的formset.js文件
$('.link-formset').formset({
deleteText: 'Remover'
});
参考方案
表单集使用#id_form-TOTAL_FORMS(以及其他一些东西)来查看有多少个表单以及最初的表单。
如果要在单个页面上显示多个表单集,则会遇到这样的问题,您最终将获得两个具有相同id的对象。要解决此问题,您可以为一个(或两个)表单集定义prefix。
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