Hej,
如果加载表单,则会出现错误:
from django import forms
from .models import CountryList, Stamdata
from django.db.models.functions import Lower
from django.contrib.auth.models import User
class EditStamdata(forms.ModelForm):
Firmanavn = forms.CharField(widget=forms.TextInput(attrs={'class': 'form-control', 'autofocus': True}), label='Firmanavn')
EMail = forms.EmailField(widget=forms.EmailInput(attrs={'class': 'form-control', 'autofocus': True}), label='EMail')
Bank = forms.CharField(widget=forms.Textarea(attrs={'rows' :'4', 'class': 'form-control', 'autofocus': True}), label='Bank')
Navn = forms.CharField(widget=forms.TextInput(attrs={'class': 'form-control', 'autofocus': True}), label='Navn')
Adresse = forms.CharField(widget=forms.Textarea(attrs={'rows' :'4', 'class': 'form-control'}),label='Adresse')
Land = forms.ModelChoiceField(widget=forms.Select(attrs={'class': 'form-control'}),queryset=CountryList.objects.values_list('countryname', flat=True).order_by('code'), initial='Denmark', to_field_name='countryname')
CVRCountrycode = forms.ModelChoiceField(widget=forms.Select(attrs={'class': 'form-control col-md-4'}),label='CVR Landkode', queryset=CountryList.objects.values_list('code', flat=True).order_by('code'), initial='DK', to_field_name='code')
CVR = forms.IntegerField(widget=forms.TextInput(attrs={'class': 'form-control'}),label='CVR Nummer')
class Meta:
model = Stamdata
labels = {
'Byen': 'By',
'CVRCountrycode': 'Landekode',
'CVR': 'CVR Nummer',
}
fields = ['Firmanavn', 'UserID', 'Adresse', 'Land', 'CVRCountrycode', 'CVR', 'EMail', 'Bank', 'Navn']
和视图:
def EditStamdata(request):
StamdataData = get_object_or_404(Stamdata, pk=1)
# if this is a POST request we need to process the form data
if request.method == 'POST':
form = EditStamdata(request.POST, instance=StamdataData)
if form.is_valid():
form.save()
return HttpResponseRedirect('backend/stamdata.html')
else:
print ('somethin goes wrong')
form = EditStamdata(instance=StamdataData)
return render(
request,
'backend/stamdata.html',
{'form': form },
)
然后我收到此错误消息:
EditStamdata()获得了意外的关键字参数'instance'
如果我使用google,如果他们使用Forms.ModelForm但我使用它,请大家修复。
您为视图提供了与表单相同的名称,因此Django调用了view函数。因此,您应至少重命名两者之一。