2 回答

TA貢獻1871條經驗 獲得超8個贊
用日期時間試試這個:
def clean_date(self):
date = self.cleaned_data['date']
if date < datetime.date.today():
raise ValidationError(self.error_messages['Date cannot be in the past'], code='Date cannot be in the past')
return date

TA貢獻1909條經驗 獲得超7個贊
我設法自己解決了這個問題。我的模型是一樣的。
forms.py
class AddMyModel(forms.ModelForm):
def clean_date(self):
date = self.cleaned_data['date']
if date < timezone.now().date():
raise forms.ValidationError(message='Date cannot be in the past')
return date
class Meta:
model = MyModel
fields = ('date')
widgets = {
'date': forms.DateInput(attrs={'type': 'date'})
}
views.py
def add(request):
if request.user.is_authenticated:
user = request.user.id
if request.method == 'POST':
form = AddMyModel(request.POST)
if form.is_valid():
date = form['date'].value()
if MyModel(user=User(pk=user), date=date):
unique_error = "User and date is already exist."
return render(request, 'mysite/add.html',
{'form': form, 'login': True, 'unique_error': unique_error})
else:
mymodel= MyModel(user=User(pk=user), date=date)
mymodel.save()
return render(request, 'mysite/successfuladd.html', {"login": True})
return render(request, 'mysite/add.html',
{'form': form, 'login': True})
form = AddMyModel()
return render(request, 'mysite/add.html', {'form': form, 'login': True})
else:
return render(request, 'mysite/homepage.html', {'login': False})
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