Python 如何在数据库中获取值并在django窗体上显示
我有一个DuesLevy模型,其中有一个名为user的字段,它恰好是我的user模型的外键。我想显示从用户模型到我的表单的电子邮件值AddMemberDuesForm() 原因是我想获取电子邮件和金额值,并将其传递给我的支付处理器。 我正在使用基于类的视图处理我的表单,下面是我的代码Python 如何在数据库中获取值并在django窗体上显示,python,django,django-models,django-forms,Python,Django,Django Models,Django Forms,我有一个DuesLevy模型,其中有一个名为user的字段,它恰好是我的user模型的外键。我想显示从用户模型到我的表单的电子邮件值AddMemberDuesForm() 原因是我想获取电子邮件和金额值,并将其传递给我的支付处理器。 我正在使用基于类的视图处理我的表单,下面是我的代码 forms.py class AddMemberDuesForm(forms.ModelForm): class_of_dues = forms.CharField(required=False, widg
forms.py
class AddMemberDuesForm(forms.ModelForm):
class_of_dues = forms.CharField(required=False, widget=forms.Select(choices=options.CLASS_OF_DUES, attrs={'class':'form-control'}))
payment_circle = forms.CharField(required=False, widget=forms.Select(choices=options.PAYMENT_CIRCLE, attrs={'class':'form-control'}))
payment_option = forms.CharField(required=False, widget=forms.Select(choices=options.PAYMENT_OPTION, attrs={'class':'form-control'}))
payment_channel = forms.CharField(required=False, widget=forms.Select(choices=options.PAYMENT_CHANNEL_TYPE, attrs={'class':'form-control'}))
amount = forms.DecimalField(widget=forms.NumberInput(attrs={'class':'form-control'}))
payment_date = forms.DateField(widget=forms.DateInput(attrs={'class':'form-control', 'type':'date'}))
description = forms.CharField(widget=forms.Textarea(attrs={'class':'form-control'}))
class Meta():
model = DuesLevy
exclude = ('date_recorded', 'start_date', 'end_date', 'transaction_id')
class AddMemberDues(LoginRequiredMixin, CreateView):
login_url = '/backoffice/'
model = DuesLevy
template_name = 'dashboard/add-edit-member-dues.html'
form_class = AddMemberDuesForm
context_object_name = 'member_form'
def post(self, request, *args, **kwargs):
form = AddMemberDuesForm(request.POST)
if form.is_valid():
form = AddMemberDuesForm()
form.user.email = form.user.cleaned_data['email']
self.template_name = 'dashboard/payment.html'
form.save()
return render(request, self.template_name,
{'email': form.cleaned_data['email'], 'amount': form.cleaned_data['amount']})
def get(self, request, *args, **kwargs):
initial = {'email':request.user.email}
form = AddMemberDuesForm(initial=initial)
return render(request, self.template_name, {'email': form.cleaned_data['email']})
视图.py
class AddMemberDuesForm(forms.ModelForm):
class_of_dues = forms.CharField(required=False, widget=forms.Select(choices=options.CLASS_OF_DUES, attrs={'class':'form-control'}))
payment_circle = forms.CharField(required=False, widget=forms.Select(choices=options.PAYMENT_CIRCLE, attrs={'class':'form-control'}))
payment_option = forms.CharField(required=False, widget=forms.Select(choices=options.PAYMENT_OPTION, attrs={'class':'form-control'}))
payment_channel = forms.CharField(required=False, widget=forms.Select(choices=options.PAYMENT_CHANNEL_TYPE, attrs={'class':'form-control'}))
amount = forms.DecimalField(widget=forms.NumberInput(attrs={'class':'form-control'}))
payment_date = forms.DateField(widget=forms.DateInput(attrs={'class':'form-control', 'type':'date'}))
description = forms.CharField(widget=forms.Textarea(attrs={'class':'form-control'}))
class Meta():
model = DuesLevy
exclude = ('date_recorded', 'start_date', 'end_date', 'transaction_id')
class AddMemberDues(LoginRequiredMixin, CreateView):
login_url = '/backoffice/'
model = DuesLevy
template_name = 'dashboard/add-edit-member-dues.html'
form_class = AddMemberDuesForm
context_object_name = 'member_form'
def post(self, request, *args, **kwargs):
form = AddMemberDuesForm(request.POST)
if form.is_valid():
form = AddMemberDuesForm()
form.user.email = form.user.cleaned_data['email']
self.template_name = 'dashboard/payment.html'
form.save()
return render(request, self.template_name,
{'email': form.cleaned_data['email'], 'amount': form.cleaned_data['amount']})
def get(self, request, *args, **kwargs):
initial = {'email':request.user.email}
form = AddMemberDuesForm(initial=initial)
return render(request, self.template_name, {'email': form.cleaned_data['email']})
我在数据库中得到了这个错误
'AddMemberDuesForm' object has no attribute 'cleaned_data'
Internal Server Error: /backoffice/add-member-dues/
Traceback (most recent call last):
File "C:\Users\Benedict\Miniconda3\envs\mycda\lib\site-packages\django\core\handlers\exception.py", line 34, in inner
response = get_response(request)
File "C:\Users\Benedict\Miniconda3\envs\mycda\lib\site-packages\django\core\handlers\base.py", line 115, in _get_response
response = self.process_exception_by_middleware(e, request)
File "C:\Users\Benedict\Miniconda3\envs\mycda\lib\site-packages\django\core\handlers\base.py", line 113, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\Benedict\Miniconda3\envs\mycda\lib\site-packages\django\views\generic\base.py", line 71, in view
return self.dispatch(request, *args, **kwargs)
File "C:\Users\Benedict\Miniconda3\envs\mycda\lib\site-packages\django\contrib\auth\mixins.py", line 52, in dispatch
return super().dispatch(request, *args, **kwargs)
File "C:\Users\Benedict\Miniconda3\envs\mycda\lib\site-packages\django\views\generic\base.py", line 97, in dispatch
return handler(request, *args, **kwargs)
File "D:\mycda\backend\views.py", line 348, in get
return render(request, self.template_name, {'email': form.cleaned_data['email']})
AttributeError: 'AddMemberDuesForm' object has no attribute 'cleaned_data'
查看models.py中的代码会有所帮助。您是否有一个函数get clean_data()?您在
表单中初始化了另一个表单。if块是否有效。也许你应该给它起个别的名字。@Ejaz完成了,但没有工作。你是不是也遇到了同样的错误?cleaned\u数据是在form.is\u valid()
调用之后设置的。您正在尝试访问未进行表单验证的get()
中的已清理的\u数据。我已删除此表单=AddMemberDuesForm()表单。是否仍然存在相同的错误