我无法为我的问题找到可靠的答案。我试图在视图中预填充表单。所以当用户使用表单时,一些数据已经被保存了。我想要做的是自动获取用户名和他的组,并将其提供给数据库。但是,当我尝试这样做时,我得到了IntegrityError NOT NULL约束失败。Django IntegrityError在提交表单时(在视图中预填充)
我是新手,我正在学习MDN网络文档。
我views.py:
class AddNewView(generic.View):
formClass = AddNewForm
template_name = 'myapp/subscription_form.html'
def get(self, request):
form = self.formClass(None)
return render(request, self.template_name, {'form': form})
def post(self, request):
form = self.formClass(request.POST)
if form.is_valid():
subscription = form.save(commit=False)
organization = request.user.groups.values_list('id', flat=True).first()
input_user = self.request.user
stuff = form.cleaned_data['stuff']
description = form.cleaned_data['description']
subscription.save()
return render(request, self.template_name, {'form': form})
forms.py:
class AddNewForm(forms.ModelForm):
def __init__(self, *args,**kwargs):
super (AddNewView, self).__init__(*args,**kwargs)
class Meta:
model = Subscription
fields = [
'stuff',
'description',
]
models.py:
class Subscription(models.Model):
organization = models.ForeignKey(Group, help_text="which organization")
input_user = models.CharField(max_length=150)
input_date = models.DateTimeField(auto_now_add=True)
description = models.CharField(max_length=1000, null=True, blank=True, help_text='Description')
stuff = models.CharField(max_length=100)
HTML:
{% extends "base_generic.html" %}
{% block content %}
<form action="" method="post">
{% csrf_token %}
<table>
{{ form.as_table }}
</table>
<input type="submit" value="Submit" />
</form>
{% endblock %}
我得到的错误是: 异常类型:IntegrityError 异常值:
NOT NULL约束失败:myapp_myapp.organization_id
我感谢所有帮助,你可以提供