我需要以下代码的帮助。我想我快到了。我正在尝试创建一个用于编辑和添加新对象的视图。但是,在保存时出现下面列出的错误。django查看完整性错误
我不知道是否有人能告诉我我哪里出错了吗?
谢谢。
view.py
def group(request, id=None):
if id:
group = get_object_or_404(Groups, pk=id)
else:
group = Groups()
# If we had a POST then get the request post values.
if request.method == 'POST':
form = GroupFrom(request.POST)
# Check we have valid data
if form.is_valid():
group = Groups(
name=form.cleaned_data['name'],
description=form.cleaned_data['description'],
active=form.cleaned_data['active'],
user=request.user
)
group.save()
else:
form = GroupFrom(instance=group)
context = {'form': form}
return render_to_response('contacts/group.html', context, context_instance=RequestContext(request))
urls.py
(r'^group/new/$', 'contacts.views.group', {}, 'group_new'),
(r'^group/edit/(?P<id>\d+)/$', 'contacts.views.group', {}, 'group_edit'),
model.py
class Groups(models.Model):
"""
Stores all groups.
"""
name = models.CharField(max_length=60)
description = models.TextField(max_length=250)
active = models.BooleanField()
modified = models.DateTimeField(null=True, auto_now=True, help_text="Shows when object was modified.")
created = models.DateTimeField(auto_now_add=True, help_text="Shows when object was created.")
#FK
user = models.ForeignKey(User, unique=True, related_name="user")
def __unicode__(self):
return self.name
错误
IntegrityError在/联系人/组/编辑/ 1/ (1062, “关键 'user_ID的' 重复项 '1'”)
UPDATE: 原来这就是我现在,它的工作原理,但只有在编辑不添加。在添加时我仍然得到了同样的错误:
def group(request, id=None):
if id:
# If we have an id try and get it and populate instance.
group = get_object_or_404(Groups, pk=id)
# If we have an instance check that it belongs to the login.
if group.user != request.user:
return HttpResponseForbidden()
else:
# If we don't have an id get the instance (which is blank here) and populate it with the user.
group = Groups(user=request.user)
# If we had a POST then get the request post values.
if request.method == 'POST':
# Populate the form with the instance.
form = GroupFrom(request.POST, instance=group)
# Check we have valid data before saving trying to save.
if form.is_valid():
group.save()
messages.add_message(request, messages.SUCCESS, 'Successfully Created/Updated Group')
else:
# Populate from at this point group with either be blank or have values.
form = GroupFrom(instance=group)
context = {'form': form}
return render_to_response('contacts/group.html', context, context_instance=RequestContext(request))
是的,这是独特的=真,我更新了我的问题,以纳入你的想法(一些什么)和完美的作品。谢谢布兰登。 – jason 2013-03-13 17:22:44