我是新来的Django,我想创建简单的用户注册/登录应用程序。 对于注册我使用自定义的UserCreationForm:UserCreationForm,哈希密码和验证()
def registration(request):
if request.method == 'POST':
form = UserCreationForm(request.POST)
if form.is_valid():
new_user = form.save()
messages.info(request, "You've successfully registered")
return HttpResponseRedirect('/')
else:
form = UserCreationForm
return render(request, 'accounts/registration.html', {'form': form})
而且效果很好。但是写入登录功能我遇到了困难。我在/ accounts/login处有AttributeError'User'对象没有'backend'属性。即使登录/密码正确,authenticate()似乎也会返回None对象。
def login(request):
if request.method == "POST":
form = LoginForm(request.POST)
if form.is_valid():
userData = form.cleaned_data
user = authenticate(username=userData['username'],password=userData['password'])
auth_login(request, user)
messages.info(request, "You're successfully logged in")
return HttpResponseRedirect('/')
else:
messages.info(request, 'Invalid username or password')
return HttpResponseRedirect('/accounts/login')
else:
form = LoginForm()
return render(request, 'accounts/login.html', {'form': form}
我认为这一点是密码散列形式保存在数据库,这就是为什么用户数据[“密码”]不等同于分贝为相同的用户名值。
我最好的方法来解决这个错误?
跟踪误差
Internal Server Error: /accounts/login
Traceback (most recent call last):
File "C:\Python27\myproject\djcode\first_venv\venv\lib\site-packages\django\core\handlers\base.py"
, line 115, in get_response
response = callback(request, *callback_args, **callback_kwargs)
File "C:\Python27\myproject\djcode\first_venv\myownproject\accounts\views.py", line 36, in login
auth_login(request, user)
File "C:\Python27\myproject\djcode\first_venv\venv\lib\site-packages\django\contrib\auth\__init__.
py", line 92, in login
request.session[BACKEND_SESSION_KEY] = user.backend
File "C:\Python27\myproject\djcode\first_venv\venv\lib\site-packages\django\utils\functional.py",
line 203, in inner
return func(self._wrapped, *args)
AttributeError: 'User' object has no attribute 'backend'
拜托你给UserCreationForm代码,可能是保存密码直接进入数据库。如果你的user.set_password(<密码值>),那么它将Django的密码值进行编码,然后在验证时它会正确检查它。 –
和跟踪错误 – lalo
我使用默认的UserCreationForm http://docs.nullpobug.com/django/trunk/django.contrib.auth.forms.UserCreationForm-class.html,不要改变它,所以在forms.py我只有LoginForm(用户名/密码)。可能是我应该以某种方式纠正它? 添加跟踪错误 – Leval