扩展 UserCreationForm 以包含电子邮件、名字和姓氏 [英] Extending UserCreationForm to include email, first name, and last name

问题描述

我已经被这个问题困住了一段时间，似乎无法弄清楚发生了什么.我刚刚开始学习 Django，我已经设置了登录名，现在想要实现一个注册页面.

I've been stuck on this for a while now and can't seem to figure out what's going on. I'm just starting to learn Django and I got my login set up and now want to implement a registration page.

我一开始使用 UserCreationForm 表单，效果很好，但我想为电子邮件、名字和姓氏添加字段.我想我可以子类化 UserCreationForm 并添加字段，但这似乎不起作用.我也尝试覆盖 save 方法，但它仍然不起作用.

I used the UserCreationForm form at first and that worked fine, but I want to add fields for Email, First name, and Last name. I figured I could just subclass UserCreationForm and add the fields but that doesn't seem to work. Also I tried overriding the save method, but it still doesn't work.

我的自定义表单如下所示:

My custom form looks like this:

class RegistrationForm(UserCreationForm):
    first_name = forms.CharField(max_length=30)
    last_name = forms.CharField(max_length=30)
    email = forms.EmailField(max_length=75)

    class Meta:
        model = User
        fields = ("first_name", "last_name", "email",)

    def save(self, commit=True):
        user = super(RegistrationForm, self).save(commit=False)
        user.first_name = self.cleaned_data["first_name"]
        user.last_name = self.cleaned_data["last_name"]
        user.email = self.cleaned_data["email"]
        if commit:
            user.save()
        return user

处理此问题的视图如下:

The view to handle this is the following:

def Register(request):
    if request.method == 'POST':
        form = RegistrationForm(request.POST)
        if form.is_valid():
            new_user = form.save();
            new_user = authenticate(username=request.POST['username'], password=request.POST['password1'])
            login(request, new_user)
            return HttpResponseRedirect('/members/home')
    else:
        form = RegistrationForm()

    return render_to_response('register.html', {'form' : form}, context_instance=RequestContext(request))

表单可以很好地加载新字段和所有内容，但是当我提交时出现错误:

The form loads just fine with the new fields and everything, but when I submit I get the error:

AttributeError at /register/

'AnonymousUser' object has no attribute 'backend'

哦，我也在使用 Django 1.3.

Oh, and also I'm using Django 1.3.

知道我做错了什么吗?

推荐答案

我猜你的元类 fields 不包括 username.

My guess is that your meta class fields doesn't include username.

您正在从 UserCreationForm 继承表单字段，但它没有保存到 User 模型，因此 authenticate 失败，并在 authenticate 上崩溃代码>登录()

You are inheriting the form field from UserCreationForm but it's not saving to the User model and therefore authenticate is failing, and crashing on login()

文档建议您在使用 login()

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