TypeError at /register/ 'AnonymousUser' 对象不可迭代

Question

我目前正在开发一个博客Web应用程序，我试图用一对一字段扩展我的Django用户框架，一切都很好，但是当我尝试注册新用户时，它会抛出TypeError。还值得注意的是，正在创建和存储用户（我从管理页面进行了检查）。它是说，我 views.py 的这一发言正在制造问题。profile.user = Profile.objects.get(user=request.user)我的 models.py：from django.db import modelsfrom django.contrib.auth.models import Userclass Profile(models.Model):    user = models.OneToOneField(User, on_delete=models.CASCADE)    image = models.ImageField(default='default.jpg', upload_to='profile_pics')    CHOICES = (        ('AB+', 'AB+'),        ('AB-', 'AB-'),        ('A+', 'A+'),        ('A-', 'A-'),        ('B+', 'B+'),        ('B-', 'B-'),        ('O+', 'O+'),        ('O-', 'O-'),        )    bloodgroup = models.CharField(max_length=100, choices= CHOICES)    bio = models.TextField(max_length=300)    def __str__(self):        return f'{self.user.username} Profile'我的 views.pyfrom django.shortcuts import render, redirectfrom .models import Profilefrom django.contrib import messagesfrom django.contrib.auth.decorators import login_requiredfrom .forms import UserRegisterForm, ProfileFormdef register(request):    if request.method == 'POST':        form = UserRegisterForm(request.POST)        profile_form = ProfileForm(request.POST)        if form.is_valid() and profile_form.is_valid():            form.save()            profile = profile_form.save(commit=False)            profile.user = Profile.objects.get(user=request.user)              profile.save()            username = form.cleaned_data.get('username')            messages.success(request, f'Your account has been created! You are now able to log in')            return redirect('login')    else:        form = UserRegisterForm()        profile_form = ProfileForm    return render(request, 'users/register.html', {'form': form, 'profile_form': profile_form})@login_requireddef profile(request):    return render(request, 'users/profile.html')

Answer 1

我认为你写的两个信号是不必要的。此外，此行也不起作用：

profile.user = Profile.objects.get(user=request.user)  

因为您尚未登录。未登录，您将无法在此处获取用户实例。但没有必要。因为，您可以从另一个窗体获取用户实例。喜欢这个：

def register(request):

    if request.method == 'POST':

        form = UserRegisterForm(request.POST)

        profile_form = ProfileForm(request.POST, request.FILES)

        if form.is_valid() and profile_form.is_valid():

            user = form.save()

            profile = profile_form.save(commit=False)

            profile.user = user  

            profile.save()

            username = form.cleaned_data.get('username')

            messages.success(request, f'Your account has been created! You are now able to log in')

            return redirect('login')

    else:

        form = UserRegisterForm()

        profile_form = ProfileForm()

    return render(request, 'users/register.html', {'form': form, 'profile_form': profile_form})

另外，请务必删除这两个信号。