python - 如何修复 str 对象没有属性 '_meta'

Question

我正在 Django 项目中迁移我的模型，但正在生成错误。下面是代码。我的代码中应该进行哪些更正以解决此问题

Models.py
from django.db import models
from django.contrib.auth.models import User

# Create your models here.
class UserProfileInfo(models.Model):

    user = models.OneToOneField(User, on_delete=models.CASCADE)

    #addtional
    portfolio_site = models.URLField(blank=True)

    profile_pic = models.ImageField(blank=True,upload_to="profile_pics")

    def __str__(self):
        return (self.user.username)

Forms.py
from django import forms
from django.contrib.auth.models import User
from basic_app.models import UserProfileInfo

class UserForm(forms.ModelForm):
    password = User.CharField(widget=forms.PasswordInput())

    class Meta():
        model = User
        fields = ['username','email', 'password']


class UserProfileInfo(forms.ModelForm):
    class Meta():
        model = UserProfileInfo
        fields=['portfolio_site','profile_pic']     

Admin.py
from django.contrib import admin
from basic_app.models import UserProfileInfo


# Register your models here.
admin.site.register('UserProfileInfo')

我得到 属性错误:“str”对象没有属性“_meta”

Answer 1

admin.site.register(..) [Django-doc]的参数是一个模型，或者可迭代的模型；以及可选的模型管理员。不是该型号的字符串。

因此，您应该传递对 UserProfileInfo 的引用，不是包含该名称的字符串。

喜欢:

# app/admin.py

from django.contrib import admin
from basic_app.models import UserProfileInfo

# an identifier, <i>not</i> a string
admin.site.register(<b>UserProfileInfo</b>)