模型= Django Meta类中的用户

Question

I am trying to read a code that concerns about user registration form. The code has a Meta class which I know what it does, but assigning model to User doesn't give sense to me. Can you please explain it?

from django import forms
from django.contrib.auth.forms import UserCreationForm
from django.contrib.auth.models import User

class UserRegisterForm(UserCreationForm):
    email = forms.EmailField()
    class Meta:
        model = User # explain?
        fields = ["username", "email", "password1", "password2"]

Answer 1

Django relies on Inner Classes to provide metadata, Your UserRegisterForm needs to know when you call UserRegisterForm.save() what database table to send this form data to.

This is why you need model = User inside your Meta class, so the form knows where to go about storing.