django redux 表单中的复选框。我正在使用 django-redux

Question

我在 django redux 注册表单中添加了两个复选框。现在，我可以检查这两个选项，但我希望用户一次选择任何一个。如何做到这一点？ 下面是我的代码

models.py

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

# Create your models here.
class UserSelection(models.Model):
    employer = models.BooleanField()
    candidate = models.BooleanField()
    user = models.OneToOneField(User)

forms.py

from django import forms
from registration.forms import RegistrationFormUniqueEmail

class MyRegForm(RegistrationFormUniqueEmail):
    employer = forms.BooleanField()
    candidate = forms.BooleanField()

regbackend.py

from registration.backends.default.views import RegistrationView
from .forms import MyRegForm
from .models import UserSelection

class MyRegistrationView(RegistrationView):
    form_class = MyRegForm

    def register(self, form_class):
        new_user = super(MyRegistrationView, self).register(form_class)
        p = form_class.cleaned_data['employer']
        q = form_class.cleaned_data['candidate']
        new_profile = UserSelection.objects.create(user=new_user, employer=p, candidate=q)
        new_profile.save()
        return new_user

Answer 1

您确定要两个布尔字段吗？如果您有一个带有选项的 char 字段，则该表单将只允许您选择一个选项。

USER_TYPE_CHOICES = [
    ('employer', 'Employer'),
    ('candidate', 'Candidate'),
]

class UserSelection(models.Model):
    user = models.OneToOneField(User)
    user_type = models.CharField(max_length=10, choices=USER_TYPE_CHOICES)

如果你真的想要两个布尔字段，你可以为你的模型写一个干净的方法。

from django.core.exceptions import ValidationError

class UserSelection(models.Model):
    employer = models.BooleanField(blank=True)
    candidate = models.BooleanField(blank=True)
    user = models.OneToOneField(User)

    def clean(self):
        if self.employer and self.candidate:
            raise ValidationError("You cannot select employer and candidate")
        if not (self.employer or self.candidate):
            raise ValidationError("You must select employer or candidate")

请注意，您需要在布尔字段上使用 blank=True 以允许用户不勾选它们。