Django教程中User-Profile的使用方法介绍（附源码）

on_delete=models.CASCADE

from django.dispatch import receiverfrom django.db.models.signals import post_save

from django.db import models

from django.contrib.auth.models import User

#信号

from django.db.models.signals import post_save,post_init

from django.dispatch import receiver

class Profile(models.Model):

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

    birth = models.DateField(null=True,blank=True)

    def __str__(self):

        return self.user.username

    class Meta:

        db_table = 'profile'

@receiver(post_save,sender=User)

def create_user_profile(sender,instance,created,**kwargs):

    print('创建User')

    if created:

        Profile.objects.create(user=instance)

@receiver(post_save,sender=User)

def save_user_profile(sender,instance,**kwargs):

    print('保存User')

    instance.profile.save()