Django自定义user表

from django.contrib.auth.models import AbstractUser


class CustomUser(AbstractUser):
    class Meta:
        db_table = 'auth_user'

    username = models.CharField(max_length=50, unique=True)
    password = models.CharField(max_length=100)
    email = models.CharField(max_length=100, default='')
    phone = models.CharField(max_length=20, default='')
    role = models.CharField(max_length=10, default='user', choices=(('user', '普通用户'), ('admin', '管理员'), ('vip', 'VIP')))
    query_num = models.IntegerField(default=0)
    download_num = models.IntegerField(default=0)
    last_active = models.DateField(auto_now_add=True)
    created_time = models.DateTimeField(auto_now_add=True)
    last_login = models.DateTimeField(null=True)

    @property
    def is_active(self):
        return self.role == 'admin'

    @property
    def is_staff(self):
        return self.role == 'admin'

    def has_perm(self, *args, **kwargs):
        return self.role == 'admin'

    def has_module_perms(self, *args, **kwargs):
        return self.role == 'admin