问题描述
我想在我的表中设置默认值,它必须是 user_auth_model 管理员的主键,但它向我显示了这个错误
class department(models.Model):
dept_id = models.AutoField(primary_key=True)
dept_name = models.CharField(max_length=100)
adid = models.ForeignKey(settings.AUTH_USER_MODEL,on_delete=models.DO_nothing,null=False,default='admin')
def __str__(self):
return self.dept_name
这是我保存时的错误
ValueError: invalid literal for int() with base 10: 'admin'
解决方法
您可以创建一个可调用对象并让该可调用对象将其链接到 admin
:
from django.contrib.auth import get_user_model
def default_admin_user():
if hasattr(default_user,'admin'):
return default_user.admin
else:
default_user.admin = result = get_user_model().objects.get(username='admin')
return result
class department(models.Model):
# …
adid = models.ForeignKey(
settings.AUTH_USER_MODEL,on_delete=models.DO_NOTHING,default=default_admin_user
)