The easiest way to construct a compliant custom User model is to inherit from AbstractBaseUser. AbstractBaseUser provides the core implementation of a User model, including hashed passwords and tokenized password resets. You must then provide some key implementation details:
可以继承AbstractBaseUser来做哦~~
https://docs.djangoproject.com/en/dev/topics/auth/customizing/#django.contrib.auth.models.AbstractBaseUser
