Django用户模型类自带的字段，速查速看速用_django 默认字段名

Django用户模型类
Django认证系统中提供了用户模型类User保存用户的数据，默认的User包含以下常见的基本字段：

常用方法：

管理器方法：
管理器方法即可以通过User.objects. 进行调用的方法。

用户模型类已封装好的字段：

1. Django认证系统中提供的用户模型类及方法很方便，我们可以使用这个模型类，继承即可使用里面定义好的字段。
2. 但是有些字段无法满足项目需求，需要给模型类添加额外的字段，就需要自定义的用户模型类，继承对应的模型类即可。

AbstractUser类的定义的字段：

class AbstractUser(AbstractBaseUser, PermissionsMixin):
    """
    An abstract base class implementing a fully featured User model with
    admin-compliant permissions.

    Username and password are required. Other fields are optional.
    """
    username_validator = UnicodeUsernameValidator() if six.PY3 else ASCIIUsernameValidator()

    username = models.CharField(
        _('username'),
        max_length=150,
        unique=True,
        help_text=_('Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.'),
        validators=[username_validator],
        error_messages={
            'unique': _("A user with that username already exists."),
        },
    )
    first_name = models.CharField(_('first name'), max_length=30, blank=True)
    last_name = models.CharField(_('last name'), max_length=30, blank=True)
    email = models.EmailField(_('email address'), blank=True)
    is_staff = models.BooleanField(
        _('staff status'),
        default=False,
        help_text=_('Designates whether the user can log into this admin site.'),
    )
    is_active = models.BooleanField(
        _('active'),
        default=True,
        help_text=_(
            'Designates whether this user should be treated as active. '
            'Unselect this instead of deleting accounts.'
        ),
    )
    date_joined = models.DateTimeField(_('date joined'), default=timezone.now)
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定义的字段总结：
1.username
2.first_name
3.last_name
4.email
5.is_staff
6.is_active
7.date_joined

AbstractBaseUser类定义的字段：

@python_2_unicode_compatible
class AbstractBaseUser(models.Model):
    password = models.CharField(_('password'), max_length=128)
    last_login = models.DateTimeField(_('last login'), blank=True, null=True)

    is_active = True

    REQUIRED_FIELDS = []

    class Meta:
        abstract = True
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字段总结：
1.password
2.last_login

PermissionsMixin类的字段：

class PermissionsMixin(models.Model):
    """
    A mixin class that adds the fields and methods necessary to support
    Django's Group and Permission model using the ModelBackend.
    """
    is_superuser = models.BooleanField(
        _('superuser status'),
        default=False,
        help_text=_(
            'Designates that this user has all permissions without '
            'explicitly assigning them.'
        ),
    )
    groups = models.ManyToManyField(
        Group,
        verbose_name=_('groups'),
        blank=True,
        help_text=_(
            'The groups this user belongs to. A user will get all permissions '
            'granted to each of their groups.'
        ),
        related_name="user_set",
        related_query_name="user",
    )
    user_permissions = models.ManyToManyField(
        Permission,
        verbose_name=_('user permissions'),
        blank=True,
        help_text=_('Specific permissions for this user.'),
        related_name="user_set",
        related_query_name="user",
    )

    class Meta:
        abstract = True

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定义的字段总结：
1.is_superuser
2.groups
3.user_permissions