Django创建不带密码字段的用户实例

from django.db import models
from django.contrib.auth.models import AbstractBaseUser, BaseUserManager

class CustomUserManager(BaseUserManager):
    def create_user(self, username, email=None, **extra_fields):
        # 创建用户实例
        user = self.model(username=username, email=email, **extra_fields)
        user.save(using=self._db)
        return user

    def create_superuser(self, username, email=None, **extra_fields):
        # 创建超级用户实例
        extra_fields.setdefault('is_staff', True)
        extra_fields.setdefault('is_superuser', True)
        return self.create_user(username, email, **extra_fields)

class CustomUser(AbstractBaseUser):
    username = models.CharField(max_length=150, unique=True)
    email = models.EmailField(blank=True)
    # 其他自定义字段...

    objects = CustomUserManager()

    USERNAME_FIELD = 'username'
    EMAIL_FIELD = 'email'
    # 其他必需字段...

    def __str__(self):
        return self.username

    def has_perm(self, perm, obj=None):
        return True

    def has_module_perms(self, app_label):
        return True

    @property
    def is_staff(self):
        return self.is_superuser

    class Meta:
        verbose_name = '用户'
        verbose_name_plural = '用户'