Question

这里我需要从另一个表中选择用户的名字和第二个名字。模型是StockTransfer但我需要来自用户模型

class Meta:
    model = StockTransfer
    fields = (
        'id', 'from_stock', 'to_stock',
        'comment', 'products',
        'status', 'user',
        'transfer_request',
        'created_date',
        'date_delivery',
        'modified_date',
        'accepted_time',
        'cancelled_time',
        'first__name',
        'second__name'

    )

模型（ users.py ）

class User(AbstractBaseUser, PermissionsMixin):
    first_name = models.CharField(max_length=255)
    second_name = models.CharField(max_length=255)

----- stocktransfer.py（model）

class StockTransfer(BaseModel, DeleteMixin):
PENDING = '0'
APPROVED = '1'
CANCELLED = '2'

STATUS_CHOICES = (
    (PENDING, 'pending'),
    (APPROVED, 'approved'),
    (CANCELLED, 'cancelled'),
)

from_stock = models.ForeignKey('main.Stock', related_name='from_transfers')
to_stock = models.ForeignKey('main.Stock', related_name='to_transfers')
comment = models.CharField(max_length=255, blank=True, null=True)
status = models.CharField(max_length=1, choices=STATUS_CHOICES, default=PENDING)
user = models.ForeignKey('main.User', null=True)

我想我可以选择第一个名字和第二个名称，只需在metaclass字段中编写first_name和second_name即可。这样对吗？有什么想法吗？

Answer 1

假设stock_transfer是StockTransfer的一个实例：

stock_transfer = StockTransfer.objects.all().get(id=1)
first_name = stock_transfer.user.first_name
second_name = stock_transfer.user.second_name

Django在元类中选择模型字段

1 个答案: