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我有以下模型,因为其意图是具有每个项目的动态属性。将选项显示为同一模型表单的另一个属性django
class Attribute(models.Model):
label = models.CharField(max_length = 255)
class Value(models.Model):
attribute = models.ForeignKey(Attribute)
value = models.CharField(max_length = 255)
class Item(models.Model):
user = models.ForeignKey(User, editable = False)
title = models.CharField(max_length = 150, blank = True)
price = models.DecimalField(max_digits = 8, decimal_places = 2, null = True)
categories = models.ManyToManyField(Category)
class Datasheet(models.Model):
item = models.ForeignKey(Item, editable = False)
attribute = models.ForeignKey(Attribute)
currentValue = models.ForeignKey(Value)
当我保存没有问题的,但是当我要编辑的数据表形式的数值显示我的何种属性的 所有可能的值:
Datasheet
Item: Mouse
Attribute: Color
Values: Red, Orange, Yellow, Blue, Apple, Honda, Yamaha
但我只需要看到的属性值为了那个原因。
Datasheet
Item: Mouse
Attribute: Color
Values: Red, Orange, Yellow, Blue
在视图:
datasheetFormSet = inlineformset_factory(Item, Datasheet, form = DatasheetForm, extra = 0)
formsetDatasheet = datasheetFormSet(instance = item)
任何人有这种问题的经验?