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07-django-models.mdmodels.ForeignKey 現在需要on_delete #38

@doomleika

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@doomleika
class MenuItem(models.Model):

    store = models.ForeignKey('Store', related_name='menu_items')
    name = models.CharField(max_length=20)
    price = models.IntegerField()

    def __str__(self):
        return self.name

現在models.ForeignKey的 on_delete是必要參數

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