Django 如何对多对多字段进行批量add
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ValueError: "<OrderShipping: OS-180623085540>" needs to have a value for field "id" before this many-to-many relationship can be used.class OrderGoodsInfo(models.Model):
...
....
class OrderShipping(models.Model):
order = models.ManyToManyField(OrderGoodsInfo, blank=True, verbose_name="物流ID")
....
...
....
class OrderShipping(models.Model):
order = models.ManyToManyField(OrderGoodsInfo, blank=True, verbose_name="物流ID")
....
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