我在accounts/signals/__init__.py下面的代碼: from django.db.models.signals import post_save
from django.dispatch import receiver
from orders.models import Order
from accounts.models import Balance
@recei
我有一個模型M包含三個manytomanyfields(a,b,c)django中的三個不同的模型。 class M (models.Model):
name = models.CharField()
a = models.ManyToManyField(A)
b = models.ManyToManyField(B)
c = models.