您好我正在尝试将产品sku保存到django模型但它不会保存任何内容并且无声地失败
这是models.py
class Product(models.Model):
brand = models.ForeignKey(Brand , related_name='products')
category = models.ForeignKey('Category', verbose_name='categories', related_name='products' , default='')
title = models.CharField(max_length=500)
SKU = models.CharField(max_length=100 , blank=True , unique=True)
def product_post_save_receiver(sender,instance,*args,**kwargs):
if instance.SKU is None:
var1 = instance.title[:3]
var2 = instance.brand.title[:3]
var3 = var1+var2
instance.SKU = var3
instance.save()
post_save.connect(product_post_save_receiver,sender=Product)
我该怎么做才能解决上述问题
提前谢谢
答案 0 :(得分:0)
你尝试过这样的事吗?
@receiver(post_save, sender=Product)
def product_post_save_receiver(sender,instance,**kwargs):
if instance.SKU is None:
var1 = instance.title[:3]
var2 = instance.brand.title[:3]
var3 = var1+var2
instance.SKU = var3
instance.save()