我心中已經有問題在Django「自我」多對多關係:在views.pyDjango的多對多關係:「元組」對象有沒有屬性「所有」
class EcomProduct(models.Model):
products = models.ManyToManyField('self', through='EcomProductToProduct', symmetrical=False),
class EcomProductToProduct(models.Model):
from_ecom_product = models.ForeignKey(EcomProduct,related_name='from_ecomproduct')
to_ecom_product = models.ForeignKey(EcomProduct,related_name='to_ecomproduct')
class Meta:
db_table = u'ecom_product_to_product'
現在:
我的模型我需要獲得與特定產品的所有產品:
def show_product(request, ecomproduct_slug, template_name="catalog/product.html"):
p = get_object_or_404(EcomProduct, slug=ecomproduct_slug)
related_products_to_product = p.products.all() #it doesn't work
我收到消息:
Exception Value: 'tuple' object has no attribute 'all'
我不知道如何解決它。問題是如何將特定產品的所有相關產品? 感謝您的幫助。
請回復(p)和repr(p.products) – guettli