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Django: mostrando muchos campos adicionales en la plantilla

Tengo los siguientes problemas cuando trato de mostrar el campo adicional de la 'tabla de canales' de una plantilla de relación de muchos a muchos. mi modelo.py:

 class Product(models.Model): productName = models.CharField(max_length=500) price = models.DecimalField(max_digits=10, decimal_places=2, blank=True, null=True) def __str__(self): return self.productName def get_absolute_url(self): return reverse('itake:productList') class Order(models.Model): orderID = models.CharField(max_length=100, blank=True, null=True) products = models.ManyToManyField(Product,related_name="order_item", through="OrderItem") def __str__(self): return self.orderID class OrderItem(models.Model): product = models.ForeignKey(Product, on_delete=models.CASCADE,null=True) order = models.ForeignKey(Order,on_delete=models.CASCADE, null=True) orderQuantity = models.IntegerField(default=10) def __str__(self): return self.order.orderID + '-' +self.product.productName

mis vistas.py:

 def orderDetails(request,order_id): order = get_object_or_404(Order,pk=order_id) products = order.products.all() context = {'order': order,'products':products} return render(request, 'itake/orderDetails.html', context)

mis plantillas:

 {% for products in products %} <p>{{products.productName}} | {{products.price}} | {{products.orderQuantity}}</p> {% endfor %}

Sin embargo, solo puede enumerar el nombre y el precio del producto, la cantidad del pedido no se muestra en la página web.

over 4 years ago · Santiago Trujillo
1 answers
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0

orderQuantity es una propiedad de OrderItem , no de Product .

Tratar:

 class OrderItem(models.Model): product = models.ForeignKey(Product, on_delete=models.CASCADE,null=True) order = models.ForeignKey(Order,on_delete=models.CASCADE, null=True, related_name='items') orderQuantity = models.IntegerField(default=10) def __str__(self): return self.order.orderID + '-' +self.product.productName

Y en la plantilla:

 {% for item in order.items %} <p> {{ item.product.productName }} | {{ item.product.price }} | {{ item.orderQuantity }} </p> {% endfor %}

Y tal vez quieras cambiar los models.CASCADE del modelo, ya que esto hará que se borre el producto si se borra el pedido.

over 4 years ago · Santiago Trujillo Report
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