尝试将QuerySet作为初始数据传递给表单集 [英] Trying to pass a QuerySet as initial data to a formset

问题描述

我正在尝试为库存系统构建一个页面，使用户可以更新收到的物品数量。

I'm trying to build a page for an inventory system that will allow a user to update a quantity of items received.

我想显示所有产品的表格，并让用户输入收到的数量，然后将其过帐并进行迭代以更新数据库。

I want to show a table of all products and let the user enter the quantity received, which I'll post and iterate over to update the database.

这是我的观点：

def new_shipment(request):
    list_of_active_products = Product.objects.filter(status=1)
    ShipmentFormSet = formset_factory(ShipmentForm, extra=0)
    formset = ShipmentFormSet(initial=list_of_active_products)
    return render_to_response('inventory/new_shipment.html', {'formset': formset})

这是我的表单模型：

class ShipmentForm(forms.Form):
    sku = forms.IntegerField()
    product_name = forms.CharField(max_length=100)
    quantity = forms.IntegerField()

这是表单模板：

<form method="post" action="">
    <table>
        {% for form in formset %}
    {{ form }}
    {% endfor %}
    </table>    
    <input type="submit" />
</form>

这是我得到的错误：

呈现时捕获到AttributeError：产品对象没有属性获取

Caught AttributeError while rendering: 'Product' object has no attribute 'get'

有人可以帮我吗？

推荐答案

您还可以使用queryset参数。这应该起作用：

You can also use the queryset argument. This should work:

formset = ShipmentFormSet（queryset = list_of_active_products）

formset = ShipmentFormSet(queryset=list_of_active_products)

cf。 https://docs.djangoproject.com/en/ dev / topics / forms / modelforms /＃changing-the-queryset

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