[英]Laravel - cannot use Eloquent model method
The table distributor_requisition_items
has the columns : requisition_id
, product_id
, measuring_unit_id
, quantity
表
distributor_requisition_items
具有以下列: requisition_id
, product_id
, measuring_unit_id
, quantity
In the model DistributorRequisition.php
, I have: 在模型
DistributorRequisition.php
,我具有:
class DistributorRequisition extends Model
{
public function items()
{
return $this->belongsToMany('App\Product','distributor_requisition_items',
'requisition_id','product_id')->withPivot('measuring_unit_id','quantity');
}
}
In the controller I have : 在控制器中,我有:
class CurrentInventoryController extends Controller
{
public function distributor_inventory(Request $request)
{
$distributor_requisition=DistributorRequisition::get();
$distributor_requisitions_all= $distributor_requisition->items;
// this line produces an error
return view('admin.current_inventory.distributor-inventory',
compact('distributor_requisitions_all','stores',.....));
}
}
In the distributor-inventory.blade.php
, I have : 在
distributor-inventory.blade.php
,我有:
@foreach($distributor_requisitions_all as $aP)
{{$aP->items->measuring_unit_id}}
@endforeach
I get the following error : 我收到以下错误:
Exception in Collection.php line 1527: Property [items] does not exist on this collection instance. Collection.php第1527行中的异常:此集合实例上不存在属性[items]。
in Collection.php line 1527 at Collection->__get('items') in CurrentInventoryController.php line 64 在CurrentInventoryController.php第64行的Collection-> __ get('items')的Collection.php第1527行中
And the line 64 in the controller has : $distributor_requisitions_all= $distributor_requisition->items;
控制器中的第64行具有:
$distributor_requisitions_all= $distributor_requisition->items;
So how to use the eloquent model method items
in the controller so that I can access the distributor_requisitions_all
variable in the view to extract values from it ? 那么如何在控制器中使用雄辩的模型方法
items
,以便我可以访问视图中的distributor_requisitions_all
变量以从中提取值?
$distributor_requisition=DistributorRequisition::get();
is a collection of Model DistributorRequisition, while items is a method inside the model that is why it is giving you an error .. you can't directly call a Model method from a collection .. and to solve your issue what you have to do is 是Model DistributorRequisition的集合,而items是模型内部的方法,这就是它给您带来错误的原因..您不能直接从集合中调用Model方法并解决您必须解决的问题是
in your function 在你的职能
public function distributor_inventory(Request $request)
{
$distributor_requisition=DistributorRequisition::get();
return view('admin.current_inventory.distributor-inventory',
compact('distributor_requisition','stores',.....));
}
and in your view 在你看来
@foreach($distributor_requisition as $aP)
// {{ $aP->items->measuring_unit_id }}
// that will give you error since $aP->items is another collection of many model item what you can do is add another loop
@foreach($aP->items as $item)
$item->pivot->measuring_unit_id }}
@endforeach
@endforeach
use with() method instead of get(). 使用with()方法代替get()。
public function distributor_inventory(Request $request)
{
$distributor_requisition=DistributorRequisition::with('items');
return view('admin.current_inventory.distributor-inventory', ['distributor_requisitions_all' => $distributor_requisition]);
}
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