我對 Symfony 使用easyadmin（我是初學者），我被困在這個問題上：
傳遞給 App\Entity\MyOrder::setCarrier() 的引數 1 必須是 App\Entity\Carrier 的實體或 null，int 給定，在 /Users/My/Sites/test/src/Controller/Admin/MyOrderCrudController.php 中呼叫（代碼行：$myorder->setCarrier(2);）
對于所有有關系的領域，我都有這個問題。
但是，我的物體：
/**
* @ORM\ManyToOne(targetEntity=Delivery::class, inversedBy="myOrder")
*/
private $delivery;
...
public function getCarrier(): ?carrier
{
return $this->carrier;
}
public function setCarrier(?carrier $carrier): self
{
$this->carrier = $carrier;
return $this;
}
...
我的 CrudController：
namespace App\Controller\Admin;
use App\Entity\MyOrder;
use App\Entity\Carrier;
use Doctrine\ORM\EntityManagerInterface;
use EasyCorp\Bundle\EasyAdminBundle\Config\Action;
use EasyCorp\Bundle\EasyAdminBundle\Config\Actions;
use EasyCorp\Bundle\EasyAdminBundle\Config\Crud;
use EasyCorp\Bundle\EasyAdminBundle\Context\AdminContext;
use EasyCorp\Bundle\EasyAdminBundle\Controller\AbstractCrudController;
use EasyCorp\Bundle\EasyAdminBundle\Field\ArrayField;
use EasyCorp\Bundle\EasyAdminBundle\Field\ChoiceField;
use EasyCorp\Bundle\EasyAdminBundle\Field\IdField;
use EasyCorp\Bundle\EasyAdminBundle\Field\TextField;
use EasyCorp\Bundle\EasyAdminBundle\Field\AssociationField;
use EasyCorp\Bundle\EasyAdminBundle\Router\CrudUrlGenerator;
use EasyCorp\Bundle\EasyAdminBundle\Router\AdminUrlGenerator;
class MyOrderCrudController extends AbstractCrudController
{
private $entityManager;
private $adminUrlGenerator;
public function __construct(EntityManagerInterface $entityManager, AdminUrlGenerator $adminUrlGenerator)
{
$this->entityManager = $entityManager;
$this->adminUrlGenerator = $adminUrlGenerator;
}
public static function getEntityFqcn(): string
{
return MyOrder::class;
}
public function configureCrud(Crud $crud): Crud
{
return $crud->setDefaultSort(['id' => 'DESC']);
}
public function configureActions(Actions $actions): Actions
{
$updateDelivery = Action::new('updateDelivery', 'Delivery up', 'fas fa-truck')->linkToCrudAction('updateDelivery');
return $actions
->add('detail', $updateDelivery)
->add('index', 'detail');
}
public function updateDelivery(AdminContext $context)
{
$myorder = $context->getEntity()->getInstance();
$myorder->setCarrier(2);
$this->entityManager->flush();
$url = $this->adminUrlGenerator->setRoute('admin', [])->generateUrl();
return $this->redirect($url);
}
uj5u.com熱心網友回復：
setCarrier只接受一個Carrier物件。您不能通過“2”（我想它是運營商 ID）。
嘗試這個 ：
$carrier = $this->entityManager->find(Carrier::class, 2);
$myorder->setCarrier($carrier);
PS：您的物體中有一個錯字（類名的第一個字母是大寫的，所以“Carrier”而不是“carrier”）
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