如何从 Doctrine 实体 (Symfony 4) 加载表单选项？

Question

我正在尝试从我的 Doctrine 实体加载我的 formbuilder 选项 FieldTypes:

$formBuilder->add('type', EntityType::class, array(
          'attr' => array('class' => 'form-control select2'), 'label' => 'Type',
          'class' => FieldTypes::class,
        ));

但我收到错误消息：

Class App\Controller\FieldTypes does not exist

Answer 1

你应该在 class 的顶部加上一个 use:

namespace App\Controller;

use App\Entity\FieldTypes;

class MyController
{
    // ...

    public function myAction()
    {
        // ...

        $formBuilder->add('type', EntityType::class, array(
            'attr' => array(
                'class' => 'form-control select2'
            ),
            'label' => 'Type',
            'class' => FieldTypes::class,
        ));

        // ...
    }

    // ...
}

如何从 Doctrine 实体 (Symfony 4) 加载表单选项？

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