[英]Create form for service in Symfony2
这是控制器中的代码摘录
$service = $this->get('questions_service');
$form_question = $service->createQuestionForm($question, $this->generateUrl('create_question', array('adId' => $ad->getId())));
这是我的服务功能
public function createQuestionForm($entity, $route)
{
$form = $this->createForm(new QuestionType(), $entity, array(
'action' => $route,
'method' => 'POST',
));
$form
->add('submit', 'submit', array('label' => '>', 'attr' => array('class' => 'button button-question button-message')));
return $form;
}
createForm()
函数是Symfony的Controller类中的别名。 您无法从服务中访问它。 您需要将Symfony容器注入服务或注入form.factory
服务。 例如:
services:
questions_service:
class: AppBundle\Service\QuestionsService
arguments: [form.factory]
然后在你的班上:
use Symfony\Component\Form\FormFactory;
class QuestionsService
{
private $formFactory;
public function __construct(FormFactory $formFactory)
{
$this->formFactory = $formFactory;
}
public function createQuestionForm($entity, $route)
{
$form = $this->formFactory->createForm(new QuestionType(), $entity, array(
'action' => $route,
'method' => 'POST',
));
$form
->add('submit', 'submit', array(
'label' => '>',
'attr' => array('class' => 'button button-question button-message')
));
return $form;
}
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