Symfony 2-如何将数据传递给formBuilder? [英] Symfony 2 - how to pass data to formBuilder?

问题描述

我在表单中使用实体选择列表.我只想使用特定的实体(例如:仅用户所属的组) 因此，在控制器中，我正在获取这些组，并尝试将它们传递到formBuider.

I'm using entity choice list in my form. I want to use only specific entities (in example: only groups that user belongs to) So, in controller, I'm getting these groups, and trying to pass them into formBuider.

控制器:

/.../
$groups = $em->getRepository('VendorMyBundle:Group')->getUserGroups($user);
$form = $this->createForm(new Message($groups), $message);
/.../

那么，现在怎么办?如何在formBuilder中使用它? 如何更改此行以使用通过的组数组?

so, what now? how to use it in formBuilder? how to change this line to use passed array of groups?

->add('group','entity',array('class' => 'Vendor\MyBundle\Entity\Group', 'label'=>'Group:'))

或以另一种方式:

class MessageType
{
/.../
  public function buildForm(FormBuilder $builder, array $options)
  {
    $builder
      ->add('group','entity',
        array(
          'class' => 'Vendor\MyBundle\Entity\Group',
          'property' => 'name',
          'query_builder' => function ($repository) {
            $qb = $repository->createQueryBuilder('group');
            $qb->add('where', 'group.administrator = :user');
            $qb->setParameter('user', $user->getId());
            return $qb;
          },
          'label' => 'Group'
        )
      )
      // Continue adding fields
    ;
  }
/.../
}

那么我如何才能在表单生成器中使用对象$ user? ($ user代表当前登录的用户)

so how can i get object $user to use in form builder? ($user represent current logged user)

推荐答案

您可以在__construct()方法中提供要使用的对象.

You can give the object you want to use in the __construct() method.

例如:

$form = $this
    ->get('form.factory')
    ->create(new ApplyStepOneFormType($this->company, $this->ad), $applicant);

在您的表单中输入:

function __construct(\Your\Bundle\Entity\Company $company, \DYB\ConnectBundle\Entity\Ad $ad) {
    $this->company = $company;
    $this->ad = $ad;
}

然后在表单中使用buildForm方法:

And then in your form type in buildForm method :

$company = $this->company;    
$builder->add('ad', 'entity', array(
    'class' => '\Your\Bundle\Entity\Ad',
    'query_builder' => function(\Your\Bundle\Repository\AdRepository $er) use ($company) {
        return $er->getActiveAdsQueryBuilder($company);
    },
));

这篇关于Symfony 2-如何将数据传递给formBuilder?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！