I have a form that is bound to an entity, but it also has an extra unmapped field: (from the FormType class)
我有一个绑定到实体的表单,但它还有一个额外的未映射字段:(来自FormType类)
$builder
->add('name')
->add('qoh')
->add('serialNumber', 'text', array('mapped' => false, 'required' => false))
I want to pre-populate the serialNumber field from the controller with information taken from the request URL. The closest method I have found would be:
我想从控制器预先填充serialNumber字段,其中包含从请求URL获取的信息。我发现的最接近的方法是:
$form->setData(mixed $modelData)
$ form-> setData(mixed $ modelData)
but the API does not specify what form '$modelData' takes and nothing I've tried has had any effect.
但API没有指定'$ modelData'采用什么形式,我尝试过的任何东西都没有任何效果。
31
Someone on Symfony's IRC channel gave me this answer, and they declined to post it here:
Symfony的IRC频道有人给了我这个答案,他们拒绝在这里发布:
$form->get('serialNumber')->setData($serial_number);
$形式 - >获取( 'SERIALNUMBER') - >使用setData($ SERIAL_NUMBER);
7
You can pre-populate the field in twig (Set default value of Symfony 2 form field in Twig).
您可以在树枝中预先填充该字段(在Twig中设置Symfony 2表单字段的默认值)。
...
{{ form_widget(form.serialNumber, { value : serialNumber }) }}
...
7
You can use Form Events. For example if you want to set the data from the database to a non mapped field you can use POST_SET_DATA:
您可以使用表单事件。例如,如果要将数据从数据库设置为非映射字段,则可以使用POST_SET_DATA:
class AddNonMappedDataSubscriber implements EventSubscriberInterface
{
protected $em;
public function __construct(EntityManager $em)
{
$this->em = $em;
}
public static function getSubscribedEvents()
{
return array(
FormEvents::POST_SET_DATA => 'postSetData'
);
}
public function postSetData(FormEvent $event){
$form = $event->getForm();
$myEntity = $event->getData();
if($myEntity){
$serialNumber = $myEntity->getNumber();
$form->get('serialNumber')->setData($serialNumber);
}
}
}
本站翻译的文章,版权归属于本站,未经许可禁止转摘,转摘请注明本文地址:http://www.silva-art.net/blog/2013/10/17/6fd97add13af107d8b0eef29860bb7c0.html。