这是一个基于user1207727更详细的解决方案。
父类型
class FrontentStatsInputFormType extends AbstractType
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->add('records', CollectionType::class, array(
'entry_type' => FrontendStatsRecordType::class,
'allow_add' => false,
'allow_delete' => false,
'label' => null,
))
;
}
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults(array(
'data_class' => null
));
}
}
儿童型
class FrontendStatsRecordType extends AbstractType
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->addEventListener(FormEvents::PRE_SET_DATA,
function (FormEvent $event) use ($builder)
{
$form = $event->getForm();
$child = $event->getData();
if ($child instanceof StatsRecord) {
// Do what ever you like with $child entity data
// $child->getSomeValue();
$form->add('value', TextType::class);
}
}
);
}
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults(array(
'data_class' => 'AppBundle\Entity\StatsRecord',
));
}
}
创建控制器形式
public function indexAction(Request $request, InputForm $inputForm) {
$data = array();
foreach ($inputForm->getStatsTemplates() as $template) {
$statsRecord = new StatsRecord();
$data['records'][] = $statsRecord;
}
$form = $this->createForm('AppBundle\Form\FrontentStatsInputFormType', $data);
$form->handleRequest($request);
if ($form->isSubmitted() && $form->isValid()) {
$em = $this->getDoctrine()->getManager();
// Get entries and persist them in the database
$records = $form->get('records')->getData();
foreach ($records as $record) {
$em->persist($record);
}
$em->flush();
return $this->redirectToRoute('frontend_index');
}
return $this->render('frontend/showInputForm.html.twig', array(
'inputForm' => $inputForm,
'form' => $form->createView(),
));
}
要问的明显曲estion,你的父实体中是否有用于表单数据的任何Bars?你可以通过var_dumping从你的父表单类型的数据来检查你的bars集合吗? – user1207727 2012-03-16 21:10:23
太好了,谢谢!这个工作很完美,也让我看到了我忽略的文档中的部分:[如何使用表单事件动态生成表单](http://symfony.com/doc/current/cookbook/form/dynamic_form_generation.html) – Nick 2012-03-16 21:32:28
啊,我在删除它之前就发现了我的评论 - 我懒惰地将你的答案的一部分排除在formfactory之外,试图继续仅仅是建造者本身。然后我决定逐字使用你的解决方案,并且它工作。很抱歉混淆! – Nick 2012-03-16 21:33:45