Symfony 在嵌入的表单集合中获取实体
在我的编辑表单中,我需要获取嵌入表单中的实体对象。这是我的主要编辑表单:Symfony 在嵌入的表单集合中获取实体,symfony,symfony-forms,symfony4,Symfony,Symfony Forms,Symfony4,在我的编辑表单中,我需要获取嵌入表单中的实体对象。这是我的主要编辑表单: class OrderCollectionsEditType extends AbstractType { public function buildForm(FormBuilderInterface $builder, array $options) { $builder ->add('sampleCollections', CollectionType::c
class OrderCollectionsEditType extends AbstractType
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->add('sampleCollections', CollectionType::class, [
'entry_type' => SampleCollectionType::class,
'allow_add' => true,
'allow_delete' => true,
'by_reference' => false
])
;
}
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults([
'data_class' => Order::class,
]);
}
}
和嵌入式的一个:
class SampleCollectionType extends AbstractType
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
$sampleCollection = $builder->getData();
$builder
->add('methods', EntityType::class, [
'class' => Method::class,
'multiple' => true,
])
{...}
;
}
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults([
'data_class' => SampleCollection::class,
]);
}
}
在控制器中创建的窗体:
$form = $this->createForm(OrderCollectionsEditType::class, $order);
问题是$sampleCollection返回NULL,但表单中的值已正确填充。是否有其他方法获取实体对象?该对象被传递到$options['data]属性中的表单。
而不是$sampleCollection=$builder->getData;通过$sampleCollection=$options['data]获取它 不幸的是,上面建议的$options['data']不适用于CollectionType,没有'data'索引。经过更深入的研究,我找到了解决方案,我们可以使用PRE_SET_DATA form event,然后在listener函数中获取实体对象 解决方案:
你试过“选择标签”吗?@thomascomes没有,我需要实体对象来设置/修改“数据”选项。我需要更多睡眠。。。天机!普洛斯·巴尔佐:看我的最后一篇文章
class SampleCollectionType extends AbstractType
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) {
$sampleCollection = $event->getData();
$form = $event->getForm();
$form->add('methods', EntityType::class, [
'class' => Method::class,
'multiple' => true,
]);
}
;
}
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults([
'data_class' => SampleCollection::class,
]);
}
}