我想在控制器中为我的外键实体创建一个隐藏值。
我以前的控制器是这样的(工作正常):
->add('id_grup', 'entity', array('class' => 'Sifo\AdminBundle\Entity\MstGrup'))
我想为我的表单分配一个隐藏值,如下所示:
->add('id_grup', 'hidden', array('data' => $id))
但它给了我一个错误:
ContextErrorException:Catchable Fatal Error:传递给的参数1 Sifo \ AdminBundle \ Entity \ DftGrupMapel :: setIdGrup()必须是一个实例 Sifo \ AdminBundle \ Entity \ MstGrup,给出的字符串,调用 C:\ Sifony \厂商\ symfony的\ symfony的\ SRC \的Symfony \元器件\ PropertyAccess \ PropertyAccessor.php 在360行并定义于 C:\ Sifony \ src \ Sifo \ AdminBundle \ Entity \ DftGrupMapel.php第179行
如何为隐藏的外键实体分配值?
答案 0 :(得分:1)
最后它有效!我需要在创建表单之前定义实体默认值,不要在FormBuilder中再次添加:
public function manageAction(Request $request, $id)
{
$em = $this->getDoctrine()->getManager();
$entity = $em->getRepository('SifoAdminBundle:MstGrup')->find($id);
if (!$entity) {
throw $this->createNotFoundException('Unable to find MstGrup entity.');
}
$entity_new = new DftGrupMapel();
$entity_new->setIdGrup($entity);
$new_form = $this->createFormBuilder($entity_new)
->setAction($this->generateUrl('admin_grup_mapel_manage', array('id' => $id)))
->setMethod('POST')
->getForm();
$new_form->handleRequest($request);
if ($new_form->isValid()) {
$em_new = $this->getDoctrine()->getManager();
$em_new->persist($entity_new);
$em_new->flush();
return $this->redirect($this->generateUrl('admin_grup_mapel_manage', array('id' => $id)));
}
return $this->render('SifoAdminBundle:DftGrupMapel:manage.html.twig', array(
'entity' => $entity,
'new_form' => $new_form->createView(),
));
}