Symfony2-编辑表单时动态生成的表单不工作
根据文件： 我准备了动态生成表单。一切都正常，但只有当我使用表单添加新数据（/new）时，当我使用相同的表单编辑现有数据时，才正常工作-不工作Symfony2-编辑表单时动态生成的表单不工作,symfony,Symfony,根据文件： 我准备了动态生成表单。一切都正常，但只有当我使用表单添加新数据（/new）时，当我使用相同的表单编辑现有数据时，才正常工作-不工作 “预约”的简单表格。它应该是这样工作的：用户选择客户端，然后第二个“选择”填充正确的数据-取决于第一个选择的每个客户端。这可以，但只有当我尝试添加新约会时。当我尝试编辑否 类AppointType扩展了AbstractType { 公共函数buildForm（FormBuilderInterface$builder、array$options） { $b
您可以在
编辑操作中创建一个新约会
，然后将其保留。您应该获取函数参数中的一个，处理请求并刷新，因为您的对象已经被持久化了
因此，请删除这些行：
class AppointmentType extends AbstractType
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->add('name')
->add('client', EntityType::class, array(
'class' => 'SystemAdminBundle:Client',
'placeholder' => '',
));
$formModifier = function(\Symfony\Component\Form\FormInterface $form, Client $client)
{
$diseases = array();
if($client !== null) {
$diseases = $client->getDiseases();
}
$form->add('disease', EntityType::class, array(
'class' => 'SystemAdminBundle:Disease',
'placeholder' => '',
'choices' => $diseases,
));
};
$builder->addEventListener(
FormEvents::PRE_SET_DATA,
function (FormEvent $event) use ($formModifier) {
$data = $event->getData();
$formModifier($event->getForm(), $data->getClient());
}
);
$builder->get('client')->addEventListener(
FormEvents::POST_SUBMIT,
function (FormEvent $event) use ($formModifier) {
$client = $event->getForm()->getData();
$formModifier($event->getForm()->getParent(), $client);
}
);
}
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults(array(
'data_class' => 'System\AdminBundle\Entity\Appointment'
));
}
}
public function newAction(Request $request)
{
$appointment = new Appointment();
$form = $this->createForm(AppointmentType::class, $appointment);
$form->handleRequest($request);
if ($form->isSubmitted() && $form->isValid()) {
$data = $request->request->get('appointment');
if(array_key_exists('name', $data)) {
$em = $this->getDoctrine()->getManager();
$em->persist($appointment);
$em->flush();
return $this->redirectToRoute('appointment_show', array('id' => $appointment->getId()));
}
}
return $this->render('appointment/new.html.twig', array(
'appointment' => $appointment,
'form' => $form->createView(),
));
}
public function editAction(Request $request, Appointment $appointment)
{
$deleteForm = $this->createDeleteForm($appointment);
$appointment = new Appointment();
$editForm = $this->createForm('System\AdminBundle\Form\AppointmentType', $appointment);
$editForm->handleRequest($request);
if ($editForm->isSubmitted() && $editForm->isValid()) {
$data = $request->request->get('appointment');
if(array_key_exists('name', $data)) {
$em = $this->getDoctrine()->getManager();
$em->persist($appointment);
$em->flush();
return $this->redirectToRoute('appointment_show', array('id' => $appointment->getId()));
}
return $this->redirectToRoute('appointment_edit', array('id' => $appointment->getId()));
}
return $this->render('appointment/edit.html.twig', array(
'appointment' => $appointment,
'edit_form' => $editForm->createView(),
'delete_form' => $deleteForm->createView(),
));
}
{% block content %}
{{ form_start(form) }}
{{ form_widget(form) }}
{{ form_end(form) }}
window.onload = function() {
var $sport = $('#appointment_client');
$sport.change(function() {
var $form = $(this).closest('form');
var data = {};
data[$sport.attr('name')] = $sport.val();
data['appointment[_token]'] = $('#appointment__token').val();
$.ajax({
url : $form.attr('action'),
type: $form.attr('method'),
data : data,
success: function(html) {
$('#appointment_disease').replaceWith(
$(html).find('#appointment_disease')
);
}
});
});
};
{% endblock %}
{% block content %}
{{ form_start(edit_form) }}
{{ form_widget(edit_form) }}
{{ form_end(edit_form) }}
window.onload = function() {
var $sport = $('#appointment_client');
$sport.change(function() {
var $form = $(this).closest('form');
var data = {};
data[$sport.attr('name')] = $sport.val();
data['appointment[_token]'] = $('#appointment__token').val();
$.ajax({
url : $form.attr('action'),
type: $form.attr('method'),
data : data,
success: function(html) {
$('#appointment_disease').replaceWith(
$(html).find('#appointment_disease')
);
}
});
});
};
{% endblock %}
$appointment = new Appointment();
// ...
$em->persist($appointment);