Php Can';t从表单类型中的查询生成器函数访问全局变量
我正在尝试将参数设置为表单类型中的查询生成器。我想将Php Can';t从表单类型中的查询生成器函数访问全局变量,php,symfony,doctrine-orm,symfony-forms,query-builder,Php,Symfony,Doctrine Orm,Symfony Forms,Query Builder,我正在尝试将参数设置为表单类型中的查询生成器。我想将impact变量设置为表单字段查询生成器。我从表单选项中获得impact public function buildForm(FormBuilderInterface $builder, array $options) { $builder->add('title'); $parentPage = $options["parentPage"]; $impact = $options["impact"];
impact
变量设置为表单字段查询生成器。我从表单选项中获得impact
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->add('title');
$parentPage = $options["parentPage"];
$impact = $options["impact"];
if($parentPage != null){
$builder->add('parent', 'entity', array(
'class' => "CoreBundle:Page",
'choices' => array($parentPage)
));
}else{
$builder->add('parent', 'entity', array(
'class' => "CoreBundle:Page",
'query_builder' => function(PageRepository $pr){
$qb = $pr->createQueryBuilder('p');
$qb->where("p.fullPath NOT LIKE '/deleted%'");
$qb->andWhere('p.impact = :impact')
->setParameter('impact', $impact); <-'Undefined variable $impact'
return $qb;
},
));
}
public function buildForm(formbuilder接口$builder,数组$options)
{
$builder->add('title');
$parentPage=$options[“parentPage”];
$impact=$options[“impact”];
如果($parentPage!=null){
$builder->add('parent','entity',数组(
'class'=>“CoreBundle:第页”,
“选项”=>array($parentPage)
));
}否则{
$builder->add('parent','entity',数组(
'class'=>“CoreBundle:第页”,
“查询生成器”=>函数(PageRepository$pr){
$qb=$pr->createQueryBuilder('p');
$qb->where(“p.fullPath不象'/deleted%');
$qb->andWhere('p.impact=:impact')
->setParameter('impact',$impact);听起来好像您没有将参数传递到表单生成器中。
如果您在buildForm
函数中dump($options)
,您看到它们被传递了吗
要在选项中添加自定义值,您的表单类型应如下所示
<?php
// src/AppBundle/Form/Enitiy/PageType.php
namespace AppBundle\Form\Entity;
use Symfony\Component\Form\AbstractType,
Symfony\Component\Form\FormBuilderInterface,
Symfony\Component\OptionsResolver\OptionsResolver;
class PageType extends AbstractType
{
/**
* @param FormBuilderInterface $builder
* @param array $options
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->add('title');
// ...
}
/**
* @param OptionsResolver $resolver
*/
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults(array(
'data_class' => 'AppBundle\Entity\Page',
'parentPage' => false,
'impact' => false
));
}
/**
* @return string
*/
public function getName()
{
return 'appbundle_page;
}
}
问题在于,您需要显式指定传递给闭包的变量(即查询构建器函数):
$builder->add('parent','entity',array(
'class'=>“CoreBundle:第页”,
'query_builder'=>函数(PageRepository$pr)使用($impact){//ADD
$qb=$pr->createQueryBuilder('p');
$qb->where(“p.fullPath不象'/deleted%');
$qb->andWhere('p.impact=:impact')
->setParameter('impact',$impact);
$form = $this->createForm(new PageType(), $page, [
'parentPage' => 'foo',
'impact' => 'bar'
]);
$builder->add('parent', 'entity', array(
'class' => "CoreBundle:Page",
'query_builder' => function(PageRepository $pr) use ($impact) { // ADD
$qb = $pr->createQueryBuilder('p');
$qb->where("p.fullPath NOT LIKE '/deleted%'");
$qb->andWhere('p.impact = :impact')
->setParameter('impact', $impact); <-'Undefined variable $impact'
return $qb;
},
));