我正在使用Symfony 2.5和PHP 5.3进行AdvertPlatform。
我想添加一项功能：当用户看到（通过点击它）广告时，我们可以看到文字"Seen by : {{username}}"。
我开始在AdvertReader和Advert之间添加一个新的实体nammed AdvertReader，其关系为OneToMany：
Advert.php：
/**
* Advert
*
* @ORM\Table()
* @ORM\Entity(repositoryClass="Society\PerfclientBundle\Entity\AdvertRepository")
* @ORM\HasLifecycleCallbacks()
* @UniqueEntity(fields="title", message="Une annonce existe déjà avec ce titre.")
*/
class Advert
{
public function __construct()
{
$this->date = new \Datetime();
}
/**
*
* @ORM\OneToMany(targetEntity="Society\PerfclientBundle\Entity\AdvertReader", mappedBy="advert", cascade={"persist"})
*/
private $readers;
/**
* @var integer
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var \DateTime
*
* @ORM\Column(name="date", type="datetime")
*/
private $date;
/**
* @var string
*
* @ORM\Column(name="title", type="string", length=255, unique=true)
*
* @Assert\Length(min=10, minMessage="Le titre de l'annonce doit faire au moins {{ limit }} caractères.")
*/
private $title;
/**
* @var string
*
* @ORM\Column(name="category", type="string", length=255)
*/
private $category;
/**
* @var string
*
* @ORM\Column(name="author", type="string", length=255)
*/
private $author;
/**
* @var string
*
* @ORM\Column(name="content", type="text")
* @Assert\Length(min=10, minMessage="Le contenu de l'annonce doit faire au moins {{ limit }} caractères.")
*/
private $content;
/**
* @ORM\Column(name="updated_at", type="datetime", nullable=true)
*/
private $updatedAt;`
AdvertReader.php：
/**
* AdvertReader
*
* @ORM\Table()
* @ORM\Entity
*/
class AdvertReader
{
/**
* @var integer
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @ORM\ManyToOne(targetEntity="Society\PerfclientBundle\Entity\Advert", inversedBy="readers")
* @ORM\JoinColumn(name="advert_id", referencedColumnName="id")
*/
private $advert;
/**
* @var string
*
* @ORM\Column(name="username", type="string", length=255)
*/
private $username;
/**
* @var \DateTime
*
* @ORM\Column(name="created_at", type="datetime")
*/
private $createdAt;
/**
* @var \DateTime
*
* @ORM\Column(name="updated_at", type="datetime")
*/
private $updatedAt;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set advert
*
* @param integer $advert
* @return AdvertReader
*/
public function setAdvert($advert)
{
$this->advert = $advert;
return $this;
}
/**
* Get advert
*
* @return integer
*/
public function getAdvert()
{
return $this->advert;
}
/**
* Set username
*
* @param string $username
* @return AdvertReader
*/
public function setUsername($username)
{
$this->username = $username;
return $this;
}
/**
* Get username
*
* @return string
*/
public function getUsername()
{
return $this->username;
}
我的viewAction（）
/**
* @param $id
* @return Response
*/
public function viewAction($id)
{
// On récupère le repository
$repository = $this->getDoctrine()
->getManager()
->getRepository('SocietyPerfclientBundle:Advert')
;
$advert = $repository->find($id);
if (null === $advert) {
throw new NotFoundHttpException("L'annonce d'id ".$id." n'existe pas.");
}
$securityContext = $this->container->get('security.context');
$user = $securityContext->getToken()->getUser();
if ($securityContext->isGranted('IS_AUTHENTICATED_FULLY')) {
$em = $this->getDoctrine()->getManager();
$queryBuilder = $em->createQueryBuilder();
$query = $queryBuilder->select('count(ar.id)')
->from('SocietyPerfclientBundle:AdvertReader', 'ar')
->where('ar.advert = :advert')
->andWhere('ar.username = :username')
->setParameter('advert', $advert->getId())
->setParameter('username', $user->getUsername())
->getQuery();
$advertReaderCount = $query->getSingleScalarResult();
if ($advertReaderCount <= 0) {
// l'utilisateur lis pour la 1er fois
$advertReader = new AdvertReader;
$advertReader->setAdvert($advert->getId());
$advertReader->setUpdatedAt(new \DateTime);
$advertReader->setUsername($user->getUsername());
$advertReader->setCreatedAt(new \DateTime);
$em->persist($advertReader);
$em->flush();
}
}
return $this->render('SocietyPerfclientBundle:Default:view.html.twig', array(
'advert' => $advert,
));
}
doctrine：schema：validate - ＆gt; [Mapping] OK [数据库]确定
Error500 ORM异常：在Association \ PerfclientBundle \ Entity \ AdvertReader＃advert上找到类型的实体，但期望社会\ PerfclientBundle \ Entity \ Advert
堆栈跟踪分析器： UnitOfWork - ＆gt; computeAssociationChanges（数组（＆＃39; fieldName＆＃39; =＆gt;＆＃39;广告＆＃39;，＆＃39; joinColumns＆＃39; =＆gt;数组（数组（＆＃39;名称＆＃39; ; =＆gt;＆＃39; advert_id＆＃39;，＆＃39; unique＆＃39; =＆gt; false，＆＃39; nullable＆＃39; =＆gt; true，＆＃39; onDelete＆＃39; =＆gt; null，＆＃39; columnDefinition＆＃39; =＆gt; null，＆＃39; referencedColumnName＆＃39; =＆gt;＆＃39; id＆＃39;）），＆＃39; cascade＆＃39; =＆gt; array（ ），＆＃39; inversedBy＆＃39; =＆gt;＆＃39;读者＆＃39; targetEntity＆＃39; =＆gt;＆＃39;社会\ PerfclientBundle \ Entity \ Advert＆＃39;，＆＃ 39; fetch＆＃39; =＆gt;＆＃39; 2＆＃39;，＆＃39;输入＆＃39; =＆gt;＆＃39; 2＆＃39;，＆＃39; mappedBy＆＃39; =＆gt; null ，＆＃39; isOwningSide＆＃39; =＆gt; true，＆＃39; sourceEntity＆＃39; =＆gt;＆＃39; Society \ PerfclientBundle \ Entity \ AdvertReader＆＃39;，＆＃39; isCascadeRemove＆＃39; =＆gt; ; false，＆＃39; isCascadePersist＆＃39; =＆gt; false，＆＃39; isCascadeRefresh＆＃39; =＆gt; false，＆＃39; isCascadeMerge＆＃39; =＆gt; false，＆＃39; isCascadeDetach＆＃39; =＆gt; false，＆＃39; sourceToTargetKeyColumns＆＃39; =＆gt;数组（＆＃39; advert_id＆＃39; =＆GT; ＆＃39; id＆＃39;），＆＃39; joinColumnFieldNames＆＃39; =＆GT;数组（＆＃39; advert_id＆＃39; =＆gt;＆＃39; advert_id＆＃39;），＆＃39; targetToSourceKeyColumns＆＃39; =＆GT;数组（＆＃39; id＆＃39; =＆gt;＆＃39; advert_id＆＃39;），＆＃39; orphanRemoval＆＃39; =＆GT; false），＆＃39; 26＆＃39;）
我的实体关系出了什么问题？ 请帮帮我:)。
答案 0 :(得分：2)
我认为问题来自这段代码
$advertReader->setAdvert($advert->getId());
请改为尝试：
$advertReader->setAdvert($advert);
Doctrine期望在该关系上有一个对象，而是传递一些整数。
希望这会有所帮助。快乐的编码
Alexandru Cosoi