Symfony 语义错误作为约束

Question

输入此命令后 (php app/console generate:doctrine:entities CoreBundle:Post ) 通过终端出现以下错误，我该如何解决？

[Doctrine\Common\Annotations\AnnotationException]
[语义错误] 注释 属性中的“@Symfony\Component\Validator\Constraints” Blog\CoreBundle\Entity\Post::$body 不存在，或不能存在 自动加载。

源代码：

namespace Blog\CoreBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;

/**
 * Post
 *
 * @ORM\Table()
 * @ORM\Entity
 */
class Post extends Timestamp
{
/**
 * @var integer
 *
 * @ORM\Column(name="id", type="integer")
 * @ORM\Id
 * @ORM\GeneratedValue(strategy="AUTO")
 */
private $id;

/**
 * @var string
 *
 * @ORM\Column(name="title", type="string", length=255)
 */
private $title;

/**
 * @var string
 *
 * @ORM\Column(name="body", type="text")
 *
 * @Assert|NotBlank
 */
private $body;


/**
 * @var Author
 *
 * @ORM\ManyToOne(targetEntity="Author", inversedBy="posts")
 * @ORM\JoinColumn(name="author_id", referecedColumnName="id", nullable=false)
 */
protected  $author;


/**
 * Get id
 *
 * @return integer 
 */
public function getId()
{
    return $this->id;
}

/**
 * Set title
 *
 * @param string $title
 * @return Post
 */
public function setTitle($title)
{
    $this->title = $title;

    return $this;
}

/**
 * Get title
 *
 * @return string 
 */
public function getTitle()
{
    return $this->title;
}

/**
 * Set body
 *
 * @param string $body
 * @return Post
 */
public function setBody($body)
{
    $this->body = $body;

    return $this;
}

/**
 * Get body
 *
 * @return string 
 */
public function getBody()
{
    return $this->body;
}

}

Answer 1

我认为您在$body 属性的@Assert 注释中有错字。您使用的是管道符号 | 而不是反斜杠 \。