财产＆＃34;评论＆＃34;也没有一种方法存在，并且在课堂上有公共访问权限

时间：2018-01-14 16:50:20

标签： symfony orm

我目前正在使用Symfony 3构建博客 我有2个大班 文章 - ＆gt;我的博客文章

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  <h2>Muffin-Welt.de</h2>
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Commentaire_blog - ＆gt;随着我的博客评论。

<?php

namespace AppBundle\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * Article
 *
 * @ORM\Table(name="article")
 * @ORM\Entity(repositoryClass="AppBundle\Repository\ArticleRepository")
 */
class Article
{
    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;
/**
 * @var string
 *
 * @ORM\Column(name="Titre", type="text")
 */
private $titre;

/**
 * @var string
 *
 * @ORM\Column(name="article", type="text")
 */
private $article;

/**
 * @var \DateTime
 *
 * @ORM\Column(name="date_article", type="datetime")
 */
private $dateArticle;

/**
 * @ORM\OneToMany(targetEntity="Commentaire_blog", mappedBy="article")
 */
private $commentaires;


public function __construct($commentaires)
{
    $this->commentaires = $commentaires;
}

/**
 * @return mixed
 */
public function getCommentaires()
{
    return $this->commentaires;
}



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

/**
 * Set titre
 *
 * @param string $titre
 *
 * @return Article
 */
public function setTitre($titre)
{
    $this->titre = $titre;

    return $this;
}

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

/**
 * Set article
 *
 * @param string $article
 *
 * @return Article
 */
public function setArticle($article)
{
    $this->article = $article;

    return $this;
}

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

/**
 * Set dateArticle
 *
 * @param \DateTime $dateArticle
 *
 * @return Article
 */
public function setDateArticle($dateArticle)
{
    $this->dateArticle = $dateArticle;

    return $this;
}

/**
 * Get dateArticle
 *
 * @return \DateTime
 */
public function getDateArticle()
{
    return $this->dateArticle;
}


}

当我想要显示我的页面时，我有这个错误：

  

财产＆＃34;评论＆＃34;也不是其中一种方法＆＃34; getCommentaire（）＆＃34;，＆＃34; commentaire（）＆＃34;，＆＃34; isCommentaire（）＆＃34;，＆＃34; hasCommentaire（）＆＃ 34;，＆＃34; __ get（）＆＃34;在课堂上存在并拥有公共访问权限＃34; AppBundle \ Entity \ Commentaire_blog＆＃34;。

我不明白这个问题......所以如果有人能解释我会发生什么事情会很好。

Thanx很多

2 个答案:

答案 0 :(得分：1)

OneToMany关系必须是双向的，或使用official documentation

中所述的联接表
  

一对多关联必须是双向的，除非你是   使用连接表。这是因为在一对多的许多方面   协会拥有外键，使其成为拥有者。教义   需要定义多方才能理解这种关联。

这意味着您必须在ManyToOne上定义Commentaire_blog->commentaire关系，或使用here所述的联接表将Article->commentaire声明为ManyToMany关系

/**
 * @ORM\ManyToMany(targetEntity="Commentaire_blog")
 * @JoinTable(name="articles_commentaireblogs",
 *      joinColumns={@JoinColumn(name="article_id", referencedColumnName="id")},
 *      inverseJoinColumns={@JoinColumn(name="commentaire_blog_id", referencedColumnName="id", unique=true)}
 */
private $commentaires;

答案 1 :(得分：0)

将这两种方法添加到一个结束类Article：

/**
 * Add a Commentaire_blog to this Article
 *
 * @param \AppBundle\Entity\Commentaire_blog $commentaireBlog
 */
public function addCommentaire(Commentaire_blog $commentaireBlog)
{
    if (!$this->commentaires->contains($commentaireBlog)) {
        $this->commentaires->add($commentaireBlog);
    }
}

/**
 * Remove, if exists, a Commentaire_blog from this Article
 *
 * @param \AppBundle\Entity\Commentaire_blog $commentaireBlog
 */
public function removeCommentaire(Commentaire_blog $commentaireBlog)
{
    if ($this->commentaires->contains($commentaireBlog)) {
        $this->commentaires->removeElement($commentaireBlog);
    }
}

我建议你编辑Article->commentaires属性，以允许Article班级创建，删除和编辑与之相关的评论：

/**
 * @ORM\OneToMany(targetEntity="Commentaire_blog", mappedBy="article",
 *     cascade={"persist", "remove", "merge"}
 * )
 */
private $commentaires;

修改

尝试将此方法添加到Article类。别忘了添加上面的方法，意识到我已经改变了上面方法的名称。

/**
 * Get a Commentaire_blog of this Article
 *
 * @param \AppBundle\Entity\Commentaire_blog $commentaireBlog
 */
public function GetCommentaire(Commentaire_blog $commentaireBlog)
{
    if (!$this->commentaires->contains($commentaireBlog)) {
        return $this->commentaires->get($commentaireBlog);
    }
}
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