小编M P*_*tel的帖子

如何设置symfony 2的固定装置为多对多关系,以下2个实体由命令行组成,然后为多对多关系添加一些行

实体1:博客类

<?php

namespace Acme\MainBundle\Entity;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\ORM\Mapping as ORM;

/**
 * Blog
 *
 * @ORM\Table()
 * @ORM\Entity(repositoryClass="Acme\MainBundle\Entity\BlogRepository")
*/
 class Blog {

/**
 * @var integer
 *
 * @ORM\Column(name="id", type="integer")
 * @ORM\Id
 * @ORM\GeneratedValue(strategy="AUTO")
 */
private $id;

/**
 * @ORM\ManyToMany(targetEntity="tag", inversedBy="blogs")
 * @ORM\JoinTable(name="blog_tag",
 *      joinColumns={@ORM\JoinColumn(name="blog_id", referencedColumnName="id")},
 *      inverseJoinColumns={@ORM\JoinColumn(name="tag_id", referencedColumnName="id")}
 *      )
 **/
protected $tags;

public function __construct()
{
    $this->tags = new ArrayCollection();
}


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

/**
 * @var …