小编Nol*_*ill的帖子

目前,我有文章和标签表.我试图自动填充"标签"表单元素作为文章表单上的选择框.从数据库表中设置标签选择框的值选项的最佳方法是什么,然后让文章在"绑定"方法调用期间自动绑定标签数据？

Article.php

<?php
// Article class
class Article {
    /**
     * 
     * @var \Doctrine\Common\Collections\Collection|Tag[]
     * 
     * @ORM\ManyToMany(targetEntity="Tag", inversedBy="articles")
     * @Orm\JoinTable(name="rel_article_tag", joinColumns={@ORM\JoinColumn(name="article_id", referencedColumnName="article_id")}, inverseJoinColumns={@ORM\JoinColumn(name="tag_id", referencedColumnName="tag_id")})
     * 
     * @Form\Required(false)
     * @Form\Type("Zend\Form\Element\Select")
     * @Form\Options({"label":"Tags: ")
     * @Form\Attributes({"id":"tags", "data-placeholder":"Choose tags...", "multiple" : "multiple", "class" : "chosen-select"})
     */
    private $tags;

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

    public function getTags()
    {
        return $this->tags;
    }

    public function addTags($tags)
    {
        $this->tags = $tags;
    }

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

ArticleController.php …