symfony2学说如何在持久化后更新OneToMany实体 - symfony2 doctrine how to update OneToMany entities after persist?

我得到了这两个实体。这是第一个有OneToMany关联的：

class MarketMain
{
    /**
     * @var integer
     *
     * @ORM'Column(name="id", type="bigint", nullable=false)
     * @ORM'Id
     * @ORM'GeneratedValue(strategy="IDENTITY")
     */
    private $id;
    /**
     * @var 'Doctrine'Common'Collections'Collection
     *
     * @ORM'OneToMany(targetEntity="'Acme'CMSBundle'Entity'MarketLanguage", mappedBy="marketMain", indexBy="langId", cascade="all", orphanRemoval=true, fetch="EXTRA_LAZY")
     */
    private $marketLanguage;
}

这是第二个有最反ManyToOne相关的：

class MarketLanguage
{
    /**
     * @var integer
     *
     * @ORM'Column(name="market_id", type="integer", nullable=false)
     * @ORM'Id
     * @ORM'GeneratedValue(strategy="NONE")
     */
    private $marketId = 0;
    /**
     * @var integer
     *
     * @ORM'Id
     * @ORM'Column(name="lang_id", type="integer", nullable=false)
     */
    private $langId = 1;
    /**
     * @var string
     *
     * @ORM'Column(name="name", type="string", length=200, nullable=true)
     */
    private $name;
    /**
     * @var 'Acme'CMSBundle'Entity'MarketMain
     *
     * @ORM'ManyToOne(targetEntity="'Acme'CMSBundle'Entity'MarketMain", inversedBy="marketLanguage")
     * @ORM'JoinColumn(name="market_id", referencedColumnName="id")
     */
    private $marketMain;
}

我想保存这样的实体：

$em = $this->getDoctrine()->getManager();
$marketMain = new MarketMain();
$marketLanguage = new ArrayCollection();
$marketLanguage->set(1,new MarketLanguage());
$marketLanguage->set(2,new MarketLanguage());
$marketLanguage->set(3,new MarketLanguage());
$marketMain->setMarketLanguage($marketLanguage);
foreach ($marketMain->getMarketLanguage() as $market_language)
{
$market_language->setMarketMain($marketMain);
}
$em->persist($marketMain);
$em->flush();
foreach ($marketMain->getMarketLanguage() as $market_language)
{
   $market_language->setName("Default name for MarketMain entity id:".$marketMain->getId());
}
$em->flush();

但在第二次刷新后，我的MarketLanguage实体没有更新，在原则查询日志中，我看到MarketLanguage实体在与MarketMain持久化后没有关系。请不要说我必须在持久化之前设置MarketLanguage名称，因为我必须向该名称添加刷新ID。

这是在第二次刷新中执行更新的查询（来自条令日志）：

"START TRANSACTION" [] []
UPDATE market_language SET name = ? WHERE market_id = ? AND lang_id = ? ["Default name for MarketMain entity 15",0,"1"] []
"COMMIT" [] []

看起来问题是由于MarketLanguage ID已修复，原因是：

private $marketId = 0;

请在没有= 0 的情况下重试

编辑：由于您使用"NONE"ID生成策略，因此必须手动为MarketLanguage实体分配ID。参见文档

$marketMain=new marketMain（）；您正在创建新实例，因此

$marketMain->getMarketLanguage()

将返回空数组，也许您应该从数据库中查询所有MarketLanguages，然后将它们分配给MarketMain？

$langs = $em->getRepositiory('Bundle:MarketLanguage')->findAll()
foreach ($langs as $market_language)
  {
     $market_language->setMarketMain($marketMain);
  }
$em->persist($marketMain);
$em->flush();

编辑：

所以试试这个：

$ml1 = new MarketLanguage();
$ml2 = new MarketLanguage();
$ml3 = new MarketLanguage();
$marketLanguage->set(1,$ml1);
$marketLanguage->set(2,$ml2);
$marketLanguage->set(3,$ml3);
$marketMain->setMarketLanguage($marketLanguage);
foreach ($marketMain->getMarketLanguage() as $market_language)
{
$market_language->setMarketMain($marketMain);
}
$em->persist($marketMain);
$em->persist($ml1);
$em->persist($ml2);
$em->persist($ml3);
$em->flush();