Php Doctrine2-表中未插入与OneToMany相关的外键(
我对doctrine2有一个问题,即两个模型之间的简单关系 下面我准备了一个简单的例子Php Doctrine2-表中未插入与OneToMany相关的外键(,php,sql,doctrine-orm,Php,Sql,Doctrine Orm,我对doctrine2有一个问题,即两个模型之间的简单关系 下面我准备了一个简单的例子 /** * @Entity(repositoryClass="PlayerRepository") @Table(name="players") */ class Player { /** * @Id @Column(type="integer") @GeneratedValue */ protected $id; /** * @OneToMany(targetEntity="Wallet", m
/**
* @Entity(repositoryClass="PlayerRepository") @Table(name="players")
*/
class Player {
/**
* @Id @Column(type="integer") @GeneratedValue
*/
protected $id;
/**
* @OneToMany(targetEntity="Wallet", mappedBy="player", cascade={"persist"})
* @var Wallet[]
*/
private $wallets;
public function __construct() {
$this->wallets = new ArrayCollection();
}
public function getId() {
return $this->id;
}
public function setId($id) {
$this->id = $id;
}
public function getWallets() {
return $this->wallets;
}
public function addWallets($wallets) {
$this->wallets[] = $wallets;
}
}
二等舱
/**
* @Entity(repositoryClass="WalletRepository") @Table(name="wallets")
*/
class Wallet
{
/**
* @Id @Column(type="integer") @GeneratedValue
*/
protected $id;
/**
* @ManyToOne(targetEntity="Player", inversedBy="wallets")
*/
private $player;
public function getId() {
return $this->id;
}
public function setId($id) {
$this->id = $id;
}
public function getPlayer() {
return $this->player;
}
public function setPlayer($player) {
$this->player = $player;
}
}
对于以下代码执行,我无法将玩家对象关系添加到Wallet:
player = new Player();
$player->addWallets(new Wallet);
$player->addWallets(new Wallet);
$entityManager->persist($player);
$entityManager->flush();
也许在所附图片中可以更好地看到:
据我所知,您必须在钱包上设置此选项,在这种情况下,请尝试一下:
$player = new Player();
$wallet = new Wallet();
$wallet->setPlayer($player);
$entityManager->persist($player);
$entityManager->persist($wallet);
$entityManager->flush();
好的,但是一个想把很多钱包分配给一个玩家的人,通过玩家方法AddWallet,而且关系是双向的,我不认为这不起作用,正如我在我的回答中链接的那篇文章所写:双向关联的拥有方是“看”的边原则确定关联状态时,以及因此确定是否要更新数据库中的关联。