symfony2，doctrine2，类继承

我正在玩一些学说和symfony，我遇到了这个模型的问题 . 我设置了一个基类（实体），然后是一个子类（实体），到目前为止，一切顺利，之后我想在我的表中添加更多字段，我使用了doctrine：generate：entities BundleName . 这就是问题所在 . 如果我没有将变量从基类设置为受保护的symfony / doctrine说它无法访问该变量，但如果我将其设置为protected并再次生成实体，则会在我的子类中为基类创建受保护变量的getter和setter . 我发现它很奇怪，所以我用谷歌搜索了一点但我只发现了一个关于这个问题的话题并且没有答案 . Base Class设置了注释MappedSuperclass但是..对它没有任何影响 .

实现AdvancedUserInterface的基类

<?php
namespace AppBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Security\Core\User\AdvancedUserInterface;

/**
 * @ORM\MappedSuperclass
 */
class BaseUser implements AdvancedUserInterface
{
    /**
     * @var string
     * @ORM\Column(name="username", type="string", length=255, nullable=true)
     */
    protected $username;

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

    /**
     * @var bool
     * @ORM\Column(name="isActive", type="boolean")
     */
    protected $isActive = '0';

    /**
     * [$isAccountNonExpired description].
     *
     * @var bool
     * @ORM\Column(name="isAccountNonExpired", type="boolean")
     */
    protected $isAccountNonExpired = '1';

    /**
     * [$isAccountNonLocked description].
     *
     * @var bool
     * @ORM\Column(name="isAccountNonLocked", type="boolean")
     */
    protected $isAccountNonLocked = '0';

    /**
     * [$isCredentialsNonExpired description].
     *
     * @var bool
     * @ORM\Column(name="isCredentialsNonExpired", type="boolean")
     */
    protected $isCredentialsNonExpired = '0';
    /**
     * Set password
     *
     * @param string $password
     * @return User
     */
    public function setPassword($password)
    {
        $this->password = $password;

        return $this;
    }

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

    /**
     * Set username
     *
     * @param string $username
     * @return User
     */
    public function setUsername($username)
    {
        $this->username = $username;

        return $this;
    }

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

    /**
     * USER INTERFACE IMPLEMENTATION.
     */
    public function getSalt()
    {
        // you *may* need a real salt depending on your encoder
        // see section on salt below
    }

    public function getRoles()
    {
        return array('ROLE_ADMIN');
    }

    public function eraseCredentials()
    {
        return $this->plainPassword = null;
    }

    /**
     * ADVANCED USER INTERFACE IMPLEMENTATION.
     */

    /**
     * Checks whether the user's account has expired.
     *
     * Internally, if this method returns false, the authentication system
     * will throw an AccountExpiredException and prevent login.
     *
     * @return bool true if the user's account is non expired, false otherwise
     *
     * @see AccountExpiredException
     */
    public function isAccountNonExpired()
    {
        return $this->isAccountNonExpired;
    }

    /**
     * Checks whether the user is locked.
     *
     * Internally, if this method returns false, the authentication system
     * will throw a LockedException and prevent login.
     *
     * @return bool true if the user is not locked, false otherwise
     *
     * @see LockedException
     */
    public function isAccountNonLocked()
    {
        return $this->isAccountNonLocked;
    }

    /**
     * Checks whether the user's credentials (password) has expired.
     *
     * Internally, if this method returns false, the authentication system
     * will throw a CredentialsExpiredException and prevent login.
     *
     * @return bool true if the user's credentials are non expired, false otherwise
     *
     * @see CredentialsExpiredException
     */
    public function isCredentialsNonExpired()
    {
        return $this->isCredentialsNonExpired;
    }

    /**
     * Checks whether the user is enabled.
     *
     * Internally, if this method returns false, the authentication system
     * will throw a DisabledException and prevent login.
     *
     * @return bool true if the user is enabled, false otherwise
     *
     * @see DisabledException
     */
    public function isEnabled()
    {
        return $this->isActive;
    }

    /**
     * Set isActive
     *
     * @param boolean $isActive
     * @return BaseUser
     */
    public function setIsActive($isActive)
    {
        $this->isActive = $isActive;

        return $this;
    }

    /**
     * Get isActive
     *
     * @return boolean
     */
    public function getIsActive()
    {
        return $this->isActive;
    }

    /**
     * Set isAccountNonExpired
     *
     * @param boolean $isAccountNonExpired
     * @return BaseUser
     */
    public function setIsAccountNonExpired($isAccountNonExpired)
    {
        $this->isAccountNonExpired = $isAccountNonExpired;

        return $this;
    }

    /**
     * Get isAccountNonExpired
     *
     * @return boolean
     */
    public function getIsAccountNonExpired()
    {
        return $this->isAccountNonExpired;
    }

    /**
     * Set isAccountNonLocked
     *
     * @param boolean $isAccountNonLocked
     * @return BaseUser
     */
    public function setIsAccountNonLocked($isAccountNonLocked)
    {
        $this->isAccountNonLocked = $isAccountNonLocked;

        return $this;
    }

    /**
     * Get isAccountNonLocked
     *
     * @return boolean
     */
    public function getIsAccountNonLocked()
    {
        return $this->isAccountNonLocked;
    }

    /**
     * Set isCredentialsNonExpired
     *
     * @param boolean $isCredentialsNonExpired
     * @return BaseUser
     */
    public function setIsCredentialsNonExpired($isCredentialsNonExpired)
    {
        $this->isCredentialsNonExpired = $isCredentialsNonExpired;

        return $this;
    }

    /**
     * Get isCredentialsNonExpired
     *
     * @return boolean
     */
    public function getIsCredentialsNonExpired()
    {
        return $this->isCredentialsNonExpired;
    }
}

和孩子班

<?php

namespace AppBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
use Symfony\Component\Security\Core\User\AdvancedUserInterface;
use Gedmo\Mapping\Annotation as Gedmo;
use AppBundle\Entity\BaseUser;

/**
 * User
 *
 * @ORM\Table()
 * @ORM\Entity(repositoryClass="Zenith\UserBundle\Entity\UserRepository")
 * @UniqueEntity(fields="email", message="Email already taken")
 * @UniqueEntity(fields="username", message="Username already taken")
 */
class User extends BaseUser
{
    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;

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

    /**
     * @var  string
     * @Assert\NotBlank()
     * @Assert\Length(max = 4096)
     */
    protected $plainPassword;

    /**
     * Date when the user needs to change his password
     * for security reasons.
     *
     * @var datetime
     *
     * @ORM\Column(name="credentialsExpireAt", type="datetime", nullable=true)
     */
    private $credentialsExpireAt;

    /**
     * Date when the account expires
     * This can be used for temporary accounts.
     *
     * @var datetime
     *
     * @ORM\Column(name="accountExpireAt", type="datetime", nullable=true)
     */
    private $accountExpireAt;

    /**
     * Saves last login date of the user.
     *
     * @var datetime
     * @ORM\Column(name="lastLogin", type="datetime", nullable=true)
     */
    private $lastLogin;

    /**
     *
     *
     * @ORM\Column(name="createdAt", type="datetime")
     * @Gedmo\Timestampable(on="create")
     *
     * @var datetime
     */
    private $createdAt;

    /**
     * @ORM\Column(name="editedAt", type="datetime")
     * @Gedmo\Timestampable(on="update")
     *
     * @var datetime
     */
    private $editedAt;

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

    /**
     * Set email
     *
     * @param string $email
     * @return User
     */
    public function setEmail($email)
    {
        $this->email = $email;

        return $this;
    }

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

    /**
     * Set credentialsExpireAt
     *
     * @param \DateTime $credentialsExpireAt
     * @return User
     */
    public function setCredentialsExpireAt($credentialsExpireAt)
    {
        $this->credentialsExpireAt = $credentialsExpireAt;

        return $this;
    }

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

    /**
     * Set accountExpireAt
     *
     * @param \DateTime $accountExpireAt
     * @return User
     */
    public function setAccountExpireAt($accountExpireAt)
    {
        $this->accountExpireAt = $accountExpireAt;

        return $this;
    }

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

    /**
     * Set lastLogin
     *
     * @param \DateTime $lastLogin
     * @return User
     */
    public function setLastLogin($lastLogin)
    {
        $this->lastLogin = $lastLogin;

        return $this;
    }

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

    /**
     * Set createdAt
     *
     * @param \DateTime $createdAt
     * @return User
     */
    public function setCreatedAt($createdAt)
    {
        $this->createdAt = $createdAt;

        return $this;
    }

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

    /**
     * Set editedAt
     *
     * @param \DateTime $editedAt
     * @return User
     */
    public function setEditedAt($editedAt)
    {
        $this->editedAt = $editedAt;

        return $this;
    }

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

}