我想知道如何将表单Combobox字段的默认值设置为Symfony2中数据库中的值。解释如下：
这是我正在处理的实体的代码：
<?php
namespace Ikproj\HomeBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* User
*
* @ORM\Table(name="user")
* @ORM\Entity(repositoryClass="Ikproj\HomeBundle\Entity\UserRepository")
*/
class User
{
/**
* @var integer
*
* @ORM\Column(name="id_user", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var string
*
* @ORM\Column(name="name", type="string", length=255)
*/
private $name;
/**
* @var string
*
* @ORM\Column(name="username", type="string", length=255)
*/
private $email;
/**
* @var string
*
* @ORM\Column(name="pseudo", type="string", length=255)
*/
private $pseudo;
/**
* @var string
*
* @ORM\Column(name="password", type="string", length=255)
*/
private $passWD;
/**
* @var string
*
* @ORM\Column(name="sexeuser", type="string", length=255)
*/
private $sexeuser;
/**
* @var \DateTime
*
* @ORM\Column(name="dateanniv", type="date")
*/
private $dateanniv;
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set name
*
* @param string $name
* @return User
*/
public function setName($name)
{
$this->name = $name;
return $this;
}
/**
* Get name
*
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* 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 pseudo
*
* @param string $pseudo
* @return User
*/
public function setPseudo($pseudo)
{
$this->pseudo = $pseudo;
return $this;
}
/**
* Get pseudo
*
* @return string
*/
public function getPseudo()
{
return $this->pseudo;
}
/**
* Set passWD
*
* @param string $passWD
* @return User
*/
public function setPassWD($passWD)
{
$this->passWD = $passWD;
return $this;
}
/**
* Get passWD
*
* @return string
*/
public function getPassWD()
{
return $this->passWD;
}
/**
* Set sexeuser
*
* @param string $sexeuser
* @return User
*/
public function setSexeuser($sexeuser)
{
$this->sexeuser = $sexeuser;
return $this;
}
/**
* Get sexeuser
*
* @return string
*/
public function getSexeuser()
{
return $this->sexeuser;
}
/**
* Set dateanniv
*
* @param \DateTime $dateanniv
* @return User
*/
public function setDateanniv($dateanniv)
{
$this->dateanniv = $dateanniv;
return $this;
}
/**
* Get dateanniv
*
* @return \DateTime
*/
public function getDateanniv()
{
return $this->dateanniv;
}
}
这是属于上述实体的表格的代码：
<?php
namespace Ikproj\HomeBundle\Form;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;
class UserprofilechangeType extends AbstractType
{
/**
* @param FormBuilderInterface $builder
* @param array $options
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->add('name','text')
->add('sexeuser', 'choice', array('choices' => array('Homme' => 'Homme', 'Femme' => 'Femme')))
->add('dateanniv','date', array('input' => 'datetime','format' => 'yyyy-MM-dd','years' => range(1900, date("Y"))));
}
/**
* @param OptionsResolverInterface $resolver
*/
public function setDefaultOptions(OptionsResolverInterface $resolver)
{
$resolver->setDefaults(array(
'data_class' => 'Ikproj\HomeBundle\Entity\User'
));
}
/**
* @return string
*/
public function getName()
{
return 'ikproj_homebundle_user';
}
}
这是视图html \ twig的代码：
<html>
<head>
<link rel="stylesheet" type="text/css" href="{{asset('bundles/ikprojhome/css2/css10.css')}}"/>
<script src='{{asset('bundles/ikprojhome/lib/jquery.min.js')}}'></script>
</head>
<body>
<center>
<div id="container">
<div id="header">
</div>
<div id="content">
<table width="100%" height="100%" align="center">
<tr>
<td>
<form action="{{path('ikproj_home_profilechange',{id:id})}}" method="POST" {{ form_enctype(form) }} onsubmit="javascript:parent.jQuery.fancybox.close();">
{{ form_errors(form) }}
<table align="center">
<tr>
<td class="separation">
<label>Nom:</label>
</td>
<td>
{{ form_widget(form.name) }}
</td>
</tr>
<tr height="20px"></tr>
<tr>
<td class="separation">
<label>Sexe:</label>
</td>
<td>
{{ form_widget(form.sexeuser) }}
</td>
</tr>
<tr height="20px"></tr>
<tr>
<td class="separation">
<label>Date de naissance:</label>
</td>
<td>
{{ form_widget(form.dateanniv) }}
</td>
</tr>
<tr>
<td colspan="2" align="center" id="button" valign="bottom">
<input class="button" type="submit" value="" id="update"/>
</td>
</tr>
</table>
{{form_widget(form._token)}}
</form>
</td>
</tr>
</table>
</div>
</div>
</center>
</body>
</html>
实际上，数据库中字段“sexeuser”的值（与上面实体的代码中的变量$sexeuser相关）是“Femme”，而当视图的页面是html \ twig时显示Combobox字段中显示的默认值为“Homme”。所以，我的问题是：如何将Combobox字段的默认值设置为数据库中的确切值？ （因此，默认值为“Femme”而非“Homme”）。
修改
这是控制器中的相关代码：
public function ProfileChangeAction($id, Request $request) {
$em = $this->getDoctrine()->getManager();
$profile1 = $em->getRepository('IkprojHomeBundle:User')->find($id);
$form = $this->createForm(new UserprofilechangeType(), $profile1);
$profile2 = $form->getData();
$form->handleRequest($request);
if ($request->isMethod('POST')) {
if ($form->isValid()) {
$em->persist($profile2);
$em->flush();
return $this->render('IkprojHomeBundle:configuration:profilechange.html.twig');
}
} else {
return $this->render('IkprojHomeBundle:configuration:profilechange.html.twig', array(
'id' => $id,
'form' => $form->createView()));
}
}
答案 0 :(得分：0)
最后，我解决了它，我刚刚在表单类中更改了以下行：
->add('sexeuser', 'choice', array('choices' => array('Homme' => 'Homme', 'Femme' => 'Femme')))
到这一个：
->add('sexeuser', 'choice', array('choices' => array('Homme' => 'Homme', 'Femme' => 'Femme'),'empty_value' => null))
实际上，正如您在上面所看到的，我添加了这部分代码：'empty_value' => null。