我正在处理一个项目，我在ManyToMany协会中被阻止。我有一个名为Devis的实体（在引用中引用）和一个名为articles的实体。问题是，当我想要显示特定报价的文章时，它不起作用。
这是Devis实体：
<?php
namespace DevisBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* Devis
*
* @ORM\Table(name="devis")
* @ORM\Entity(repositoryClass="DevisBundle\Repository\DevisRepository")
*/
class Devis {
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
//les relations
/**
* @ORM\ManyToOne(targetEntity="UserBundle\Entity\User", inversedBy="devis_user", cascade={"persist"})
* @ORM\JoinColumn(name="user_id", referencedColumnName="id")
*/
private $user;
/**
* @ORM\ManyToOne(targetEntity="UserBundle\Entity\User", inversedBy="devis_enterprise")
* @ORM\JoinColumn(name="enterprise_id", referencedColumnName="id")
*/
private $enterprise;
/**
* @ORM\ManyToMany(targetEntity="ArticleBundle\Entity\Article", mappedBy="devis")
*/
private $articles;
public function __construct() {
$this->articles = new \Doctrine\Common\Collections\ArrayCollection();
}
/**
* Get id
*
* @return integer
*/
public function getId() {
return $this->id;
}
/**
* Set user
*
* @param \UserBundle\Entity\User $user
* @return Devis
*/
public function setUser(\UserBundle\Entity\User $user = null) {
$this->user = $user;
return $this;
}
/**
* Get user
*
* @return \UserBundle\Entity\User
*/
public function getUser() {
return $this->user;
}
/**
* Set enterprise
*
* @param \UserBundle\Entity\User $enterprise
* @return Devis
*/
public function setEnterprise(\UserBundle\Entity\User $enterprise = null) {
$this->enterprise = $enterprise;
return $this;
}
/**
* Get enterprise
*
* @return \UserBundle\Entity\User
*/
public function getEnterprise() {
return $this->enterprise;
}
/**
* Add articles
*
* @param \ArticleBundle\Entity\Article $articles
* @return Devis
*/
public function addArticle(\ArticleBundle\Entity\Article $article) {
$article->addDevi($this);
$this->articles[] = $article;
return $this;
}
/**
* Remove articles
*
* @param \ArticleBundle\Entity\Article $articles
*/
public function removeArticle(\ArticleBundle\Entity\Article $articles) {
$this->articles->removeElement($articles);
}
/**
* Get articles
*
* @return \Doctrine\Common\Collections\Collection
*/
public function getArticles() {
return $this->articles;
}
}
文章实体
<?php
namespace ArticleBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* Article
*
* @ORM\Table(name="article")
* @ORM\Entity(repositoryClass="ArticleBundle\Repository\ArticleRepository")
*/
class Article
{
/**
* @var int
*
* @ORM\Column(name="id", type="integer")
* @ORM\Id
* @ORM\GeneratedValue(strategy="AUTO")
*/
private $id;
/**
* @var string
*
* @ORM\Column(name="name", type="string", length=255, nullable=true)
*/
private $name;
/**
* @var string
*
* @ORM\Column(name="description", type="string", length=255, nullable=true)
*/
private $description;
/**
* @var string
*
* @ORM\Column(name="prix", type="string", length=255, nullable=true)
*/
private $prix;
//les relations
/**
* @ORM\ManyToMany(targetEntity="DevisBundle\Entity\Devis", inversedBy="articles")
* @ORM\JoinTable(name="articles_devis")
*/
private $devis;
/**
* @ORM\ManyToOne(targetEntity="UserBundle\Entity\User", inversedBy="articles")
* @ORM\JoinColumn(name="utilisateur_id", referencedColumnName="id")
*/
private $entreprise;
/**
* @ORM\ManyToOne(targetEntity="CategoryBundle\Entity\Category", inversedBy="articles")
* @ORM\JoinColumn(name="category_id", referencedColumnName="id")
*/
private $category;
public function __construct() {
$this->devis = new \Doctrine\Common\Collections\ArrayCollection();
}
public function __toString() {
return $this->name;
}
/**
* Get id
*
* @return integer
*/
public function getId()
{
return $this->id;
}
/**
* Set name
*
* @param string $name
* @return Article
*/
public function setName($name)
{
$this->name = $name;
return $this;
}
/**
* Get name
*
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* Set description
*
* @param string $description
* @return Article
*/
public function setDescription($description)
{
$this->description = $description;
return $this;
}
/**
* Get description
*
* @return string
*/
public function getDescription()
{
return $this->description;
}
/**
* Set prix
*
* @param string $prix
* @return Article
*/
public function setPrix($prix)
{
$this->prix = $prix;
return $this;
}
/**
* Get prix
*
* @return string
*/
public function getPrix()
{
return $this->prix;
}
/**
* Set entreprise
*
* @param \UserBundle\Entity\User $entreprise
* @return Article
*/
public function setEntreprise(\UserBundle\Entity\User $entreprise = null)
{
$this->entreprise = $entreprise;
return $this;
}
/**
* Get entreprise
*
* @return \UserBundle\Entity\User
*/
public function getEntreprise()
{
return $this->entreprise;
}
/**
* Set category
*
* @param \CategoryBundle\Entity\Category $category
* @return Article
*/
public function setCategory(\CategoryBundle\Entity\Category $category = null)
{
$this->category = $category;
return $this;
}
/**
* Get category
*
* @return \CategoryBundle\Entity\Category
*/
public function getCategory()
{
return $this->category;
}
/**
* Add devis
*
* @param \DevisBundle\Entity\Devis $devis
* @return Article
*/
public function addDevi(\DevisBundle\Entity\Devis $devis)
{
$devis->addArticle($this);
$this->devis[] = $devis;
return $this;
}
/**
* Remove devis
*
* @param \DevisBundle\Entity\Devis $devis
*/
public function removeDevi(\DevisBundle\Entity\Devis $devis)
{
$this->devis->removeElement($devis);
}
/**
* Get devis
*
* @return \Doctrine\Common\Collections\Collection
*/
public function getDevis()
{
return $this->devis;
}
}
控制器
<?php
namespace DevisBundle\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
use Symfony\Component\HttpFoundation\RedirectResponse;
use DevisBundle\Entity\Devis;
use UserBundle\Entity\User;
class DevisController extends Controller {
/**
*
* @Route("/devis/{user_id}", name="devis")
* @Method("GET")
*/
public function devisAction($user_id) {
$em = $this->getDoctrine()->getManager();
$entreprise = new User();
$mes_devis = new Devis();
$enterprises = new \Doctrine\Common\Collections\ArrayCollection();
$user = $this->get('security.context')->getToken()->getUser();
$mes_devis = $em->getRepository('DevisBundle:Devis')->devisByUser($user_id);
$categories = $em->getRepository('CategoryBundle:Category')->findAll();
return $this->render('::FrontEnd/devis.html.twig', array(
'user' => $user,
'categories' => $categories,
'mes_devis' => $mes_devis,
));
}
}
Devis.html.twig
<div class="cart_main">
<h2>Mes devis ({{ mes_devis|length }})</h2>
{% for devis in mes_devis %}
<div class="container">
<div class="cart-items">
<h4>Entreprise : {{ devis.enterprise }}</h4>
<script>$(document).ready(function (c) {
$('.close1').on('click', function (c) {
$('.cart-header').fadeOut('slow', function (c) {
$('.cart-header').remove();
});
});
});
</script>
{% for article in mes_devis.articles %}
<div class="cart-header">
<div class="close1"> </div>
<div class="cart-sec">
<div class="cart-item cyc">
<img src="{{ asset ('bundles/theme_front_end/images/ts4.jpg') }}"/>
</div>
<div class="cart-item-info">
<h3>Mast & Harbour<span>Model No: 3578</span></h3>
<h4><span>Rs. $ </span>150.00</h4>
<p class="qty">Qty ::</p>
<input min="1" type="number" id="quantity" name="quantity" value="1" class="form-control input-small">
</div>
<div class="clearfix"></div>
<div class="delivery">
<p>Service Charges:: Rs.50.00</p>
</div>
</div>
</div>
<script>$(document).ready(function (c) {
$('.close2').on('click', function (c) {
$('.cart-header2').fadeOut('slow', function (c) {
$('.cart-header2').remove();
});
});
});
</script>
{% endfor %}
</div>
<div class="cart-total">
<a class="continue" href="#">Continue to basket</a>
<div class="price-details">
<h3>Price Details</h3>
<span>Total</span>
<span class="total">350.00</span>
<span>Discount</span>
<span class="total">---</span>
<span>Delivery Charges</span>
<span class="total">100.00</span>
<div class="clearfix"></div>
</div>
<h4 class="last-price">TOTAL</h4>
<span class="total final">450.00</span>
<div class="clearfix"></div>
<a class="order" href="#">Place Order</a>
<div class="total-item">
<h3>OPTIONS</h3>
<h4>COUPONS</h4>
<a class="cpns" href="#">Apply Coupons</a>
<p><a href="#">Log In</a> to use accounts - linked coupons</p>
</div>
</div>
</div>
<div class="clearfix"></div>
{% endfor %}
</div>
，错误是：
Key "articles" for array with keys "0, 1" does not exist in ::FrontEnd\devis.html.twig at line 35
当我var_dump($mes_devis)时，我得到了
array (size=2)
0 =>
object(DevisBundle\Entity\Devis)[1024]
private 'id' => int 7
private 'isConfirmed' => boolean false
private 'articleadded' => null
private 'user' =>
object(UserBundle\Entity\User)[856]
protected 'id' => int 5
private 'nom' => string 'kamel' (length=5)
private 'prenom' => string 'bouslama' (length=8)
private 'date_naissance' => string '14/10/1992' (length=10)
private 'sexe' => string 'Homme' (length=5)
private 'mobile' => string '50966301' (length=8)
private 'ville' => string 'monastir' (length=8)
private 'site_web' => string 'www.rochdi.com' (length=14)
private 'logo_entreprise' => null
private 'raison_social_entreprise' => null
private 'denomination_entreprise' => null
private 'slogan_entreprise' => null
private 'presentation_entreprise' => null
private 'code_postal_entreprise' => null
private 'longitude_entreprise' => null
private 'laltitude_entreprise' => null
private 'registre_commerce_entreprise' => null
private 'date_creation_entreprise' => null
private 'effectif_entreprise' => null
private 'capital_social_entreprise' => null
private 'fax_entreprise' => null
private 'pack_commercial_entreprise' => null
private 'nom_entreprise' => null
private 'adresse' => string 'Adresse' (length=7)
private 'articles' =>
object(Doctrine\ORM\PersistentCollection)[881]
...
private 'devis_user' =>
object(Doctrine\ORM\PersistentCollection)[904]
...
private 'devis_enterprise' =>
object(Doctrine\ORM\PersistentCollection)[906]
...
protected 'username' => string 'kamel' (length=5)
protected 'usernameCanonical' => string 'kamel' (length=5)
protected 'email' => string 'kamel@gmail.com' (length=15)
protected 'emailCanonical' => string 'kamel@gmail.com' (length=15)
protected 'enabled' => boolean true
protected 'salt' => string 'koikc9294lws8wgwgo8ss4owg84swg8' (length=31)
protected 'password' => string '$2y$13$koikc9294lws8wgwgo8ssu.9zbRplUObbvJEIyuVZvbE9VnateEOi' (length=60)
protected 'plainPassword' => null
protected 'lastLogin' =>
object(DateTime)[854]
...
protected 'confirmationToken' => null
protected 'passwordRequestedAt' => null
protected 'groups' => null
protected 'locked' => boolean false
protected 'expired' => boolean false
protected 'expiresAt' => null
protected 'roles' =>
array (size=1)
...
protected 'credentialsExpired' => boolean false
protected 'credentialsExpireAt' => null
private 'enterprise' =>
object(Proxies\__CG__\UserBundle\Entity\User)[1122]
public '__initializer__' =>
object(Closure)[1023]
...
public '__cloner__' =>
object(Closure)[1022]
...
public '__isInitialized__' => boolean false
protected 'id' => string '6' (length=1)
private 'nom' (UserBundle\Entity\User) => null
private 'prenom' (UserBundle\Entity\User) => null
private 'date_naissance' (UserBundle\Entity\User) => null
private 'sexe' (UserBundle\Entity\User) => null
private 'mobile' (UserBundle\Entity\User) => null
private 'ville' (UserBundle\Entity\User) => null
private 'site_web' (UserBundle\Entity\User) => null
private 'logo_entreprise' (UserBundle\Entity\User) => null
private 'raison_social_entreprise' (UserBundle\Entity\User) => null
private 'denomination_entreprise' (UserBundle\Entity\User) => null
private 'slogan_entreprise' (UserBundle\Entity\User) => null
private 'presentation_entreprise' (UserBundle\Entity\User) => null
private 'code_postal_entreprise' (UserBundle\Entity\User) => null
private 'longitude_entreprise' (UserBundle\Entity\User) => null
private 'laltitude_entreprise' (UserBundle\Entity\User) => null
private 'registre_commerce_entreprise' (UserBundle\Entity\User) => null
private 'date_creation_entreprise' (UserBundle\Entity\User) => null
private 'effectif_entreprise' (UserBundle\Entity\User) => null
private 'capital_social_entreprise' (UserBundle\Entity\User) => null
private 'fax_entreprise' (UserBundle\Entity\User) => null
private 'pack_commercial_entreprise' (UserBundle\Entity\User) => null
private 'nom_entreprise' (UserBundle\Entity\User) => null
private 'adresse' (UserBundle\Entity\User) => null
private 'articles' (UserBundle\Entity\User) => null
private 'devis_user' (UserBundle\Entity\User) => null
private 'devis_enterprise' (UserBundle\Entity\User) => null
protected 'username' => null
protected 'usernameCanonical' => null
protected 'email' => null
protected 'emailCanonical' => null
protected 'enabled' => null
protected 'salt' => null
protected 'password' => null
protected 'plainPassword' => null
protected 'lastLogin' => null
protected 'confirmationToken' => null
protected 'passwordRequestedAt' => null
protected 'groups' => null
protected 'locked' => null
protected 'expired' => null
protected 'expiresAt' => null
protected 'roles' => null
protected 'credentialsExpired' => null
protected 'credentialsExpireAt' => null
private 'articles' =>
object(Doctrine\ORM\PersistentCollection)[1121]
private 'snapshot' =>
array (size=0)
...
private 'owner' =>
&object(DevisBundle\Entity\Devis)[1024]
private 'association' =>
array (size=16)
...
private 'em' =>
object(Doctrine\ORM\EntityManager)[686]
...
private 'backRefFieldName' => string 'devis' (length=5)
private 'typeClass' =>
object(Doctrine\ORM\Mapping\ClassMetadata)[857]
...
private 'isDirty' => boolean false
private 'initialized' => boolean false
private 'coll' =>
object(Doctrine\Common\Collections\ArrayCollection)[1120]
...
1 =>
object(DevisBundle\Entity\Devis)[1119]
private 'id' => int 8
private 'isConfirmed' => boolean false
private 'articleadded' => null
private 'user' =>
object(UserBundle\Entity\User)[856]
protected 'id' => int 5
private 'nom' => string 'kamel' (length=5)
private 'prenom' => string 'bouslama' (length=8)
private 'date_naissance' => string '14/10/1992' (length=10)
private 'sexe' => string 'Homme' (length=5)
private 'mobile' => string '50966301' (length=8)
private 'ville' => string 'monastir' (length=8)
private 'site_web' => string 'www.rochdi.com' (length=14)
private 'logo_entreprise' => null
private 'raison_social_entreprise' => null
private 'denomination_entreprise' => null
private 'slogan_entreprise' => null
private 'presentation_entreprise' => null
private 'code_postal_entreprise' => null
private 'longitude_entreprise' => null
private 'laltitude_entreprise' => null
private 'registre_commerce_entreprise' => null
private 'date_creation_entreprise' => null
private 'effectif_entreprise' => null
private 'capital_social_entreprise' => null
private 'fax_entreprise' => null
private 'pack_commercial_entreprise' => null
private 'nom_entreprise' => null
private 'adresse' => string 'Adresse' (length=7)
private 'articles' =>
object(Doctrine\ORM\PersistentCollection)[881]
...
private 'devis_user' =>
object(Doctrine\ORM\PersistentCollection)[904]
...
private 'devis_enterprise' =>
object(Doctrine\ORM\PersistentCollection)[906]
...
protected 'username' => string 'kamel' (length=5)
protected 'usernameCanonical' => string 'kamel' (length=5)
protected 'email' => string 'kamel@gmail.com' (length=15)
protected 'emailCanonical' => string 'kamel@gmail.com' (length=15)
protected 'enabled' => boolean true
protected 'salt' => string 'koikc9294lws8wgwgo8ss4owg84swg8' (length=31)
protected 'password' => string '$2y$13$koikc9294lws8wgwgo8ssu.9zbRplUObbvJEIyuVZvbE9VnateEOi' (length=60)
protected 'plainPassword' => null
protected 'lastLogin' =>
object(DateTime)[854]
...
protected 'confirmationToken' => null
protected 'passwordRequestedAt' => null
protected 'groups' => null
protected 'locked' => boolean false
protected 'expired' => boolean false
protected 'expiresAt' => null
protected 'roles' =>
array (size=1)
...
protected 'credentialsExpired' => boolean false
protected 'credentialsExpireAt' => null
private 'enterprise' =>
object(Proxies\__CG__\UserBundle\Entity\User)[1118]
public '__initializer__' =>
object(Closure)[1023]
...
public '__cloner__' =>
object(Closure)[1022]
...
public '__isInitialized__' => boolean false
protected 'id' => string '8' (length=1)
private 'nom' (UserBundle\Entity\User) => null
private 'prenom' (UserBundle\Entity\User) => null
private 'date_naissance' (UserBundle\Entity\User) => null
private 'sexe' (UserBundle\Entity\User) => null
private 'mobile' (UserBundle\Entity\User) => null
private 'ville' (UserBundle\Entity\User) => null
private 'site_web' (UserBundle\Entity\User) => null
private 'logo_entreprise' (UserBundle\Entity\User) => null
private 'raison_social_entreprise' (UserBundle\Entity\User) => null
private 'denomination_entreprise' (UserBundle\Entity\User) => null
private 'slogan_entreprise' (UserBundle\Entity\User) => null
private 'presentation_entreprise' (UserBundle\Entity\User) => null
private 'code_postal_entreprise' (UserBundle\Entity\User) => null
private 'longitude_entreprise' (UserBundle\Entity\User) => null
private 'laltitude_entreprise' (UserBundle\Entity\User) => null
private 'registre_commerce_entreprise' (UserBundle\Entity\User) => null
private 'date_creation_entreprise' (UserBundle\Entity\User) => null
private 'effectif_entreprise' (UserBundle\Entity\User) => null
private 'capital_social_entreprise' (UserBundle\Entity\User) => null
private 'fax_entreprise' (UserBundle\Entity\User) => null
private 'pack_commercial_entreprise' (UserBundle\Entity\User) => null
private 'nom_entreprise' (UserBundle\Entity\User) => null
private 'adresse' (UserBundle\Entity\User) => null
private 'articles' (UserBundle\Entity\User) => null
private 'devis_user' (UserBundle\Entity\User) => null
private 'devis_enterprise' (UserBundle\Entity\User) => null
protected 'username' => null
protected 'usernameCanonical' => null
protected 'email' => null
protected 'emailCanonical' => null
protected 'enabled' => null
protected 'salt' => null
protected 'password' => null
protected 'plainPassword' => null
protected 'lastLogin' => null
protected 'confirmationToken' => null
protected 'passwordRequestedAt' => null
protected 'groups' => null
protected 'locked' => null
protected 'expired' => null
protected 'expiresAt' => null
protected 'roles' => null
protected 'credentialsExpired' => null
protected 'credentialsExpireAt' => null
private 'articles' =>
object(Doctrine\ORM\PersistentCollection)[1117]
private 'snapshot' =>
array (size=0)
...
private 'owner' =>
&object(DevisBundle\Entity\Devis)[1119]
private 'association' =>
array (size=16)
...
private 'em' =>
object(Doctrine\ORM\EntityManager)[686]
...
private 'backRefFieldName' => string 'devis' (length=5)
private 'typeClass' =>
object(Doctrine\ORM\Mapping\ClassMetadata)[857]
...
private 'isDirty' => boolean false
private 'initialized' => boolean false
private 'coll' =>
object(Doctrine\Common\Collections\ArrayCollection)[1116]
...
答案 0 :(得分：1)
你在第二次循环中犯了一个错误，它不是 mes_devis.articles ，而是 devis.articles ：
{% for article in devis.articles %}
<div class="cart-header">
<div class="close1"> </div>
<div class="cart-sec">
<div class="cart-item cyc">
<img src="{{ asset ('bundles/theme_front_end/images/ts4.jpg') }}"/>
</div>
<div class="cart-item-info">
<h3>Mast & Harbour<span>Model No: 3578</span></h3>
<h4><span>Rs. $ </span>150.00</h4>
<p class="qty">Qty ::</p>
<input min="1" type="number" id="quantity" name="quantity" value="1" class="form-control input-small">
</div>
<div class="clearfix"></div>
<div class="delivery">
<p>Service Charges:: Rs.50.00</p>
</div>
</div>
</div>
<script>$(document).ready(function (c) {
$('.close2').on('click', function (c) {
$('.cart-header2').fadeOut('slow', function (c) {
$('.cart-header2').remove();
});
});
});
</script>
{% endfor %}