Question

我正在做一个symfony项目，我想创建一个表单类。但是，当我创建生成类PropertyType时，找不到它，并且编辑方法出错：

Property "postalCode" does not exist in class "App\Entity\Property"

我的代码：

/**
 * @Route("/admin/{id}", name="admin.property.edit")
 * @param Property $property
 * @return Response
 */
public function edit (Property $property) : Response
{
    $form = $this->createForm(PropertyType::class, $property);
    return $this->render('admin/property/edit.html.twig', [
        'property'  =>  $property,
        'form'      =>  $form->createView()
    ]);
}

以及Property类（实体）：

<?php

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;
use Cocur\Slugify\Slugify;

/**
 * @ORM\Entity(repositoryClass="App\Repository\PropertyRepository")
 */
class Property
{

    const HEAT = [
        0   => 'Electrique',
        1   => 'Gaz'
    ];

    /**
     * @ORM\Id()
     * @ORM\GeneratedValue()
     * @ORM\Column(type="integer")
     */
    private $id;

    /**
     * @ORM\Column(type="string", length=255)
     */
    private $title;

    /**
     * @ORM\Column(type="text", nullable=true)
     */
    private $description;

    /**
     * @ORM\Column(type="integer")
     */
    private $surface;

    /**
     * @ORM\Column(type="integer")
     */
    private $rooms;

    /**
     * @ORM\Column(type="integer")
     */
    private $bedrooms;

    /**
     * @ORM\Column(type="integer")
     */
    private $floor;

    /**
     * @ORM\Column(type="integer")
     */
    private $price;

    /**
     * @ORM\Column(type="integer")
     */
    private $heat;

    /**
     * @ORM\Column(type="string", length=255)
     */
    private $city;

    /**
     * @ORM\Column(type="string", length=255)
     */
    private $address;

    /**
     * @ORM\Column(type="string", length=255)
     */
    private $postal_code;

    /**
     * @ORM\Column(type="boolean", options={"default": false})
     */
    private $sold = false;

    /**
     * @ORM\Column(type="datetime")
     */
    private $created_at;

    public function __construct ()
    {
        $this->created_at = new \DateTime();
    }

    public function getId(): ?int
    {
        return $this->id;
    }

    public function getTitle(): ?string
    {
        return $this->title;
    }

    public function getSlug() : string
    {
        return (new Slugify())->slugify($this->title);
    }

    public function setTitle(string $title): self
    {
        $this->title = $title;

        return $this;
    }

    public function getDescription(): ?string
    {
        return $this->description;
    }

    public function setDescription(?string $description): self
    {
        $this->description = $description;

        return $this;
    }

    public function getSurface(): ?int
    {
        return $this->surface;
    }

    public function setSurface(int $surface): self
    {
        $this->surface = $surface;

        return $this;
    }

    public function getRooms(): ?int
    {
        return $this->rooms;
    }

    public function setRooms(int $rooms): self
    {
        $this->rooms = $rooms;

        return $this;
    }

    public function getBedrooms(): ?int
    {
        return $this->bedrooms;
    }

    public function setBedrooms(int $bedrooms): self
    {
        $this->bedrooms = $bedrooms;

        return $this;
    }

    public function getFloor(): ?int
    {
        return $this->floor;
    }

    public function setFloor(int $floor): self
    {
        $this->floor = $floor;

        return $this;
    }

    public function getPrice(): ?int
    {
        return $this->price;
    }

    public function getFormattedPrice() : string
    {
        return \number_format($this->price, 0, '', ' ');
    }

    public function setPrice(int $price): self
    {
        $this->price = $price;

        return $this;
    }

    public function getHeat(): ?int
    {
        return $this->heat;
    }

    public function getHeatType(): string
    {
        return self::HEAT[$this->heat];
    }

    public function setHeat(int $heat): self
    {
        $this->heat = $heat;

        return $this;
    }

    public function getCity(): ?string
    {
        return $this->city;
    }

    public function setCity(string $city): self
    {
        $this->city = $city;

        return $this;
    }

    public function getAddress(): ?string
    {
        return $this->address;
    }

    public function setAddress(string $address): self
    {
        $this->address = $address;

        return $this;
    }

    public function getPostalCode(): ?string
    {
        return $this->postal_code;
    }

    public function setPostalCode(string $postal_code): self
    {
        $this->postal_code = $postal_code;

        return $this;
    }

    public function getSold(): ?bool
    {
        return $this->sold;
    }

    public function setSold(bool $sold): self
    {
        $this->sold = $sold;

        return $this;
    }

    public function getCreatedAt(): ?\DateTimeInterface
    {
        return $this->created_at;
    }

    public function setCreatedAt(\DateTimeInterface $created_at): self
    {
        $this->created_at = $created_at;

        return $this;
    }
}

使用symfony生成的PropertyType类。

<?php

namespace App\Form;

use App\Entity\Property;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class PropertyType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('title')
            ->add('description')
            ->add('surface')
            ->add('rooms')
            ->add('bedrooms')
            ->add('floor')
            ->add('price')
            ->add('heat')
            ->add('city')
            ->add('address')
            ->add('postal_code')
            ->add('sold')
            ->add('created_at')
        ;
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
            'data_class' => Property::class,
        ]);
    }
}

Answer 1

我相信这是因为您的吸气剂不匹配。因此，而不是：

    public function getPostalCode(): ?string
{
    return $this->postal_code;
}

尝试：

public function getPostal_code(): ?string
{
    return $this->postal_code;
}

对您的created_at和二传手做同样的事情。

使用ccoding standard（此处为CamelCase）将使您的生活更轻松。因此，postalCode而非postal_code等...

Answer 2

我遇到了类似的问题，即我在实体中使用下划线，但表单正在寻找驼峰式的变体（例如：表单正在寻找firstName，但实体具有first_name）。

我认为这可能与Symfony的最新版本有关，因为您的问题是最近的以及我正在处理的项目如何使用Symfony 4.3。我的Symfony 4.2项目在实体中使用下划线，并且在表单生成器中未遇到此问题。所以我要直言不讳地说这是一个Symfony问题，他们在此次要发行版中做了一些最近的更改。我将研究报告有关Git的问题。

更改实体以使用大小写混合是一种解决方法；但是，当您已经生成了实体并创建了关系时，这是一个冗长的解决方法，可以解决某些问题。

在symfony上构建表单，属性不存在

2 个答案: