Question

我正在构建一个将多个图片上传到我们网站的功能，到目前为止，我已将此作为我的上传表单：

<?php
namespace Tyson\AdminBundle\Form;

use Doctrine\ORM\EntityRepository;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;

use Symfony\Component\Form\Extension\Core\Type\FileType;
use Symfony\Component\Form\Extension\Core\Type\IntegerType;

class IuType extends AbstractType
{

    public function buildForm(FormBuilderInterface $builder, array $options)
    {

        $builder->add('id', IntegerType::class);
        $builder->add('image', FileType::class, array(
            'attr' => array(
                'multiple' => 'true',
                'data_class' => null
            )
        ));
    }

    public function getName()
    {
        return 'iu';
    }

}

然后将其显示在Twig文件中，如下所示：

  <div class="tabs-panel" id="panel3v">
      {{ form_start(iu,{action:path('admin_upload-images')}) }}

      <div class="row">
          <div class="small-3 medium-3 large-3 columns field-label">
              <label>Image ID</label>
          </div>
          <div class="small-9 medium-9 large-9 columns">
              {{ form_widget(iu.id) }}
              {{ form_errors(iu.id) }}
          </div>
      </div>

      <div class="row">
          <div class="small-3 medium-3 large-3 columns field-label">
              <label>Image Upload</label>
          </div>
          <div class="small-9 medium-9 large-9 columns">
              {{ form_widget(iu.image) }}
              {{ form_errors(iu.image) }}
          </div>
      </div>

      <div class="row">
          <div class="small-6 medium-6 large-6 columns">
              <button type="submit" class="button" id="saveBtn">Save Changes</button>
          </div>
      </div>

      {{ form_end(iu) }}
  </div>

提交时，在测试期间，我输出表格传递给控制器的内容。这是输出：

[files] => Symfony\Component\HttpFoundation\FileBag Object
    (
        [parameters:protected] => Array
            (
                [iu] => Array
                    (
                        [image] => Symfony\Component\HttpFoundation\File\UploadedFile Object
                            (
                                [test:Symfony\Component\HttpFoundation\File\UploadedFile:private] => 
                                [originalName:Symfony\Component\HttpFoundation\File\UploadedFile:private] => CnY8dRqXYAAoaAw.jpg
                                [mimeType:Symfony\Component\HttpFoundation\File\UploadedFile:private] => image/jpeg
                                [size:Symfony\Component\HttpFoundation\File\UploadedFile:private] => 35164
                                [error:Symfony\Component\HttpFoundation\File\UploadedFile:private] => 0
                                [pathName:SplFileInfo:private] => /tmp/phpibZuVW
                                [fileName:SplFileInfo:private] => phpibZuVW
                            )

                    )

            )

我可以选择一个图像，或100个图像，但在控制器执行任何其他操作之前，表单仍然只传递了一个图像。

作为参考，这是我控制器的代码：

<?php

namespace Tyson\AdminBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\Security\Core\SecurityContext;
use Symfony\Component\Security\Core\User\UserInterface;

use Tyson\CoreBundle\Entity\Images;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Cookie;
use Symfony\Component\HttpFoundation\Session\Session;
use Symfony\Component\Form\Form;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Filesystem\Exception\IOExceptionInterface;

use Symfony\Component\HttpFoundation\File\UploadedFile;

class UploadController extends Controller
{
    public function uploadimagesAction(Request $request)
    {

        $fs = new Filesystem();

        $dm = $this->getDoctrine()->getManager();

        $dir = '/var/www/html/tyson/web/uploads/images/';

        $request = $this->get('request_stack')->getCurrentRequest();

        $formdet = $request->request->get('iu');
        $imgId = $formdet['id'];

        $folderPath = '/var/www/html/tyson/web/uploads/images/'.$imgId;
        $imgDirectory = '/var/www/html/tyson/web/uploads/images/'.$imgId.'/';

        $folderCheck = $fs->exists($folderPath);

        print_r($request);
        die();

    }

}

我想象file输出应该包含多个图像到控制器（因为表单提交一次，而不是重复），所以我做错了什么呢？< / p>

Answer 1

同样的问题来自我

          $builder->add('files', FileType::class, array('required' => false,
            'mapped' => false,
            'attr' => array(
                'multiple' => true
            ),
        ));

只提交了一个文件。暂时没有我的解决方案，我将使用javascript添加[]到上传名称。

Answer 2

我在Symfony 4.2上遇到了这个问题，在fileBag的数组中只有1张图像，我在添加了multiple属性后才运行php bin/console cache:clear

Answer 3

您是否尝试过使用“多个”选项（不是“ attr”选项中的那个）？

$builder
    ->add('files', FileType::class, [
        'multiple' => true,
        'attr' => [
            'multiple' => 'multiple'
        ]
    ]
;

多个图像上传仅在Symfony 3中上传一个图像？

3 个答案: