如何使用angular + symfony + vichuploaderBundle上传图像

Question

我正在尝试使用angular和vichUploaderBundle为symfony上传图像.

这个想法如下,

我有一些标签,如果你点击它们,它们会显示不同的表格,其中一个用于文件上传.我的问题是,我如何上传图片？我指的是正确的方法.我有一个html.twig文件,里面有一个表单(我正在使用包括twig引擎).假设我有这个form.html.twig

 <form onsubmit="{{ path('upload-new-file') }}">
   <input type="file" id="someFile"/>
        <button> Upload Image </button>
 </form>

选择图像后,单击上传,这将确定哪个URL与upload-new-file(routing.yml)匹配(例如,它将执行一些查询以上载文件)

我的主要问题是我感到困惑,因为我一直在使用php编程我的表单(使用createForm,form-> isvalid等),然后用twig渲染它们,我也使用vichUploaderBundle.在我所描述的情况下,我无法做到这一点,因为我没有"形式"来呈现它.({{表单(form)}}).我没有以通常的方式将表单作为参数传递(例如在symfony docs中; $ this-> render('someTemplate.html.twig',array('form'=> $ form)))

想象一下,我们有一个带有标签的网页,如果你点击其中一个标签,它会显示一些表格,其中一个表格包含一个上传输入,你选择一个图像并点击上传,那么呢？回想一下,我使用angularjs,vichuploaderbundle,symfony和Doctrine作为ORM.

提前致谢!

Answer 1

树枝文件

{{ form_start(form, {'attr': {'novalidate': 'novalidate'} }) }}
            <div class="form-group">
                <label>{{"news.lbl.file"|trans}}</label>
                {{form_widget(form.file)}}
                <lable>{{form_errors(form.file)}}</lable>
            </div>
     <div class="form-group">
                {{form_widget(form.submit)}}
            </div>
            {{ form_end(form)}}

类上传者

<?php

namespace BaseBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Component\HttpFoundation\File\UploadedFile;

abstract class Uploader
{

    /**
     * @var integer
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;

    /**
     * @var string
     *
     * @ORM\Column(name="path", type="string", length=500,nullable=true)
     */
    protected $path;

    /**
     * Set imageUrl
     *
     * @param string $path
     * @return Category1
     */
    public function setPath($path)
    {
        $this->path = $path;

        return $this;
    }

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

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

    public function getAbsolutePath()
    {
        return null === $this->path ? null : $this->getUploadRootDir() . '/' . $this->path;
    }

    public function getWebPath()
    {
        return null === $this->path ? null : $this->getUploadDir() . '/' . $this->path;
    }

    protected function getUploadRootDir($docroot="web")
    {
// the absolute directory path where uploaded
// documents should be saved
        return __DIR__ . "/../../../../$docroot/" . $this->getUploadDir();
    }

    protected abstract function getUploadDir();

    /**
     * @Assert\File(maxSize="6000000")
     */
    protected $file;

    /**
     * Sets file.
     *
     * @param UploadedFile $file
     */
    public function setFile(UploadedFile $file = null)
    {
        $this->file = $file;
    }

    /**
     * Get file.
     *
     * @return UploadedFile
     */
    public function getFile()
    {
        return $this->file;
    }

    public function upload()
    {
        // the file property can be empty if the field is not required
        if (null === $this->getFile())
        {
            return;
        }
// use the original file name here but you should
// sanitize it at least to avoid any security issues
// move takes the target directory and then the
// target filename to move to
        $name = $this->getUploadDir() . "/" . time() . "-" . $this->getFile()->getClientOriginalName();
        $this->getFile()->move(
                $this->getUploadRootDir(), $name
        );
// set the path property to the filename where you've saved the file
        $this->path = $name;
// clean up the file property as you won't need it anymore
        $this->file = null;
    }

}

实体类

class entity extends Uploder
{

 protected function getUploadDir()
    {
         return 'dirctory name';
    }
}

并添加归档路径然后删除路径