我正在处理magento 2.1表格。当我添加新字段时，图像已成功上传。但是，当我从网格编辑任何字段时，文件上传器将不会显示在页面上。当我检查编辑页面时，它显示以下错误
未捕获的TypeError：value.map不是file-uploader.js中的函数：69
<field name="image">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="dataType" xsi:type="string">string</item>
<item name="source" xsi:type="string">faqs</item>
<item name="label" xsi:type="string" translate="true">Topic Image</item>
<item name="visible" xsi:type="boolean">true</item>
<item name="formElement" xsi:type="string">fileUploader</item>
<item name="elementTmpl" xsi:type="string">ui/form/element/uploader/uploader</item>
<item name="previewTmpl" xsi:type="string">Magento_Catalog/image-preview</item>
<item name="dataScope" xsi:type="string">image</item>
<item name="required" xsi:type="boolean">false</item>
<item name="sortOrder" xsi:type="number">13</item>
<item name="uploaderConfig" xsi:type="array">
<item name="url" xsi:type="url" path="faqs/topic_image/upload"/>
</item>
</item>
</argument>
</field>在\ app \ code \ Spacename \ Moduelname \ etc \ di.xml中
<type name="Spacename\modulename\Controller\Adminhtml\Topic\Image\Upload">
<arguments>
<argument name="imageUploader" xsi:type="object">Magento\Catalog\CategoryImageUpload</argument>
</arguments>
</type>
<virtualType name="Magento\Catalog\CategoryImageUpload" type="spacename\modulename\Model\ImageUploader">
<arguments>
<argument name="baseTmpPath" xsi:type="string">faqs</argument>
<argument name="basePath" xsi:type="string">faqs</argument>
<argument name="allowedExtensions" xsi:type="array">
<item name="jpg" xsi:type="string">jpg</item>
<item name="jpeg" xsi:type="string">jpeg</item>
<item name="gif" xsi:type="string">gif</item>
<item name="png" xsi:type="string">png</item>
</argument>
</arguments>
在控制器app \ code \ Spacename \ Moduelname \ Controller \ Adminhtml \ Topic \ Image upload.php中
class Upload extends \Magento\Backend\App\Action
{
/**
* Image uploader
*
* @var \Magento\Catalog\Model\ImageUploader
*/
protected $baseTmpPath;
protected $imageUploader;
/**
* Upload constructor.
*
* @param \Magento\Backend\App\Action\Context $context
* @param \Magento\Catalog\Model\ImageUploader $imageUploader
*/
public function __construct(
\Magento\Backend\App\Action\Context $context,
\spacename\modulename\Model\ImageUploader $imageUploader
) {
parent::__construct($context);
$this->imageUploader = $imageUploader;
}
/**
* Check admin permissions for this controller
*
* @return boolean
*/
protected function _isAllowed()
{
return $this->_authorization->isAllowed('spacename_Modulename::entity');
}
/**
* Upload file controller action
*
* @return \Magento\Framework\Controller\ResultInterface
*/
public function execute()
{
try {
$result = $this->imageUploader->saveFileToTmpDir('image');
$result['cookie'] = [
'name' => $this->_getSession()->getName(),
'value' => $this->_getSession()->getSessionId(),
'lifetime' => $this->_getSession()->getCookieLifetime(),
'path' => $this->_getSession()->getCookiePath(),
'domain' => $this->_getSession()->getCookieDomain(),
];
} catch (\Exception $e) {
$result = ['error' => $e->getMessage(), 'errorcode' => $e->getCode()];
}
return $this->resultFactory->create(ResultFactory::TYPE_JSON)->setData($result);
}
}并在模型\ code \ Spacename \ Moduelname \ Model \ ImageUploader.php中
<?php
/**
* Copyright © 2016 Magento. All rights reserved.
* See COPYING.txt for license details.
*/
namespace spacename\modulename\Model;
/**
* Catalog image uploader
*/
class ImageUploader
{
/**
* Core file storage database
*
* @var \Magento\MediaStorage\Helper\File\Storage\Database
*/
protected $coreFileStorageDatabase;
/**
* Media directory object (writable).
*
* @var \Magento\Framework\Filesystem\Directory\WriteInterface
*/
protected $mediaDirectory;
/**
* Uploader factory
*
* @var \Magento\MediaStorage\Model\File\UploaderFactory
*/
private $uploaderFactory;
/**
* Store manager
*
* @var \Magento\Store\Model\StoreManagerInterface
*/
protected $storeManager;
/**
* @var \Psr\Log\LoggerInterface
*/
protected $logger;
/**
* Base tmp path
*
* @var string
*/
protected $baseTmpPath;
/**
* Base path
*
* @var string
*/
protected $basePath;
/**
* Allowed extensions
*
* @var string
*/
protected $allowedExtensions;
/**
* ImageUploader constructor
*
* @param \Magento\MediaStorage\Helper\File\Storage\Database $coreFileStorageDatabase
* @param \Magento\Framework\Filesystem $filesystem
* @param \Magento\MediaStorage\Model\File\UploaderFactory $uploaderFactory
* @param \Magento\Store\Model\StoreManagerInterface $storeManager
* @param \Psr\Log\LoggerInterface $logger
* @param string $baseTmpPath
* @param string $basePath
* @param string[] $allowedExtensions
*/
public function __construct(
\Magento\MediaStorage\Helper\File\Storage\Database $coreFileStorageDatabase,
\Magento\Framework\Filesystem $filesystem,
\Magento\MediaStorage\Model\File\UploaderFactory $uploaderFactory,
\Magento\Store\Model\StoreManagerInterface $storeManager,
\Psr\Log\LoggerInterface $logger,
$baseTmpPath,
$basePath,
$allowedExtensions
) {
$this->coreFileStorageDatabase = $coreFileStorageDatabase;
$this->mediaDirectory = $filesystem->getDirectoryWrite(\Magento\Framework\App\Filesystem\DirectoryList::MEDIA);
$this->uploaderFactory = $uploaderFactory;
$this->storeManager = $storeManager;
$this->logger = $logger;
$this->baseTmpPath = $baseTmpPath;
$this->basePath = $basePath;
$this->allowedExtensions = $allowedExtensions;
}
/**
* Set base tmp path
*
* @param string $baseTmpPath
*
* @return void
*/
public function setBaseTmpPath($baseTmpPath)
{
$this->baseTmpPath = $baseTmpPath;
}
/**
* Set base path
*
* @param string $basePath
*
* @return void
*/
public function setBasePath($basePath)
{
$this->basePath = $basePath;
}
/**
* Set allowed extensions
*
* @param string[] $allowedExtensions
*
* @return void
*/
public function setAllowedExtensions($allowedExtensions)
{
$this->allowedExtensions = $allowedExtensions;
}
/**
* Retrieve base tmp path
*
* @return string
*/
public function getBaseTmpPath()
{
return $this->baseTmpPath;
}
/**
* Retrieve base path
*
* @return string
*/
public function getBasePath()
{
return $this->basePath;
}
/**
* Retrieve base path
*
* @return string[]
*/
public function getAllowedExtensions()
{
return $this->allowedExtensions;
}
/**
* Retrieve path
*
* @param string $path
* @param string $imageName
*
* @return string
*/
public function getFilePath($path, $imageName)
{
return rtrim($path, '/') . '/' . ltrim($imageName, '/');
}
/**
* Checking file for moving and move it
*
* @param string $imageName
*
* @return string
*
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function moveFileFromTmp($imageName)
{
$baseTmpPath = $this->getBaseTmpPath();
$basePath = $this->getBasePath();
$baseImagePath = $this->getFilePath($basePath, $imageName);
$baseTmpImagePath = $this->getFilePath($baseTmpPath, $imageName);
try {
$this->coreFileStorageDatabase->copyFile(
$baseTmpImagePath,
$baseImagePath
);
$this->mediaDirectory->renameFile(
$baseTmpImagePath,
$baseImagePath
);
} catch (\Exception $e) {
throw new \Magento\Framework\Exception\LocalizedException(
__('Something went wrong while saving the file(s).')
);
}
return $imageName;
}
/**
* Checking file for save and save it to tmp dir
*
* @param string $fileId
*
* @return string[]
*
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function saveFileToTmpDir($fileId)
{
$baseTmpPath = $this->getBaseTmpPath();
$uploader = $this->uploaderFactory->create(['fileId' => $fileId]);
$uploader->setAllowedExtensions($this->getAllowedExtensions());
$uploader->setAllowRenameFiles(true);
$result = $uploader->save($this->mediaDirectory->getAbsolutePath($baseTmpPath));
if (!$result) {
throw new \Magento\Framework\Exception\LocalizedException(
__('File can not be saved to the destination folder.')
);
}
/**
* Workaround for prototype 1.7 methods "isJSON", "evalJSON" on Windows OS
*/
$result['tmp_name'] = str_replace('\\', '/', $result['tmp_name']);
$result['path'] = str_replace('\\', '/', $result['path']);
$result['url'] = $this->storeManager
->getStore()
->getBaseUrl(
\Magento\Framework\UrlInterface::URL_TYPE_MEDIA
) . $this->getFilePath($baseTmpPath, $result['file']);
$result['name'] = $result['file'];
if (isset($result['file'])) {
try {
$relativePath = rtrim($baseTmpPath, '/') . '/' . ltrim($result['file'], '/');
$this->coreFileStorageDatabase->saveFile($relativePath);
} catch (\Exception $e) {
$this->logger->critical($e);
throw new \Magento\Framework\Exception\LocalizedException(
__('Something went wrong while saving the file(s).')
);
}
}
return $result;
}
}
为什么不使用原始的Magento文件上传器？
—
拉斐尔（Raphael）在Digital Pianism上，2013年
我关注的是磁目录上传器。其他解决方案请讨论
—
Ashar Riaz，