/**
*
* @param string $logFileName 日志文件名
*/
function __construct($logFileName = null)
{
// 取得云平台 日志模块
$this->cloudEngineLog = CloudHelper::getCloudModule(CloudHelper::CLOUD_MODULE_Log);
// 初始化日志引擎
$this->cloudEngineLog->initLog($logFileName);
}
/**
* 构造函数
*
* 一个配置的简单例子
*
* $config = array(
* "savePath" => $dataPathRoot . '/upload/image',
* "pathFix" => $dataPathRoot,
* 'urlPrefix' => $dataUrlPrefix,
* "maxSize" => 1000, //单位KB
* "allowFiles" => array(".gif", ".png", ".jpg", ".jpeg")
* );
*
* @param string $fileField 表单名称
* @param array $config 配置项
* @param bool $base64 是否解析base64编码，可省略。若开启，则$fileField代表的是base64编码的字符串表单名
*/
public function __construct($fileField, $config, $base64 = false)
{
// 取得云引擎的 Storage 模块
$this->cloudStorage = CloudHelper::getCloudModule(CloudHelper::CLOUD_MODULE_STORAGE);
$this->fileField = $fileField;
$this->config = $config;
$this->stateInfo = $this->stateMap[0];
$this->upFile($base64);
}
/**
* 取得数据库引擎，如果数据库引擎没有初始化，我们这里会做初始化
*/
public static function getDbEngine()
{
if (null == static::$dbEngine) {
global $f3;
// 初始化全站数据库
static::$tablePrefix = $f3->get('sysConfig[db_table_prefix]');
// 获得云平台的数据库引擎
$cloudModuleDb = CloudHelper::getCloudModule(CloudHelper::CLOUD_MODULE_DB);
static::$dbEngine = $cloudModuleDb->getDb();
}
return static::$dbEngine;
}
/**
* 从网络抓取图片进入相册
*
* @param $f3
*/
public function Fetch($f3)
{
// 权限检查
$this->requirePrivilege('manage_goods_edit_edit_post');
// 参数验证
$validator = new Validator($f3->get('POST'));
$goods_id = $validator->required('商品ID不能为空')->digits()->min(1)->validate('goods_id');
$imageUrl = $validator->required('图片地址不能为空')->validate('imageUrl');
if (!$this->validate($validator)) {
goto out_fail;
}
// 抓取图片，伪装成浏览器防止被某些服务器阻止
$webInstance = \Web::instance();
$webInstance->engine('curl');
$request = $webInstance->request($imageUrl, array('user_agent' => 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729)'));
if (!$request || isset($request['http_code']) && 200 != $request['http_code']) {
$this->addFlashMessage('抓取失败，请检查你的抓取地址');
goto out;
}
// 把图片保存到 Storage 中
$cloudStorage = CloudHelper::getCloudModule(CloudHelper::CLOUD_MODULE_STORAGE);
// 图片文件先保存到临时文件中
$tempSrcFilePath = $cloudStorage->getTempFilePath();
file_put_contents($tempSrcFilePath, $request['body']);
// 上传目录
$dataPathRoot = $f3->get('sysConfig[data_path_root]');
$saveFilePathRelative = 'upload/image/' . date("Y/m/d") . '/' . date("YmdHis") . '_' . rand(1, 10000) . strtolower(strrchr($imageUrl, '.'));
// 文件上传到 Storage
if (!$cloudStorage->moveFileToStorage($dataPathRoot, $saveFilePathRelative, $tempSrcFilePath)) {
$this->addFlashMessage('保存文件到存储失败，失败');
goto out;
}
@unlink($tempSrcFilePath);
// 保存 goods_gallery 记录
$imageOriginalFileRelativeName = $saveFilePathRelative;
$pathInfoArray = pathinfo($imageOriginalFileRelativeName);
//生成头图
$imageFileRelativeName = $pathInfoArray['dirname'] . '/' . $pathInfoArray['filename'] . '_' . $f3->get('sysConfig[image_width]') . 'x' . $f3->get('sysConfig[image_height]') . '.jpg';
StorageImageHelper::resizeImage($dataPathRoot, $imageOriginalFileRelativeName, $imageFileRelativeName, $f3->get('sysConfig[image_width]'), $f3->get('sysConfig[image_height]'));
//生成缩略图
$imageThumbFileRelativeName = $pathInfoArray['dirname'] . '/' . $pathInfoArray['filename'] . '_' . $f3->get('sysConfig[image_thumb_width]') . 'x' . $f3->get('sysConfig[image_thumb_height]') . '.jpg';
StorageImageHelper::resizeImage($dataPathRoot, $imageOriginalFileRelativeName, $imageThumbFileRelativeName, $f3->get('sysConfig[image_thumb_width]'), $f3->get('sysConfig[image_thumb_height]'));
//保存 goods_gallery 记录
$goodsGalleryService = new GoodsGalleryService();
// ID 为0，返回一个新建的 dataMapper
$goodsGallery = $goodsGalleryService->_loadById('goods_gallery', 'img_id=?', 0);
$goodsGallery->goods_id = $goods_id;
$goodsGallery->img_desc = '网络下载图片';
$goodsGallery->img_original = $imageOriginalFileRelativeName;
$goodsGallery->img_url = $imageFileRelativeName;
$goodsGallery->thumb_url = $imageThumbFileRelativeName;
$goodsGallery->save();
$this->addFlashMessage('抓取图片成功');
//清除缓存，确保商品显示正确
ClearHelper::clearGoodsCacheById($goodsGallery->goods_id);
out:
// 释放资源
unset($request);
unset($webInstance);
RouteHelper::reRoute($this, RouteHelper::makeUrl('/Goods/Edit/Gallery', array('goods_id' => $goods_id), true));
return;
// 成功从这里返回
out_fail:
RouteHelper::reRoute($this, '/Goods/Search');
}
/**
* 生成一个新的尺寸的图片，并且保存到缓存目录里面
*
* @param string $dataPathRoot 数据存放的根目录
* @param string $imageFileRelativeName 源图片文件的相对路径名，相对于 $dataPathRoot
* @param int $width
* @param int $height
* @param bool $crop 如果图片长宽比例不合适，是否剪切掉
*
* @return string 返回相对于 $dataPathRoot 的新文件路径
*/
public static function cropImageIfNotExist($dataPathRoot, $imageFileRelativeName, $width, $height)
{
$cloudStorage = CloudHelper::getCloudModule(CloudHelper::CLOUD_MODULE_STORAGE);
$soureFilePath = $dataPathRoot . '/' . $imageFileRelativeName;
// 源文件不存在，返回空
if (!$cloudStorage->fileExists($dataPathRoot, $imageFileRelativeName)) {
printLog('[' . $soureFilePath . '] does not exist', __CLASS__, \Core\Log\Base::ERROR);
return '';
}
// 自动生成缩率文件，放在 Cache 目录下
$pathInfoArray = pathinfo($imageFileRelativeName);
$targetDirPathRelative = static::$cacheDirName . '/' . $pathInfoArray['dirname'];
$targetFilePathRelative = $targetDirPathRelative . '/' . $pathInfoArray['filename'] . '_' . $width . 'x' . $height . '_' . 'crop' . '.' . $pathInfoArray['extension'];
if ($cloudStorage->fileExists($dataPathRoot, $targetFilePathRelative)) {
goto out;
}
self::cropImage($dataPathRoot, $imageFileRelativeName, $targetFilePathRelative, $width, $height);
printLog('crop [' . $soureFilePath . '] to [' . $dataPathRoot . '/' . $targetFilePathRelative . '] width [' . $width . '] height [' . $height . ']', __CLASS__);
out:
return $targetFilePathRelative;
}
