/**
* 获得文件内容同时支持迷你存储
* @param string $signature
* @param string $fileName
* @param string $contentType
* @param bool $forceDownload
* @throws MFilesException
*/
public function getContentBySignature($signature, $fileName, $contentType, $forceDownload = true)
{
//下载文件的hook
$data = array();
$data["signature"] = $signature;
$data["file_name"] = $fileName;
$data["mime_type"] = $contentType;
//对网页的处理分为2种逻辑，1种是直接显示内容，1种是文件直接下载
$data["force_download"] = $forceDownload;
$retData = apply_filters("file_download_url", $data);
if ($retData !== $data && !empty($retData)) {
header("HTTP/1.1 " . MConst::HTTP_CODE_301 . " Moved Permanently");
header("Location: " . $retData);
exit;
return;
}
$filePath = MiniUtil::getPathBySplitStr($signature);
$oldPath = $filePath . "/" . $signature;
//data源处理对象
$dataObj = Yii::app()->data;
if ($dataObj->exists($oldPath)) {
//兼容1.4老数据
$filePath = $oldPath;
} else {
if ($dataObj->exists($filePath) === false) {
throw new MFilesException(Yii::t('api', MConst::NOT_FOUND), MConst::HTTP_CODE_404);
}
}
// 检查是否输出
if (headers_sent()) {
exit;
}
MiniUtil::outContent($filePath, $contentType, $fileName, $forceDownload);
exit;
}
