/** * 相册上传+缩略图 */ public function actionUploadImg() { if (!empty($_FILES)) { $tempFile = $_FILES['Filedata']['tmp_name']; $fileTypes = array('jpg', 'jpeg', 'gif', 'png', 'bmp'); // File extensions $fileParts = pathinfo($_FILES['Filedata']['name']); if (in_array($fileParts['extension'], $fileTypes)) { $file = new File(); $file->backThumbImage($tempFile, $fileParts['extension']); } else { echo 'Invalid file type.'; } } }