yii2.0 单文件上传

$fileobj = UploadedFile::getInstanceByName(‘file‘);

\Helper::SaveUploadFile($fileobj, ‘openfireimg‘);

public static function SaveUploadFile($file, $folder) {

if(empty($file) || empty($folder)) {

return false;

}

$time = time();

$targetPath = self::getImagePathInfo($folder, true) .‘/‘. date(‘Ymd‘, $time);

if(!is_dir($targetPath)) {

mkdir($targetPath, ‘0777‘, true);

}

$fileName = date(‘YmdHis‘, $time) . ‘_‘ . rand(10000, 99999) . ‘.‘ . strtolower($file->extension);

$filePath = $targetPath . ‘/‘ . $fileName;

if($file->saveAs($filePath)) {

return ‘/‘.date(‘Ymd‘, $time) . ‘/‘ . $fileName;

} else {

return false;

}

}