Jquery Easyui plugin for Yii2 (http://www.jeasyui.com/)
add
"sansusan/yii2-easyui": "dev-master"
to the require section of your composer.json file.
Add asset bundle on layout/view
use sansusan\easyui\EasyuiAsset;
EasyuiAsset::register($this,
['theme' => 'metro-gray', 'locale' => 'easyui-lang-ru'],
['datagrid-groupview']
);