pfhwyigou/backend/event/TinifyEvent.php

<?php
/**
 * Created by PhpStorm.
 * User: xiaofeng
 * Date: 2018/3/23
 * Time: 下午1:48
 */
namespace backend\event;
use yii\base\Component;
use Yii;
class TinifyEvent extends Component
{
        const EVENT_COMPRESS = 'compress_img'; //压缩图片
        public function CompressImg($arr)
        {
                $Help = new \backend\base\Help();  //静态方法无需new
                $arr['path']             = Yii::$app->params['tinifyUrl'];
                $arr['data']['uid']      = Yii::$app->session['user_info']['uid'];
                $this->on(self::EVENT_COMPRESS,[$Help,'AjaxRequest'],$arr);
                $this->trigger(self::EVENT_COMPRESS);
        }

}