xiaoben-as2-php/protected/models/SGrade.php

<?php
/**
 * Created by 上海互教教育科技有限公司.
 * User: 刘红伟
 * QQ  : 454303753
 * Date: 2017/7/26 0026
 * Time: 上午 11:01
 */
class SGrade extends MyActiveRecord{

    public static function model($className = __CLASS__){
        return parent::model($className);
    }

    public function tableName(){
        return 'grade';
    }
}