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

<?php
/**
 * Created by 上海互教教育科技有限公司.
 * User: 李凯磊
 * Date: 2017/3/23
 * Email: 503953171@qq.com
 * File:CMSOrder_back.php
 */

class CMSOrder_back extends CActiveRecord{

    public function getDbConnection() {

        return Yii::app()->db251;
    }
    public static function model($className = __CLASS__){
        return parent::model($className);
    }

    public function tableName(){
        return "order_back";
    }
    public function primaryKey(){
        return array('order_id');
    }
    public function getOrderInfo($orderid){
        $criteria 	= 	new CDbCriteria();
        $criteria->select = '*';

        $criteria->addCondition('order_id=:id');
        $criteria->params[':id'] =   $orderid;
        return $this->find($criteria);
    }
}