AjaxController::actionBiz PHP 메소드

    public function actionBiz()
    {
        if (Yii::app()->request->isAjaxRequest) {
            $optionStr = CHtml::tag('option', array('value' => ''), '请选择');
            $contract_id = Yii::app()->request->getParam('contract_id');
            $biz_id = Yii::app()->db->createCommand()->select('biz_id')->from('groupon_contract')->where('id=:id', array(':id' => $contract_id))->queryScalar();
            if ($biz_id) {
                $biz = Yii::app()->db->createCommand()->select('id,title')->from('groupon_biz')->where('id=:id', array(':id' => $biz_id))->queryRow();
                if (!empty($biz)) {
                    $optionStr = CHtml::tag('option', array('value' => $biz['id']), $biz['title']);
                }
            }
            echo $optionStr;
        }
    }