yii框架日期文本框使用方式

<div class="row" ><b>Renew Date：</b></div>
<span class="row">
<?php
            $this->widget('zii.widgets.jui.CJuiDatePicker', array(
                'model'=>$model,
                'attribute'=>'renew_date',
                'options'=>array(
                    'showAnim'=>'fold',
                    'dateFormat'=>'yy-mm-dd',
                    'changeMonth' => true,
                    'changeYear' => true,
                    'currentText' => 'today',
                    'dayNames' => array('周一','周二','周三','周四','周五','周六','周日'),
                    'dayNamesMin' => array('日','一','二','三','四','五','六'),
                    'monthNamesShort' => array('一月','二月','三月','四月','五月','六月','七月','八月','九月','十月','十一月','十二月'),
                ),
                'htmlOptions'=>array(
                    'readonly' => true,
                    'value'=> !empty($model -> renew_date) ? $model->renew_date: date('Y-m-d',time()),
                ),
            ));
            ?>
            <?php echo $form->error($model,'renew_date'); ?>
</span>