先在配置文件components数组中加上：'cache'=>array( 'class'=>'CFileCache'), 设置Cache：Yii::app()->cache->set('testcache', array(1,3,4,6));//默认有效期为一年Yii::app()->cache->set('testcache', array(1,3,4,6), 3600);//一个钟，秒为单位 获取Cache：$data = Yii::app()->cache->get('testcache'); 删除单个Cache：Yii::app()->cache->delete('testcache'); 清空全部Cache：Yii::app()->cache->flush();