//YII framework路径
Yii::getFrameworkPath();
//protected/runtime
Yii::app()->getRuntimePath();
//protected/venders目录
Yii::import('application.venders.*');
//或在protected/config/main.php说明
'import'=>array(
  //......
  'application.venders.*',
),
//插入meta信息
Yii::app()->clientScript->registerMetaTag('keywords','关键字');
Yii::app()->clientScript->registerMetaTag('description','一些描述');
Yii::app()->clientScript->registerMetaTag('author','作者');
//如何在控制器添加CSS文件或JavaScript文件
Yii::app()->clientScript->registerCssFile(Yii::app()->baseUrl.'/css/my.css');
Yii::app()->clientScript->registerScriptFile(Yii::app()->baseUrl.'/css/my.js');
<?php echo$this->module->assetsUrl; ?>/css/main.css
Yii::app()->clientScript->registerCoreScript('jquery');

//注册JS代码：
$cs = Yii::app()->getClientScript();
//注册JS文件
$cs->registerScriptFile('js/amcharts/javascript/amcharts.js', CClientScript::POS_HEAD);
$cs->registerScriptFile('js/amcharts/javascript/raphael.js', CClientScript::POS_HEAD);
//注册JS代码
$cs->registerScript('f1','var chart;');
$cs->registerScript('f2','var newValueAxis;');
$cs->registerScript('f3','var addAxis;');
$cs->registerScript('f4','var removeAxis;');
$cs->registerScript('f5','chart = new AmCharts.AmSerialChart();');
$cs->registerScript('f6','chart.pathToImages = "images/amcharts/";');
$cs->registerScript('f7','chart.addListener("dataUpdated");');
$cs->registerScript('f9','chart.marginLeft = 80;');
$cs->registerScript('f10','chart.marginRight = 50;');

//在view中得到当前controller的ID方法：
Yii::app()->getController()->id;
//在view中得到当前action的ID方法
Yii::app()->getController()->getAction()->id;
//yii获取ip地址
Yii::app()->request->userHostAddress;
//yii判断提交方式
Yii::app()->request->isPostRequest;
//得到当前域名:
Yii::app()->request->hostInfo;
//得到proteced目录的物理路径
YII::app()->basePath;
//获得上一页的url以返回
Yii::app()->request->urlReferrer;
//得到当前url
Yii::app()->request->url;
//得到当前home url
Yii::app()->homeUrl;
//得到当前return url
Yii::app()->user->returnUrl
//项目路径
dirname(Yii::app()->BasePath);
//create Url
$this->createUrl('urlBoyLeeTest');
# 成功信息提示
Yii::app()->user->setFlash('success', "Thinks saved success!");
# 错误信息提示
Yii::app()->user->setFlash('error', "here has an Error, Please check that!");
# 一般消息信息提示
Yii::app()->user->setFlash('notice', "messge here");