13

突击队需要你的帮助。

我在 Yii 中有一个控制器:

class PageController extends Controller {
    public function actionSOMETHING_MAGIC($pagename) {
        // Commando will to rendering,etc from here
    }
}

我需要 Yii CController 下的一些魔术方法来控制 /page || 下的所有子请求 页面控制器。

Yii 有可能吗?

谢谢!

4

2 回答 2

19

当然有。最简单的方法是覆盖该missingAction方法。

这是默认实现:

public function missingAction($actionID)
{
    throw new CHttpException(404,Yii::t('yii','The system is unable to find the requested action "{action}".',
        array('{action}'=>$actionID==''?$this->defaultAction:$actionID)));
}

你可以简单地用例如替换它

public function missingAction($actionID)
{
    echo 'You are trying to execute action: '.$actionID;
}

在上面,$actionID就是你所说的$pageName

一个稍微复杂但也更强大的方法是重写该createAction方法。这是默认实现:

/**
 * Creates the action instance based on the action name.
 * The action can be either an inline action or an object.
 * The latter is created by looking up the action map specified in {@link actions}.
 * @param string $actionID ID of the action. If empty, the {@link defaultAction default action} will be used.
 * @return CAction the action instance, null if the action does not exist.
 * @see actions
 */
public function createAction($actionID)
{
    if($actionID==='')
        $actionID=$this->defaultAction;
    if(method_exists($this,'action'.$actionID) && strcasecmp($actionID,'s')) // we have actions method
        return new CInlineAction($this,$actionID);
    else
    {
        $action=$this->createActionFromMap($this->actions(),$actionID,$actionID);
        if($action!==null && !method_exists($action,'run'))
                throw new CException(Yii::t('yii', 'Action class {class} must implement the "run" method.', array('{class}'=>get_class($action))));
        return $action;
    }
}

例如,在这里,你可以做一些严厉的事情

public function createAction($actionID)
{
    return new CInlineAction($this, 'commonHandler');
}

public function commonHandler()
{
    // This, and only this, will now be called for  *all* pages
}

或者您可以根据您的要求做一些更精细的事情。

于 2011-07-04T10:58:26.080 回答
10

您的意思是 CController 或 Controller(最后一个是您的扩展类)?如果你像这样扩展 CController 类:

class Controller extends CController {
   public function beforeAction($pagename) {

     //doSomeMagicBeforeEveryPageRequest();

   }
}

你可以得到你需要的

于 2011-06-15T07:31:15.553 回答