<?php/** * Created by PhpStorm. * Date: 2016/5/25 * Time: 15:23 */namespace vendor/animal;use /yii/base/Component;//組件use /yii/base/Event;//class myEvent extends Event{  public $message;}class Cat extends Component{  public function shout(){    echo "miao miao miao<br>";    //$this->trigger('miao');//事件命名    $me = new myEvent();    $me->message = "hello my Event<br>";    $this->trigger('miao',$me);  }}

<?php/** * Created by PhpStorm. * Date: 2016/5/25 * Time: 17:00 */namespace vendor/animal;use frontend/behaviors/behavior1;use yii/base/Component;//讓一個類擁有接收行為的能力class Dog extends Component{  public function behaviors(){    return [      Behavior1::className(),    ];  }  public function look()  {    echo "I am looking!<br>";  }}

<?php/** * Created by PhpStorm. * Date: 2016/5/25 * Time: 15:23 */namespace vendor/animal;class Mouse{  public function run($e)  {    echo $e->message;    echo "I am running!<br>";  }}

<?php/** * Created by PhpStorm. * Date: 2016/5/25 * Time: 15:27 *///YII事件綁定namespace frontend/controllers;use yii;use yii/web/Controller;use vendor/animal/Cat;use vendor/animal/Mouse;use vendor/animal/Dog;use /yii/base/Event;//類級別的事件綁定必須use frontend/behaviors/Behavior1;//對象的混合class AnimalController extends Controller{  public function actionIndex(){    $cat = new Cat();    $mouse = new Mouse();    $dog = new Dog();    //對象級別的事件綁定    $cat->on('miao',[$mouse,'run']);    $cat->on('miao',[$dog,'look']);////    $cat->off('miao',[$dog,'look']);//取消關(guān)注    //類級別的事件綁定//    Event::on(Cat::className(),'miao',[$mouse,'run']);//所有的老鼠都會監(jiān)聽這個miao事件//    Event::on(Cat::className(),'miao',function(){//      echo "miao event has triggerd!<br>";//    });    $cat->shout();    ///Yii::$app是YII實現(xiàn)的單例模式//    Yii::$app->on(/yii/base/Application::EVENT_AFTER_REQUEST,function(){//      echo "event after request";//    });  }  public function actionBehavior()//類的混合  {    /*板塊1     * $dog = new Dog();    $dog->look();    $dog->eat();*/    $dog=new Dog();    $dog->trigger("wang");  }  public function actionObject()//對象的混合  {    $dog = new Dog();    $behavior1 = new Behavior1();    $dog->attachBehavior('beh1',$behavior1);//取個別名，防止沖突    //$dog->detachBehavior('beh1');//移除對象    $dog->eat();  }}