package
{import flash.display.Sprite;import flash.events.Event;import flash.events.EventDispatcher;/*** ...* @author 橡树小屋*/public class estends extends Sprite{function estends() {//第一种var dispatcher:extendsDispatcher = new extendsDispatcher();dispatcher.addEventListener(extendsDispatcher.ACTION, actionH);dispatcher.doSome();//第二种var dispatcher1:EventDispatcher = new EventDispatcher();dispatcher1.addEventListener("secDispatcher", actionH);dispatcher1.dispatchEvent(new Event("secDispatcher"));//或者dispatcher.addEventListener("thurdDispatcher", actionH);dispatcher.dispatchEvent(new Event("thurdDispatcher"));}private function actionH(e:Event):void {trace(e);}}}
import flash.events.Event;
import flash.events.EventDispatcher;class extendsDispatcher extends EventDispatcher {public static var ACTION:String = "action";public function doSome():void {dispatchEvent(new Event(extendsDispatcher.ACTION));}
}

package
{/*** ...* @author 橡树小屋*/import flash.display.Sprite;import flash.events.Event;public class compont extends Sprite{public function compont() {var dis:compont1 = new compont1();dis.getEventDispatch().addEventListener(compont1.ACTION, show);dis.doSome();}private function show(e:Event):void {trace(e);}}}
import flash.events.Event;
import flash.events.EventDispatcher;class compont1 {private var _dispatcher:EventDispatcher;public static var ACTION:String = "action";public function compont1() {_dispatcher = new EventDispatcher();}public function getEventDispatch():EventDispatcher {return _dispatcher;}public function doSome():void {_dispatcher.dispatchEvent(new Event(compont1.ACTION));}
}

package
{import flash.display.Sprite;import flash.events.Event;/*** ...* @author 橡树小屋*/public class implement extends Sprite{public function implement() {var impObj:implete = new implete();impObj.addEventListener(implete.ACTION, actionH);impObj.dispatchEvent(new Event(implete.ACTION));}private function actionH(e:Event):void {trace(e);}}}
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.events.IEventDispatcher;class implete implements IEventDispatcher {public var _dispatcher:EventDispatcher;public static const ACTION:String = "action";public function implete() {_dispatcher = new EventDispatcher();}//实现5个方法public function addEventListener(type:String,listener:Function,useCapture:Boolean=false,priority:int=0,useWeakReference:Boolean=true):void {_dispatcher.addEventListener(type, listener, useCapture, priority, useWeakReference);}public function dispatchEvent(evt:Event):Boolean {return _dispatcher.dispatchEvent(evt);}public function hasEventListener(type:String):Boolean {return _dispatcher.hasEventListener(type);}public function removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void {_dispatcher.removeEventListener(type,listener,useCapture);}public function willTrigger(type:String):Boolean {return _dispatcher.willTrigger(type);}
}