[AS3]as3删除对象与删除侦听监听

[AS3]as3删除对象与删除侦听监听

package com{ 
    import flash.display.MovieClip; 
    import flash.events.Event; 
    dynamic public class removeCon extends MovieClip{ 
        private var lis:Array;//定义一数组保存侦听 
        public function removeCon() { 
            lis = new Array(); 
            addEventListener(Event.REMOVED,remove);//侦听删除事件 
        } 
  
        //重写addEventListener,在增加侦听的时候..把相应的事件保存到数组 
        override public function addEventListener(type:String, listener:Function, 
useCapture:Boolean = false, priority:int = 0,
 useWeakReference:Boolean = false):void { 
            lis.push([type,listener,useCapture]); 
            super.addEventListener(type,listener,useCapture,priority,useWeakReference); 
        } 
  
        //cuplayer.com"自c我毁灭"的方法 
        private function remove(e:Event):void { 
            if (e.currentTarget!=e.target) { 
                return; 
            } 
            stop(); 
            //cuplayer.com删除子对象 
            trace("删除前有子对象",numChildren); 
            while (numChildren > 0) { 
                removeChildAt(0); 
            } 
            trace("删除后有子对象",numChildren); 
            //cuplayer.com删除动态属性 
            for (var k:String in this) { 
                trace("删除属性",k); 
                delete this[k]; 
            } 
  
            //cuplayer.com删除侦听 
            trace("num=" + lis.length); 
            for (var i:uint = 0; i < lis.length; i++) { 
                trace("删除Listener", lis[i]); 
                removeEventListener(lis[i][0],lis[i][1],lis[i][2]); 
            } 
            lis=null; 
        } 
    } 
} 

使用方法:

import removeCon; 
var mc:MovieClip = new removeCon(); 
mc.addEventListener(Event.ADDED,aaaa); 
mc.addEventListener(Event.ADDED_TO_STAGE,aaaa); 
mc.addEventListener(Event.ENTER_FRAME,aaaa); 
mc.addEventListener(MouseEvent.CLICK,aaaa); 
mc.addEventListener(MouseEvent.MOUSE_DOWN,aaaa); 
mc.a="http://www.cuplayer.com"; 
mc.b="我是动态属性2"; 
mc.name="我是MC"; 
addChild(mc); 
function aaaa(e:Event) { 
} 
removeChild(mc); 
mc=null;