自定义载入类（如图片、XML）-优快云博客

本文链接：https://blog.youkuaiyun.com/leon3286/article/details/5785956

本文介绍了一个名为 LoadManager 的 Flash 类实现，该类用于管理资源加载过程，包括图片的加载与卸载，并提供了位置设置的功能。LoadManager 利用 Loader 类来加载 URL 指定的图像资源，在加载完成后会触发自定义的 LoadEvent 事件。

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package leon.utils{ import flash.display.Loader; import flash.events.Event; import flash.display.DisplayObjectContainer; import flash.net.URLRequest; import flash.net.URLLoader; import flash.events.EventDispatcher; import leon.events.LoadEvent; public class LoadManager extends EventDispatcher { private var _loader:Loader; private var _container:DisplayObjectContainer; public static const LOADED:String="loaded"; public function LoadManager(_container:DisplayObjectContainer):void { this._container=_container; //trace("ddd"); } public function LoadImage(_url:String):void { if (! _loader) { _loader=new Loader(); } _loader.contentLoaderInfo.addEventListener(Event.COMPLETE,_loaded,false,0,true); _loader.load(new URLRequest(_url)); } private function _loaded(e:Event):void { //dispatchEvent(new Event(LOADED)); dispatchEvent(new LoadEvent(LOADED,"低调点")); this._container.addChild(_loader); } public function get x():Number { return this._container.x; } public function set x(value:Number):void { this._container.x=value; } public function get y():Number { return this._container.y; } public function set y(value:Number):void { this._container.y=value; } public function unload():void { var _num:int=this._container.numChildren; if (_loader) { if (_num>0) { _loader.unloadAndStop(); } } } } }