用这样一段代码来测试下MovieClipLoader类。

 
var url = "http://kevincao.com/uploads/200506/30_005747_polo.jpg"; // 要加载的文件
this.createEmptyMovieClip("image_mc", 1);
this.createTextField("progress_txt", 2, 20, 40, 60, 22);
var mclListener:Object = new Object();
mclListener.onLoadStart = function(target_mc:MovieClip) {
	target_mc.startTimer = getTimer();
	trace(target_mc.startTimer);
};
mclListener.onLoadProgress = function(target_mc:MovieClip, bl:Number, bt:Number) {
	progress_txt.text = Math.round(bl/bt*100)+"%";
};
mclListener.onLoadComplete = function(target_mc:MovieClip) {
	target_mc.completeTimer = getTimer();
	trace(target_mc.completeTimer);
};
mclListener.onLoadInit = function(target_mc:MovieClip) {
	trace(getTimer());
	var timerMS:Number = target_mc.completeTimer-target_mc.startTimer;
	target_mc.createTextField("timer_txt", target_mc.getNextHighestDepth(), 0, target_mc._height, target_mc._width, 22);
	target_mc.timer_txt.text = "loaded in "+timerMS+" ms.";
};
var image_mcl:MovieClipLoader = new MovieClipLoader();
image_mcl.addListener(mclListener);
image_mcl.loadClip(url, image_mc);

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