[ActionScript 3.0] PrintJob打印功能

package
{
    import flash.display.Bitmap;
    import flash.display.Sprite;
    import flash.events.MouseEvent;
    import flash.geom.Rectangle;
    import flash.printing.PrintJob;
    import flash.printing.PrintJobOptions;
    import flash.text.TextField;
    import flash.text.TextFormat;
    import flash.utils.getDefinitionByName;
    
    /**
     * @author Frost.Yen
     * @E-mail 871979853@qq.com
     * @create 2015-7-27 下午1:58:56
     *
     */
    [SWF(width="800",height="600")]
    public class PrintTest extends Sprite
    {
        private var _printJob:PrintJob = new PrintJob();
        private var _printOptions:PrintJobOptions = new PrintJobOptions();
        private var _sp:Sprite = new Sprite();
        private var _text:TextField = new TextField();
        [Embed(source="test.png")] 
        private var _png:Class; 
        public function PrintTest()
        {
            initViews();
        }
        private function initViews():void
        {
            var string:String = "PrintTest__png";//所在类名+"_"+embed的类名 
            var c:Class = getDefinitionByName(string) as  Class; 
            var b:Bitmap = new c(); 
            _text.selectable = false;
            _text.border = true;
            _text.autoSize = "left";
            _text.text = "Click me to print";
            _text.setTextFormat(new TextFormat("Arial",16,0));
            _text.x = _text.y = 10;
            _sp.x = 150;
            _sp.y = 10;
            this.addChild(_text);
            this.addChild(_sp);
            _sp.addChild(b);
            initEventListeners();
        }
        private function initEventListeners():void
        {
            _text.addEventListener(MouseEvent.CLICK,onPrint);
        }
        private function onPrint(e:MouseEvent):void
        {
            _printOptions.printAsBitmap = true;
            if(_printJob.start()) { 
                try {
                    _printJob.addPage(_sp,new Rectangle(0,0,_sp.width,_sp.height),_printOptions);
                } catch(e:Error) {
                    trace(e.toString());
                }
                _printJob.send(); 
            }
        }
    }
}