import flash.display.BitmapData; 
 import flash.display.Sprite;

   var sp3:Sprite = new Sprite();
   sp3.name = "容器";
   sp3.graphics.beginFill(0x000000); //创建填充色
   sp3.graphics.drawRect(0,0,200,1000); //指定绘制区域，参数：x y width height
   //trace(sp3.width+","+sp3.height);
   var bmpData:BitmapData = new SysBg1();//将库中的元件实例化为bmp对象
   sp3.graphics.beginBitmapFill(bmpData); //开始用bmp填充
   sp3.graphics.drawRect(sp3.x,sp3.y,sp3.width,sp3.height);//指定填充区域，参数：x y width height
   sp3.graphics.endFill(); //填充完毕
   addChild(sp3);