利用Bitmap让TextField对象旋转，利用Sprite容器让Bitmap对象可以被鼠标拖拽

由于不能直接通过改变TextField对像的rotation属性来让其旋转(貌似没有这个属性)，可以使用BitmapData和Bitmap类来做到。
看一下Bitmap所继承的类就可以知道其不是继承自InteractiveObject，所以不支持使用鼠标和键盘与之交互，可以利用最轻量级的Sprite容器做到
代码里有个单独的sprite对象circle进行比较。

package {
	import flash.text.TextField;
	import flash.text.TextFormat;
	import flash.text.TextFormatAlign;
	import flash.display.Sprite;
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.display.MovieClip;
	import flash.display.Graphics;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.geom.Point;


	public class test extends Sprite {
		public var singleWordText:TextField;
		private var bitmap:BitmapData;
		private var map:Bitmap;
		private var circle:Sprite;
		private var container:Sprite;

		private var clickOffset:Point=null;
		private var clickOffsetcircle:Point=null;
		
		public function test() {

			container=new Sprite();
			addChild(container);

			var format:TextFormat=new TextFormat();
			format.font="Verdana";
			format.color=0xFFFFFF;
			format.size=20;
			format.align=TextFormatAlign.LEFT;
            //TextField要先申明样式后再输入字符
			singleWordText=new TextField;
			singleWordText.defaultTextFormat=format;
			singleWordText.text="A";
           

			bitmap=new BitmapData(20,25,true,0xcccccccc);
			bitmap.draw(singleWordText,null,null,null,null,true);

			map=new Bitmap(bitmap,"auto",true);
			map.rotation=30;
			//container.rotation=30;
			container.addChild(map);
			container.x=200;
			container.y=200;
			


			container.addEventListener(MouseEvent.MOUSE_DOWN, startTextDrag);
			stage.addEventListener(MouseEvent.MOUSE_UP, stopTextDrag);
			container.addEventListener(Event.ENTER_FRAME, dragText);

			circle=new Sprite();

			circle.graphics.beginFill(0xFF0000);
			circle.graphics.lineStyle(2, 0xFF0000);
			circle.graphics.drawCircle(400,200,30);
			circle.graphics.endFill();


			addChild(circle);


			circle.addEventListener(MouseEvent.MOUSE_DOWN, startcircleDrag);
			stage.addEventListener(MouseEvent.MOUSE_UP, stopcircleDrag);
			circle.addEventListener(Event.ENTER_FRAME, dragcircle);


		}
		
		//------------------\text drag/-------------------------------- 
		//drag map-------------
		private function startTextDrag(event:MouseEvent) {
			clickOffset = new Point(event.localX, event.localY);
		}

		// user released
		private function stopTextDrag(event:MouseEvent) {
			clickOffset = null;
		}

		// run every frame
		private function dragText(event:Event) {
			if (clickOffset != null) {// must be dragging

				container.x = mouseX - clickOffset.x;
				container.y = mouseY - clickOffset.y;

			}
		}
		//drag circle-----------------
		private function startcircleDrag(event:MouseEvent) {
			clickOffsetcircle = new Point(event.localX, event.localY);
		}

		// user released
		private function stopcircleDrag(event:MouseEvent) {
			clickOffsetcircle = null;
		}

		// run every frame
		private function dragcircle(event:Event) {
			if (clickOffsetcircle != null) {// must be dragging
				circle.x = mouseX - clickOffsetcircle.x;
				circle.y = mouseY - clickOffsetcircle.y;
			}
		}
	}
}