as3 鼠标事件

package{
	import flash.display.*;
	import flash.text.*;
	import flash.events.*;
	public class HelloWorld extends Sprite{
		public function HelloWorld(){
			trace(" constructor -----------");
			var t:TextField = new TextField();
			t.text="Hello world , nice to meet you .";
			t.background=true;
			t.border=true;
			t.wordWrap=true;
			t.doubleClickEnabled=true;
			addChild(t);
			t.addEventListener(MouseEvent.CLICK,clickListener);
			t.addEventListener(MouseEvent.DOUBLE_CLICK,doubleClickListener);
			t.addEventListener(MouseEvent.MOUSE_OVER,mouseOverListener);
			t.addEventListener(MouseEvent.MOUSE_OUT,mouseOutListener);
		}
		public function clickListener(e:MouseEvent):void{
			trace(' Mouse was clicked .');
		}
		public function doubleClickListener(e:MouseEvent):void{
			trace(' Mouse was doubleClicked .');
		}
		public function mouseOverListener(e:MouseEvent):void{
			trace(' Mouse was overed .');
			DisplayObject(e.target).x += 10;
			DisplayObject(e.target).y += 10;
		}
		public function mouseOutListener(e:MouseEvent):void{
			trace(' Mouse was out .');
		}
　　　　　　　　　　//......		
	}
}