Posted on 2012-10-19 11:04 
谁用我名字啦? 阅读(220) 
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flex学习之路 
			 
			
		 
		package
{
    import flash.display.Sprite;
    import flash.display.Shape;
    import flash.events.Event;
    import flash.events.MouseEvent;
    
    public class dashias extends Sprite
    {
        private var mySprite1:Sprite = new Sprite();
        private var mySprite2:Sprite = new Sprite();
        
        public function dashias()
        {
            //画圆
            var circle:Shape = new Shape();
            circle.graphics.lineStyle(0, 0x7B7B7B); //方法签名: lineStyle(thickness, color)
            circle.graphics.beginFill(0xFF0000);
            circle.graphics.drawCircle(0, 0, 20);
            circle.graphics.endFill();
            
            //吧circle对象加入到舞台中
            mySprite1.addChild(circle);
            this.addChild(mySprite1); //吧circle对象加入到舞台中,this指stage
            mySprite1.x = 100; //设置显示列表构造对象mySprite的x坐标为100
            mySprite1.y = 100; //设置显示列表构造对象mySprite的y坐标为100
            
            //画线
            var line:Shape = new Shape();
            line.graphics.lineStyle(4, 0x00FF00);
            line.graphics.lineTo(20, 20);
            line.graphics.endFill();
            line.x = 0;
            line.y = 0;
            
            mySprite2.addChild(line);
            this.addChild(mySprite2);
            mySprite2.x = 100;
            mySprite2.y = 100;
            
            //添加监听事件
            //ENTER_FRAME事件一位置Flash播放头进入新的一帧,此时调用rotateRectObject侦听器
            mySprite2.addEventListener(Event.ENTER_FRAME, rotateRectObject);
            
            //实现对mySprite1的拖拽
            mySprite1.addEventListener(MouseEvent.MOUSE_UP, mouseReleased);
            mySprite1.addEventListener(MouseEvent.MOUSE_DOWN, mouseDown);
            
            //在mySprite1这个显示列表基本构造元素上显示手型鼠标光标
            mySprite1.buttonMode = true;
            mySprite1.useHandCursor = true;
        }
        
        function rotateRectObject(evt:Event):void {
            //rotation si a property to rotate the respective object
            mySprite2.rotation += 1;
        }
        
        function mouseDown(event:MouseEvent):void {
            mySprite1.startDrag();
        }
        
        function mouseReleased(event:MouseEvent):void {
            mySprite1.stopDrag();
        }
    }
}