//判断是否是移动设备
1.egret.Browser.getInstance().isMobile;
//舞台宽度
2.egret.MainContext.instance.stage.stageWidth
3.竖屏 meta name="screen-orientation" content="portrait"
4.横屏 meta name="screen-orientation" content="landscape"
5.stage.stageWidth 屏幕分辨率
6.
5.stage.stageWidth 屏幕分辨率
6.
this.relativeAnchorPointX = 0.5;//定位中心点
this.relativeAnchorPointY = 0.5;
7.打开网页 window.open (url,"_blank")
7.打开网页 window.open (url,"_blank")