Text里面 有
/**是否是从右向左的显示顺序*/
public static var RightToLeft:Boolean = false;
/**
* 设置文字排版模式为右到左。
*/
public static function setTextRightToLeft():void
{
var style:Object;
style = Browser.canvas.source.style;
style.display = "none";
style.position = "absolute";
style.direction = "rtl";
//Browser.document.body.style.direction = "rtl";
Render._mainCanvas.source.style.direction = "rtl";
Text.RightToLeft = true;
Browser.document.body.appendChild(Browser.canvas.source);
}