package {import flash.display.Sprite;public class HelloWorld extends Sprite{public static var currSwfUrl:String;public function HelloWorld(){//写网络相关的项目时,就可以通过这个自动选择调用的服务器端程序了var doMain:String = this.stage.loaderInfo.url;var doMainArray:Array = doMain.split("/");if (doMainArray[0] == "file:") {//为处理本地系统返回的路径由“/”或“\”两种间隔组成的不同情况，而分别处理if(doMainArray.length<=3){currSwfUrl = doMainArray[2];currSwfUrl = currSwfUrl.substring(0,currSwfUrl.lastIndexOf(currSwfUrl.charAt(2)));}else{currSwfUrl = doMain;currSwfUrl = currSwfUrl.substring(0,currSwfUrl.lastIndexOf("/"));}}else{currSwfUrl = doMain;currSwfUrl = currSwfUrl.substring(0,currSwfUrl.lastIndexOf("/"));}currSwfUrl = currSwfUrl + "/";trace("项目路径： "+ HelloWorld.currSwfUrl);}}
}

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="initApp()"><mx:Script><![CDATA[public static var currSwfUrl:String;private function initApp():void{//写网络相关的项目时,就可以通过这个自动选择调用的服务器端程序了var doMain:String = this.parent.stage.loaderInfo.url;//注意此行和AS的写法略有不同var doMainArray:Array = doMain.split("/");if (doMainArray[0] == "file:") {if(doMainArray.length<=3){//为处理本地系统返回的路径由“/”或“\”两种间隔组成的不同情况，而分别处理currSwfUrl = doMainArray[2];currSwfUrl = currSwfUrl.substring(0,currSwfUrl.lastIndexOf(currSwfUrl.charAt(2)));}else{currSwfUrl = doMain;currSwfUrl = currSwfUrl.substring(0,currSwfUrl.lastIndexOf("/"));}}else{currSwfUrl = doMain;currSwfUrl = currSwfUrl.substring(0,currSwfUrl.lastIndexOf("/"));}currSwfUrl += "/";trace("项目路径： "+ HelloFlex.currSwfUrl);}]]></mx:Script>
</mx:Application>

// 取当前页面名称(不带后缀名)
    function pageName()
    {
        var a = location.href;
        var b = a.split("/");
        var c = b.slice(b.length-1, b.length).toString(String).split(".");
        return c.slice(0, 1);
    }

//取当前页面名称(带后缀名)
    function pageName()
     {
         var strUrl=location.href;
         var arrUrl=strUrl.split("/");
         var strPage=arrUrl[arrUrl.length-1];
         return strPage;
     }