flash的as操作XML

//as3.0

var myXML:XML = new XML();

  var XML_URL:String = "nav.config"; 

var myXMLURL:URLRequest = new URLRequest(XML_URL);

  var myLoader:URLLoader = new URLLoader(myXMLURL);

  myLoader.addEventListener(Event.COMPLETE, xmlLoaded);

function xmlLoaded(evtObj:Event) {

  myXML = XML(myLoader.data);


  //trace (myXML.child(0));

  }

//as2.0

var myXml=new XML();
myXml.ignoreWhite=true;
myXml.load("nav.config");
myXml.onLoad = function(success){
 //myTxt.text = myXml.selectNodes("/INVENTORY/BOOK/AUTHOR")[0].text;
 myTxt.text=myXml.childNodes[0].childNodes[1].firstChild;
}
myBtn.onPress=function(){
 getURL(myTxt.text);
}