查询XML数据

import flash.net.URLLoader;import flash.net.URLRequest;import flash.events.Event;var len_image:int;var len_mainProperty:int;var arr_mainProperty:Array=[];var arr_Brand:Array=[];var k:int;loadXML();function loadXML():void {var xmlLoader:URLLoader=new URLLoader();xmlLoader.load(new URLRequest("xml/compare.xml"));xmlLoader.addEventListener(Event.COMPLETE,xmlLoaded);}function xmlLoaded(e:Event):void {var xml:XML=new XML(e.currentTarget.data);len_image=xml.image.length();for (var i:int; i<len_image; i++) {//查询Brand=="诺基亚"且price>888的索引号if (xml.image[i].@Brand=="诺基亚"&&xml.image[i].@price>888) {arr_Brand[k]=i;k++;}//查询所有mainProperty元素里title属性值arr_mainProperty[i]=[];len_mainProperty=xml.image[i].mainProperty.length();for (var j:int; j<len_mainProperty; j++) {arr_mainProperty[i][j]=xml.image[i].mainProperty[j].@title;}}trace(arr_Brand);//输出：0,1,13,14trace(arr_mainProperty[0][0]);//输出：价格}