前言

<?xml version="1.0" encoding="utf-8"?> <s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009"                         xmlns:s="library://ns.adobe.com/flex/spark"                         xmlns:mx="library://ns.adobe.com/flex/mx"                        xmlns:ns="http://www.taxinfo.com"                         height="600"                        width ="800"                        creationComplete="init()"                        >       <fx:Script>         <![CDATA[             import mx.events.ItemClickEvent;              [Embed(source='xmbz.png')]             private var imgs:Class;             private var arr:Array = [{name:"1. LinkBar常用属性、方法和事件",value:"1"},{name:"2.通用例子",value:"2"},{name:"3.Flex中如何通过iconField样式，给LinkBar添加Icon图标",value:"3"},{name:"参考文献:",value:"4"}]             private function init():void{                  this.myLink.dataProvider = arr;                               }             protected function linkbar1_itemClickHandler(event:ItemClickEvent):void             {                                  trace( JSON.stringify(arr[event.target.selectedIndex])+"----------------")                 trace( event.target.selectedIndex+"----------------")                   for(var i:int = 0;i<arr.length;i++){                     if(i==event.target.selectedIndex){                         arr[event.target.selectedIndex].ico = imgs;                      }                     else{                         arr[i].ico = null;                     }                 }                                   this.myLink.dataProvider = arr;                              }          ]]>     </fx:Script>           <mx:LinkBar id="myLink"    direction="vertical" labelField="name" iconField="ico"                 itemClick="linkbar1_itemClickHandler(event)" >      </mx:LinkBar>      </s:WindowedApplication>