flex 点击按钮换图片示例

AS文件：

//点击按钮图片
[Embed(source='../../../../asstes/xiaoyuanL.jpg')]
private var linkButtonIcon:Class;
[Embed(source='../../../../asstes/sanjiaolv.png')]
private var linkButtonIcon2:Class;

?

if (ints == '1')
?{
??link1.setStyle("icon",linkButtonIcon);
??var tw:luwangYanDianTishi=luwangYanDianTishi(PopUpManager.createPopUp(this,luwangYanDianTishi,false));
??PopUpManager.centerPopUp(tw);
?
?}
?if (ints == '2')
?{

??link2.setStyle("icon",linkButtonIcon);
??
?}
?if (ints == '3')
?{
??link3.setStyle("icon",linkButtonIcon2);
??
?}

?

MXML文件：

<mx:VBox id="vb_bao">

???????<mx:LinkButton id="link1" ???????????? label="报指挥中心" ???????????? icon="@Embed(source='../../../../asstes/hongyuan.jpg')" ???????????? click="newse('1')"/> ???????<mx:LinkButton id="link2" ???????????? label="报总调度主任" ???????????? icon="@Embed(source='../../../../asstes/hongyuan.jpg')" ???????????? click="newse('2')"/> ???????<mx:LinkButton id="link3" ???????????? label="报公司内部领导" ???????????? icon="@Embed(source='../../../../asstes/sanjiaohong.png')" ???????????? click="newse('3')"/> ???????<mx:LinkButton id="link4" ???????????? label="报相关部室" ???????????? icon="@Embed(source='../../../../asstes/hongyuan.jpg')" ???????????? click="newse('4')"/> ???????<mx:LinkButton id="link5" ???????????? label="报分公司生产调度" ???????????? icon="@Embed(source='../../../../asstes/sanjiaohong.png')" ???????????? click="newse('5')"/> ???????<mx:LinkButton id="link6" ???????????? label="报公交安保总队" ???????????? click="newse('6')" ???????????? icon="@Embed(source='../../../../asstes/hongyuan.jpg')"/> ???????<mx:LinkButton id="link7" ???????????? label="续报" ???????????? click="newse('7')" ???????????? icon="@Embed(source='../../../../asstes/hongyuan.jpg')"/> ???????<mx:LinkButton id="link8" ???????????? label="终报" ???????????? click="newse('8')" ???????????? icon="@Embed(source='../../../../asstes/sanjiaohong.png')"/> ??????</mx:VBox>