<?xml version="1.0" encoding="utf-8"?>

<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"

               xmlns:s="library://ns.adobe.com/flex/spark"

               xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">

    <s:layout>

        <s:VerticalLayout/>

    </s:layout>

    <fx:Script>

        <![CDATA[

            private function concatenateName(item:Object):String

            {

             return item.firstName +"  " +item.lastName +item.email +"  "+item.phone;

            }

        ]]>

    </fx:Script>

    <s:ButtonBar id="buttonBar" labelFunction="concatenateName">

        <mx:ArrayCollection>

            <fx:Object firstName="白" lastName="羽" email="tt@qq.com" phone="544-233233" />

            <fx:Object firstName="李" lastName="克" email="tt@qq.com" phone="544-233233" />

            <fx:Object firstName="思" lastName="明" email="tt@qq.com" phone="544-233233" />

            <fx:Object firstName="搜" lastName="狐" email="tt@qq.com" phone="544-233233" />

            <fx:Object firstName="中" lastName="过" email="tt@qq.com" phone="544-233233" />

        </mx:ArrayCollection>

    </s:ButtonBar>

</s:Application>