Flex builder 3 简单例子1

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

    <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">

    <mx:Button x="73" y="56" label="点我" width="117" height="46" id="btnClick" click="OnClick()"/>

    <mx:Button x="71" y="152" label="清空" width="119" height="61" id="btnclear" click="OnClear()"/>

    <mx:TextArea x="288" y="56" width="349" height="157" id="txtArea"/>

    <mx:Script>

          <![CDATA[

            public function OnClick():void

            {

                  txtArea.text="Hello World!";

            }

            //internal

            public function OnClear():void

            {

                 txtArea.text="";

            }

          ]]>

     </mx:Script>

</mx:Application>