<?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">

    <fx:Script>

        <![CDATA[

            import mx.controls.Alert;

            protected function onClick(event:Event):void{

            Alert.show(event.target.label+"clicked","Event Test");

            }

        ]]>

    </fx:Script>

    <s:Button label="Button 1" click="onClick(event)"/>

</s:Application>

<?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:Button label="按钮1">

    <s:click>

       <![CDATA[

           import mx.controls.Alert;

           Alert.show(event.target.label + "clicked","Event Test");

       ]]>

   </s:click>

  </s:Button>

</s:Application>