CH03_05.mxml 外部链接as文件

CH03_05.mxml

<?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">
  <fx:Script source="myFunction.as"/>         
  <fx:Script>
    <![CDATA[
      import mx.controls.Alert;
    ]]>
  </fx:Script>
  
  <s:Group>
    <s:layout>
      <s:HorizontalLayout/>
    </s:layout>
    <s:TextInput id="value1"/>
    <mx:Label text="and"/>
    <s:TextInput id="value2"/>
    <s:Button label="Join The Two" 
               click="Alert.show(textMerge(value1.text,value2.text))"/>
  </s:Group>
</s:Application>

myFunction.as 

public function textMerge(input1:String,input2:String):String
{
  var x:String = input1 + input2;
  return x;
}