flex-函数

<?xml version="1.0" encoding="utf-8"?>
<mx: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" preloaderChromeColor="#C6EDC7" creationComplete="sayHello()">
 <fx:Declarations>
  <!-- 将非可视元素（例如服务、值对象）放在此处 -->
 </fx:Declarations>
 <mx:Text x="20" y="20" id="mytext"/>
 <fx:Script>
  <![CDATA[
   public function sayHello():void{
      mytext.text="MXML Say:http://deepfuture.iteye.com";
      var codetxt:Text=new Text;
      codetxt.text="code say:hello world!";
      codetxt.x=80;
      codetxt.y=100;
      this.addChild(codetxt);//加入显示列表
   }
  ]]>
 </fx:Script>
</mx:Application>

或者

<?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" preloaderChromeColor="#C6EDC7" creationComplete="sayHello()">
 <fx:Declarations>
  <!-- 将非可视元素（例如服务、值对象）放在此处 -->
 </fx:Declarations>
 <mx:Text x="20" y="20" id="mytext"/>
 <fx:Script>
  <![CDATA[
   public function sayHello():void{
    mytext.text="MXML Say:http://deepfuture.iteye.com";
    var codetxt:Text=new Text;
    codetxt.text="code say:hello world!";
    codetxt.x=80;
    codetxt.y=100;
    addElement(codetxt);
   }
  ]]>
 </fx:Script>
</s:Application>