制作简单的浏览器

<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" width="800" height="600">
 <mx:Script>
  <![CDATA[
   private function gotoURL():void{
     myhtml.location = "http://"+txtURL.text; 
   }
  ]]>
 </mx:Script>
 <mx:Panel id="mypanel" x="0" y="0" width="800" height="600" layout="absolute">
  <mx:VBox x="0" y="0" height="100%" width="800">
   
   <mx:HBox width="100%"  backgroundColor="#DDFADD" height="30" verticalAlign="middle">
   <!--空格组件-->
    <mx:Spacer width="100%"/>
    
    <mx:TextInput id="txtURL" width="400" x="{(mypanel.width-txtURL.width)/2}"/>
    
    <mx:Button label="转到" id="btnTo" click="gotoURL();"/>
    
    <mx:Spacer width="100%"/>
   </mx:HBox>
   <mx:HTML id="myhtml" location="http://google.cn" width="100%" height="100%"/>
  </mx:VBox>
 </mx:Panel>

</mx:WindowedApplication>