flex远程下载文件实例(入门版)

<?xml version="1.0" encoding="utf-8"?> 
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
creationComplete="init();">

    <mx:Script> 
        <![CDATA[ 
            private var fileRef:FileReference; 
            private var urlRequest:URLRequest; 
            private var netFile:String = "http://www.google.cn/intl/zh-CN/images/logo_cn.gif"; 
             
            private function init():void{ 
                urlRequest = new URLRequest(netFile); 
                fileRef = new FileReference(); 
            } 
             
            private function downLoad(event:MouseEvent):void{ 
                fileRef.download(urlRequest); 
            }
            
        ]]> 
    </mx:Script>
  
    <mx:Button id="downBtnID" x="400" y="50" label="开始下载" click="downLoad(event);"/>
    
</mx:Application>