flex如何实现 cookie功能

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

    <mx:Script>
        <![CDATA[
            import flash.net.navigateToURL;
           
            private function submit():void
            {
                var obj:SharedObject=SharedObject.getLocal("user","/");
               
                obj.data.username=txtName.text;
                obj.data.password=txtPassword.text;
                obj.flush();
               
                navigateToURL(new URLRequest("Recieve.html"));
            }
        ]]>
    </mx:Script>
   
    <mx:TextInput id="txtName" x="197" y="95"/>
    <mx:TextInput id="txtPassword" x="197" y="151"/>
    <mx:Button x="238" y="216" label="Button" click="submit()"/>
   
</mx:Application>


接收页（Recieve.mxml）:
<?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 function init():void
            {
                var objRec:SharedObject=SharedObject.getLocal("user","/");
               
                lblName.text=objRec.data.username;
                lblPassword.text=objRec.data.password;
            }
        ]]>
    </mx:Script>

    <mx:Canvas x="229" y="43" width="200" height="200" backgroundColor="#FFFFFF">
        <mx:Label id="lblName" x="10" y="10" text="Label"/>
        <mx:Label id="lblPassword" x="10" y="36" text="Label"/>
    </mx:Canvas>
   
</mx:Application>