grails+flex写hello

\项目名grails-app\services

class HelloService {

    boolean transactional = true

    static expose = ['flex-remoting']

    def hello() {
        return "Hello World!!!"
    }

}

在就是flex这边

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">

    <mx:RemoteObject id="ro" destination="helloService"/>
	
    <mx:Button label="Hello" click="ro.hello()"/>
    <mx:TextInput text="{ro.hello.lastResult}"/>
	
</mx:Application>

本人也是刚刚学希望大家多多交流

不知道为什么访问mxml编译出的xxx.html不行，而访问xxx.mxml就可以