flash传值到php乱码怎么办

import flash.events.MouseEvent; import flash.net.URLRequest; import flash.net.URLLoader; import flash.events.Event; var url:String = "http://localhost/testing.php"; var req:URLRequest=new URLRequest(); bt.addEventListener(MouseEvent.CLICK,clickHd); function clickHd(e:MouseEvent) { req.url = url; req.method = URLRequestMethod.POST; var loaded:URLLoader=new URLLoader(); loaded.dataFormat = URLLoaderDataFormat.VARIABLES; loaded.addEventListener(Event.COMPLETE,completeHd); try { msg.text = "正在请求数据。。。"; } catch (err:Error) { msg.text = "错误，稍后再试"; } loaded.load(req); } function completeHd(e:Event) { msg.text = e.target.data; navigateToURL(req); }