var httpservice:HTTPService = new HTTPService();

httpservice.method = "post";

httpservice.url = qurl;这里填写请求的服务地址，例如http://typhoon.weather.com.cn/data/typhoondata/2016/list.xml



httpservice.addEventListener(FaultEvent.FAULT, onlineFaultHandler);

httpservice.addEventListener(ResultEvent.RESULT, onlineResultHandler);

httpservice.send();

private function onlineResultHandler(event:ResultEvent):void
{

if(event.result)
{
//然后对得到的结果进行解析即可。

}

}