import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
import mx.utils.Base64Encoder;
import mx.rpc.http.HTTPService;
URLRequestDefaults.authenticate = false;//设默认为false，否则用户较验错误时会弹出验证框

private var result:XML;
private function initApp():void
{
	var base64enc:Base64Encoder = new Base64Encoder;
	base64enc.encode("user:password"); //用户名和密码需要Base64编码
	var user:String = base64enc.toString();

	var http:HTTPService = new HTTPService;
	http.addEventListener(ResultEvent.RESULT,resultHandler);//监听返回事件
	http.addEventListener(FaultEvent.FAULT,faultHandler);     //监听失败事件
	http.resultFormat = "e4x";//返回格式
	http.url = "http://api.digu.com/statuses/friends_timeline.xml"; 以嘀咕网的API为列
	http.headers = {"Authorization":"Basic " + user};
	http.send();
}
private function resultHandler(e:ResultEvent):void
{
	result = XML(e.result);
	test.dataProvider = result.status;//绑定数据
}
private function faultHandler(e:ResultEvent):void
{
	//处理失败
}