大型模式文件的xml架构验证(xml schema validation for large schema files)

 你是什​​么意思，你有屏幕上的所有组件，你必须在一分钟内一次ping每个组件？ 
 
 如果您认为您的应用是平安的，那么会检查网址的时间响应，然后您可以尝试使用此代码进行操作： 
 
var ldr:URLLoader = new URLLoader();
ldr.addEventListener(HTTPStatusEvent.HTTP_STATUS, ldrStatus);

var url:String = "URL-TO-SITE";
var limit:int = 10;

var time_start:Number;
var time_stop:Number;
var times:int;

ping();

function ping():void
{
    trace("pinging", url);

    times = 0;
    doThePing();
}

function doThePing():void
{
    time_start = getTimer();
    ldr.load(new URLRequest(url));
}

function ldrStatus(evt:*):void
{
    if(evt.status == 200)
    {
        time_stop = getTimer();
        trace("got response in", time_stop - time_start, "ms");
    }

    times++;
    if(times < limit) doThePing();
}
 
 这没什么特别的， URLLoader尝试加载url，并监听响应。 如果status是200 ，那么获得了成功的“ping”。 或者乒乓球。 
 
 另一方面，您可以随时运行服务器端的ping程序，并使用flash进行控制。 
 
 如果你的意思是一个应用程序，比如上传下载速度测试程序，它也是以类似的方式开始的，而不是使用Loader对象。 
 
 希望这可以帮助。 
 
 编辑： 
 
 防止缓存问题，您可以使用： 
 
ldr.load(new URLRequest(url + "?rnd="+Math.random()));
 
 现在，此页面可能不会返回网站的确切内容，但可能足以估计响应时间。 用闪光灯。 
 
 总的来说，这可以清除缓存并每次加载站点以提供更好的结果。 

What do you mean by you have all the components on the screen and you have to ping every component once in a minute?
 
If by ping you mean an app, what checks the time-response of a url, then you can try to play with this code:
 
var ldr:URLLoader = new URLLoader();
ldr.addEventListener(HTTPStatusEvent.HTTP_STATUS, ldrStatus);

var url:String = "URL-TO-SITE";
var limit:int = 10;

var time_start:Number;
var time_stop:Number;
var times:int;

ping();

function ping():void
{
    trace("pinging", url);

    times = 0;
    doThePing();
}

function doThePing():void
{
    time_start = getTimer();
    ldr.load(new URLRequest(url));
}

function ldrStatus(evt:*):void
{
    if(evt.status == 200)
    {
        time_stop = getTimer();
        trace("got response in", time_stop - time_start, "ms");
    }

    times++;
    if(times < limit) doThePing();
}
 
This is nothing special, the URLLoader tries to load the url, and listens to the response. If the status is 200, then got a successful "ping". Or pong.
 
On the other hand, you can always run a server-side ping program, and control that with flash.
 
If you mean an app, like an upload-download-speedtester, that also starts with something like this, but rather with the Loader object.
 
Hope this helps.
 
EDIT:
 
Preventing cache problems, you can use:
 
ldr.load(new URLRequest(url + "?rnd="+Math.random()));
 
Now, this page might not give back the exact content of a site, but might be good enough to estimate the response time. With flash.
 
So overall, this could clear the cache and load the site everytime to give a better result.