AS3如何獲取URLRequest以在設置的間隔中重複動作

Question

我正在運行下面的AS3以將「.txt」文件加載到內置於Flash CS5中的Adobe Air桌面應用程序消息板。我有一個計時器設置爲運行並重復該過程，基本上是爲了再次運行代碼，並且它正在觸發NotificationType.Crtitical。即使沒有加載新文件。

我該如何使URLRequest重複，比方說每120000毫秒尋找新文件？如果文件是新的加載文件並通知用戶，如果文件不是新的只是忽略？

var loader:URLLoader = new URLLoader(new URLRequest("https://my_text_file.txt")); 
loader.addEventListener(Event.COMPLETE, completeHandler); 

function completeHandler(event:Event):void { 
var loadedText:URLLoader = URLLoader(event.target); 
if(myText_txt.htmlText!=loadedText.data){ 
    myText_txt.htmlText = loadedText.data; 
     mainWindow.notifyUser(NotificationType.CRITICAL) 
}else { 
    //do nothing 
} 

}

感謝新AS3

Answer 1

var myInterval:uint = setInterval (loadUrl, 120000); 
var loader:URLLoader = new URLLoader(new URLRequest("https://my_text_file.txt")); 
loader.addEventListener(Event.COMPLETE, completeHandler); 

function completeHandler(event:Event):void { 
    var loadedText:URLLoader = URLLoader(event.target); 
    if(myText_txt.htmlText!=loadedText.data){ 
     myText_txt.htmlText = loadedText.data; 
     mainWindow.notifyUser(NotificationType.CRITICAL) 
    }else { 
     //do nothing 
    } 
} 

function loadUrl():void { 
     loader = new URLLoader(new URLRequest("https://my_text_file.txt")); 
loader.addEventListener(Event.COMPLETE, completeHandler); 
}