我一直在思考的一個小問題,我有一個從網址加載文本的類作爲同步時間的方法。AS3:共享對象問題
swf文件可以在同一頁面多次,但我希望它檢查是否有一個瑞士法郎同步,如果是的話,等待它完成並加載其sync'd值(而不是查詢url本身),以便它們都被同步到相同的值(要加載的第一個swf文件)。
我想這個使用共享對象,這看起來有點像這樣(摘錄):
public function sync():void
{
sharedObject = SharedObject.getLocal("synctime", "/");
trace(sharedObject.data.startOfRequest, sharedObject.data.endTime);
if (((new Date().getTime() - 10000) < sharedObject.data.startOfRequest) && (sharedObject.data.endTime !== undefined))
{
loadUTCFromSharedObject();
}
else if (((new Date().getTime() - 10000) < sharedObject.data.startOfRequest) && (sharedObject.data.endTime == undefined))
{
timer.addEventListener(TimerEvent.TIMER, loadUTCFromSharedObject);
timer.addEventListener(TimerEvent.TIMER_COMPLETE, startSync);
timer.start();
} else {
startSync()
}
}
private function startSync(e:Event = null)
{
var syncRequest:URLRequest = new URLRequest(TIMEURL + "?cb=" + Math.random());
var syncTimeLoader:URLLoader = new URLLoader();
syncTimeLoader.dataFormat = URLLoaderDataFormat.TEXT;
syncTimeLoader.addEventListener(Event.COMPLETE, syncTimeComplete);
syncTimeLoader.addEventListener(IOErrorEvent.IO_ERROR, syncTimeFailed);
sharedObject.clear();
startOfRequest = new Date();
sharedObject.data.startOfRequest = startOfRequest.getTime();
sharedObject.flush();
syncTimeLoader.load(syncRequest);
}
private function loadUTCFromSharedObject(e:Event = null):void
{
var sharedObjectCheck:SharedObject = SharedObject.getLocal("synctime", "/");
trace (sharedObject.data.endTime, sharedObjectCheck.data.endTime);
if (sharedObject.data.endTime !== undefined)
{
timer.removeEventListener(TimerEvent.TIMER, loadUTCFromSharedObject);
timer.removeEventListener(TimerEvent.TIMER_COMPLETE, startSync);
dispatchEvent(new LoadUTCTimeEvent(LoadUTCTimeEvent.SYNC_COMPLETE, null, null, sharedObject, true));
trace(sharedObject.data.UTCOffset);
}
}
private function syncTimeComplete(event:Event):void
{
var loadedText:URLLoader = URLLoader(event.target);
dispatchEvent(new LoadUTCTimeEvent(LoadUTCTimeEvent.SYNC_COMPLETE, loadedText.data, startOfRequest, sharedObject, false));
}
事件調度:
public function LoadUTCTimeEvent(eventStatus:String, timeString:String = null, startOfRequest:Date = null, sharedObject:SharedObject = null, loadFromSharedObject:Boolean = false):void
{
super(eventStatus);
if (eventStatus == SYNC_COMPLETE) {
if (loadFromSharedObject == true) {
time = sharedObject.data.syncTime;
UTCOffset = sharedObject.data.UTCOffset;
}
else
{
//...snip....//
sharedObject.data.UTCOffset = UTCOffset;
sharedObject.data.syncTime = time;
sharedObject.data.endTime = curDate.getTime();
sharedObject.flush(1000);
}
}
}
我得到的問題是,第一SWF創建sharedobject很好,但第二個將endTime作爲undefined讀取,除非我刷新頁面(即它不接收實時更改)。這種方法不可行嗎,我應該再試一次嗎?
在此先感謝。
編輯:決定將另一個棧來解釋多一點:(as3) Sync data between 3 or more identical flash objects on the same page
沒有我想嘗試的東西,想保持在Flash文件中的控制,沒有任何其他的外部interation。 – Andy 2010-01-14 12:11:27