flex显示数字时钟和日期

private function init():void{
var timer:Timer = new Timer(1000);
timer.addEventListener(TimerEvent.TIMER, this.resetTime);
timer.start();
}

private function resetTime(event:TimerEvent):void{
var today:Date = new Date();
var dateFormatter:DateFormatter = new DateFormatter();
var timeFormatter:DateFormatter = new DateFormatter();
dateFormatter.formatString = "YYYY年MM月DD日";
timeFormatter.formatString = "HH:NN:SS";
var time:String = timeFormatter.format(today);
var date:String = dateFormatter.format(today);
var week:Number = today.day;
var weekStr:String = "星期";
switch(week){
case 0: weekStr += "日";
break;
case 1: weekStr += "一";
break;
case 2: weekStr += "二";
break;
case 3: weekStr += "三";
break;
case 4: weekStr += "四";
break;
case 5: weekStr += "五";
break;
case 6: weekStr += "六";
break;
}
this.lb_date.text = date + " " + weekStr;
this.lb_time.text = time;
}

<mx:Label text="" width="150" height="21" right="111" top="9" id="lb_date"/>
<mx:Label text="" width="80" height="21" right="28" top="9" id="lb_time"/>