Flex 获取每月第几周小例子

pre name="code" class="html">private function calcWeekTotal(showDate:Date):Array{ 
        showDate = DateFormatter.parseDateString("2013-04-01"); 
        //获取本月1好的日期 
        var oneDate:Date = new Date(showDate.fullYear,showDate.month,1); 
        //本月第一周星期一的日期 
        var oneWeekDate:int = 7 - oneDate.day + 2; 
        //本月共几天 
        var totalDay :int= new Date(showDate.fullYear,showDate.month,0).date; 
        var totalWeek:int = (totalDay - oneWeekDate + 1) % 7 == 0 ? 
          (totalDay - oneWeekDate + 1) /7:(totalDay - oneWeekDate + 1) /7 + 1; 
        trace(totalWeek); 
        //当前日期在本月第几周 
        var currentWeek:int = new int((showDate.date - oneWeekDate)/7) + 1; 
        if(currentWeek == 0){ 
          //上个月最后一周 
        } 
         
        var arr:Array = new Array(); 
        arr[0] = totalWeek; 
        arr[1] = currentWeek; 
        return arr; 
      }/pre>br> 
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pre>/pre>