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> <br> <pre></pre>