自己写的分页条(2)

  <mx:Metadata>
  [Event(name="ChangeClickHandle", type="com.greenleaf.util.pagebar.event.ChangePageEvent")]
 </mx:Metadata>
 <mx:Script>
  <![CDATA[
   import com.greenleaf.util.WorkFlowConst;
   import mx.rpc.remoting.RemoteObject;
   import com.greenleaf.util.pagebar.event.ChangePageEvent;
    [Bindable]private var currentPage:int;//当前页
    [Bindable]private var sumPage:int;//总页数
    [Bindable]private var totalRecords:Number=0;//总记录数
    private var pageSize:int=WorkFlowConst.SIZE_PER_PAGE;
    public  function init(records:Number):void{
     pageSize=pageSizePer.value;
     totalRecords=records;
     if (totalRecords != 0)
     {
      sumPage = Math.ceil(totalRecords / pageSize);
      currentPage = 0;
     }
     else
     {
      currentPage = 0;
      sumPage = 0;
     }
    }
    private function queryData(whichPage:int):void{
     pageSize=pageSizePer.value;
     sumPage = Math.ceil(totalRecords / pageSize);
     if (whichPage >= 0 && whichPage < sumPage){
      currentPage=whichPage;
      var startIndex:int = whichPage * pageSize;
      var event:Event = new ChangePageEvent("ChangeClickHandle");
      (ChangePageEvent(event))._pagecode = startIndex;
      (ChangePageEvent(event))._pagesum = pageSize;
      (ChangePageEvent(event))._currentPage = currentPage + 1;
      dispatchEvent(event);
     }
    }
  ]]>
 </mx:Script>