/**
  * 每日注册统计图数据
  * @param date $sdate  
  * @param date $edate  
  * @param int $station 
  */
 public function RegData($sdate, $edate, $station)
 {
     $sdate = str_replace('-', '_', $sdate);
     $edate = str_replace('-', '_', $edate);
     $obj = new Psys_StationRule();
     return $obj->RegData($sdate, $edate, $station);
 }