Example #1
0
 /**
  * 设置每页起止记录位置
  * @param $size
  * @return unknown_type
  */
 public static function setFromTo($size = 0)
 {
     if (empty(self::$page)) {
         self::setPage();
     }
     if (!empty($size)) {
         self::$size = $size;
     }
     self::$from = (self::$page - 1) * self::$size;
     self::$to = self::$from + self::$size;
     if (self::$to > self::$rows) {
         self::$to = self::$rows;
     }
 }