* @static
    * @access public
    +----------------------------------------------------------
    * @return string
    +----------------------------------------------------------
    */
    static function setGcProbability($gcProbability = null)
    {
        $return = ini_get('session.gc_probability');
        if (isset($gcProbability) && is_int($gcProbability) && $gcProbability >= 1 && $gcProbability <= 100) {
            ini_set('session.gc_probability', $gcProbability);
        }
        return $return;
    }
    /**
    +----------------------------------------------------------
    * 当前Session文件名
    +----------------------------------------------------------
    * @access public
    +----------------------------------------------------------
    * @return string
    +----------------------------------------------------------
    */
    static function getFilename()
    {
        return Session::path() . '/sess_' . session_id();
    }
}
//类定义结束
Session::_init();