SDb::getConfig PHP Method

    static function getConfig($zone = null, $type = "main")
    {
        $config = SConfig::getConfig(self::$_config_file, $zone);
        if (isset($config->{$type})) {
            return $config->{$type};
        } elseif (isset($config->main)) {
            return $config->main;
        }
        return;
    }

 /**
  * @param string $dbini  在 config/db.ini.php中配置数据库连接
  */
 function __construct($dbini)
 {
     $this->_dbConfig = SDb::getConfig($dbini);
     $this->_db = SDb::getDbEngine("pdo_mysql");
     $this->_db->init($this->_dbConfig);
     $this->_time = time();
 }