/** * 获取实例 * @access public * @return XF_View_Helper_Header_Stylesheet */ public static function getInstance($stylesheet = null) { if (self::$_instance === null) { self::$_instance = new self(); } if (XF_Functions::isEmpty($stylesheet) === false) { self::$_instance->append($stylesheet); } return self::$_instance; }
/** * 获取Stylesheet * @param string $var * @return XF_View_Helper_Header_Stylesheet */ public function headeStylesheet($var) { return XF_View_Helper_Header_Stylesheet::getInstance($var); }