protected static function show_with_layout($_layout_name)
{
if ($_layout_name === null) {
$_controller = get_called_class();
if (property_exists($_controller, 'layout')) {
if ($_controller::$layout === null) {
throw new developer_error('default layout cannot be null (which itself means use default layout...)');
}
$_layout_name = $_controller::$layout;
} else {
$_layout_name = false;
}
}
ob_start();
if ($_layout_name === false) {
self::content();
} else {
parent::$layout_pss = parent::$layout_pjs = $_layout_name;
// layout tpl 里会调 self::content()
echo self::render_tpl('layout/' . $_layout_name . '.tpl', context::get_escaped(), false);
}
$_html = ob_get_clean();
if (parent::$skeleton !== false) {
ob_start();
// skeleton 对应的 tpl 里会 echo $_html;
require view_dir . '/skeleton/' . parent::$skeleton . '.tpl';
self::send(ob_get_clean());
} else {
self::send($_html);
}
}
