/**
* @return array
* @throws Exception
*/
function get_nav()
{
if ($this->_nav === null) {
$mo = new Model_Option();
$nav = $mo->get_one_by_keyword(Module_Page_Manager::SAVE_KEY_NAV);
if ($nav[Const_DataAccess::MREK_ERRNO] != Const_Err_Base::ERR_OK) {
throw new Exception(Lib_Helper::format_err_struct($nav), $nav[Const_DataAccess::MREK_ERRNO]);
}
$this->_nav = $nav[Const_DataAccess::MREK_DATA]['value'];
}
return $this->_nav;
}
/**
* @param string $key
*/
static function render_help_page($key)
{
if (!isset(self::$_action_list[$key])) {
self::_error_and_redirect('不存在此页', '/');
}
$actions = self::$_action_list[$key];
$keyword = $actions[self::KEYWORD];
$model_option = new Model_Option();
$data = $model_option->get_one_by_keyword($keyword);
$content = [];
if ($data['errno'] == Const_Err_Base::ERR_OK) {
$content = $data['data'];
} elseif ($data['errno'] != Const_Err_Db::ERR_MONGO_FINDONE_EMPTY) {
self::_error_and_redirect(Lib_Helper::format_err_struct($data), '/');
}
$content = isset($content['value']) ? $content['value'] : '';
if (trim($content) != '') {
$content = str_replace("\r", '', $content);
$content = str_replace("\n", '\\n', $content);
$content = htmlentities($content);
}
$render_data = ['help_title' => $actions[self::TITLE], 'submit_action' => Module_HttpRequest_Router::site_url($actions[self::SUBMIT_URL]), 'md_content' => $content];
Module_Page_Main::render('help/markdown', $render_data);
}
