/**
* 检查发布的栏目是否有效.
*
* @access private
* @param integer $catId 栏目 ID.
* @return array 无效时抛异常.
*/
private function _checkCategory($catId)
{
$catId = (int) $catId;
if ($catId < 1) {
throw new \Exception(Message::get(Message::PARAM_ERROR), Message::PARAM_ERROR);
}
// 数据库检查城市和栏目 ID 是否有效.
$modelCategory = new CtgClassModel();
// 栏目模型.
$categoryInfo = $modelCategory->fetchInfo($catId);
unset($modelCategory);
if (empty($categoryInfo)) {
throw new \Exception(Message::get(Message::PARAM_ERROR), Message::PARAM_ERROR);
}
return $categoryInfo;
}
