public function indexAction() { //http://www.xiguxigu.com/g/1 $gid = $this->param('gid'); $group = GroupData::getById($gid); if (!$group) { $url = ComTool::url("index"); ComTool::redirect($url); } //根据群组id获取群组支持的分类,一级和二级 $cats = CategoryData::groupCategorys($gid); $this->assign('cats', $cats); $this->assign('group', $group); $this->display(); }