$list = db('shougonggao')->paginate(5);
$page = $list->render();
// 模板变量赋值
$this->assign('list', $list);
$this->assign('page', $page);
// 渲染模板输出
return $this->fetch();
return $this->fetch('index/guanggaolist',[
'list'=>$list,
'page'=>$page
]);