```php //转换分类 public function convert_cate(){ $page = input('page') ? input('page') : 1 ; $pageSize = 10; $start = ($page-1)*$pageSize; $where = array(); $info = \think\Db::table('blog_categories')->where($where)->limit($start . ','.$pageSize)->order('cateid asc')->select(); //dump($info);die; ...