Thinkphp无限级分类代码_php技巧

<?php class CateAction extends Action{ function index(){ $cate=M('Cate'); $list=$cate->field("id,name,pid,path,concat(path,'-',id) as bpath")->order('bpath')->select(); foreach($list as $key=>$value){ $list[$key]['count']=count(explode('-',$value['bpath'])); } $this->assign('alist',$list); $this->display(); }//添加栏目 function add(){ $cate=new CateModel();if($vo=$cate->create()){ if($cate->add()){ $this->success('添加栏目成功'); }else{ $this->error('添加栏目失败'); } }else{ $this->error($cate->getError()); } }} ?>

<?php class CateModel extends Model{//对应数据库中的表xp_cate protected $_auto=array( array('path','tclm',3,'callback'), );function tclm(){ $pid=isset($_POST['pid'])?(int)$_POST['pid']:0; echo ($pid); if($pid==0){ $data=0; }else{ $list=$this->where("id=$pid")->find(); $data=$list['path'].'-'.$list['id'];//子类的path为父类的path加上父类的id } return $data; } } ?>

 请选择父级栏目： 根栏目     {$vo['name']}   
 新的栏目名称：