版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/u012767761/article/details/84561834
<?php
namespace Admin\Model;
use Think\Model;
class CateModel extends Model {
protected $_validate = array(
array('catename','require','管理员名称不得为空！',1),
);
public function catetree(){
$data=$this->order('id desc')->select();
return $this->resort($data);
}
public function resort($data,$pid=0,$level=0){
static $arr=array();
foreach ($data as $k => $v) {
if ($v['pid']==$pid) {
$v['level']=$level;
$arr[]=$v;
$this->resort($data,$v['id'],$level+1);
}
}
return $arr;
}
}