When deleting a parent node in Infinitus Classification, all child nodes of the parent node will be deleted.

where($depth)->field('id')->select();
		//查询需要删除的所有子id
		if($ids){
			$arr=array();
			foreach($ids as $key=>$vo){
				$arr[]=$vo['id'];
			}
		}
		if($arr){
			$str=implode(',', $arr);
			$depth['id']=array('in',$str);
			$update['status']=0;
			$res=$this->where($depth)->save($update);
			if($res){
				echo '删除成功';
			}else{
				echo '删除失败';
			}
		}else{
			echo '删除失败';
		}
	}