复制代码代码如下:php private function _deleteSubNode($ids){$subNodes = array();$mod = D('Node');foreach (explode ( ',', $ids ) as $k){$res = $this->_getSubNode($k,$subNodes[$k],$mod); //获取子节点if(!empty($res[0])){foreach($res as $k => $nid){$mod->where('id = '.$nid)->delete(); //删除子节点}}}return ;}private function _getSubNode($id, &$arr,$mod){$condition = array ('pid' => array ('eq', $id ));$ret = $mod->where($condition)->getField('id');if(!empty($ret[0])){foreach ($ret as $k => $node){$arr[] = $node['id'];$this->_getSubNode($node['id'], $arr, $mod);}}return $arr;}?>
PHP 循环删除无限分类子节点的实现代码
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