PHP 循环删除无限分类子节点的实现代码

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@H_404_0@<div class="codetitle"><a style="CURSOR: pointer" data="1871" class="copybut" id="copybut1871" onclick="doCopy('code1871')"> 代码如下:

<div class="codebody" id="code1871">
<?PHP
private function deleteSubNode($ids){


@H
404_0@ $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;
}


@H
404_0@?>

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