function _deleteNode($id, $db)
{
//循环找出$node['id']的所有pid节点 条件 pid = id
$childNode = $db->where(array('pid' => $id))->select();
if (!empty($childNode)) {
foreach ($childNode as $v) {
_deleteNode($v['id'], $db);
}
}
$bool = $db->where(array('id' => $id))->delete();
return $bool;
}
/**
* 删除节点与此节点的所有子节点
* 并删除赋予此节点的所有权限
*/
function _deleteNode($node, $db)
{
//循环找出$node['id']的所有pid节点 条件 pid = id
foreach ($node as $v) {
$childNode = $db->where(array('pid' => $v['id']))->select();
if ($childNode) {
_deleteNode($childNode, $db);
}
$db->where(array('id' => $v['id']))->delete();
if (M('access')->where(array('node_id' => $v['id']))->select()) {
M('access')->where(array('node_id' => $v['id']))->delete();
}
}
return true;
}
public function deleteCateAction()
{
if (!$_GET['id']) {
$this->error('页面不存在', U('index'));
}
$id = $_GET['id'];
$db = M('cate');
$bool = _deleteNode($id, $db);
if (!$bool) {
$this->error('删除失败', U('index'));
}
$this->success('删除成功', U('index'));
}
public function deleteNodeAction()
{
if (!IS_AJAX) {
return;
}
$id = I('id', '', 'intval');
$db = M('node');
//$true = M('node')->where(array('id' => $id))->delete();
//取出返回的node->id;若删除此节点则删除此节点下的所有子节点==>递归。。。
$node = $db->where(array('id' => $id))->select();
$true = _deleteNode($node, $db);
//echo $true;die;
if ($true) {
redirect(U('Admin/Rbac/Node'));
die;
} else {
$this->error();
}
}
