
$sql ="select * from ec_admin_role where ar_state=1 order by ar_level";
$roles = $g_db->getAll($sql);
$g_db->close();
$list=roletree($roles,0);//调用函数按父级id进行排序
foreach($list as $k=>$v) {
$list[$k]['ar_name'] = str_repeat('----',$v['ar_level']).$v['ar_name'].'<br>';
}
//将角色经排序
function roletree($arr,$id=0) {
$subs = array(); // 子孙数组
foreach($arr as $v) {
if($v['ar_parent_id'] == $id) {
$subs[] = $v;
$subs = array_merge($subs,roletree($arr,$v['ar_id']));
}
}
return $subs;
}然后在静态页面循环输出,效果如下:

显示效果谁添加下级,那个下级就紧挨着谁
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