else if($action=='addenum_save')
{
    if(empty($ename) || empty($egroup))
    {
        Showmsg("类别名称或组名称不能为空！", "-1");
        exit();
    }
    if($issign == 1 || $topvalue == 0)
    {
        $enames = explode(',', $ename);
        foreach($enames as $ename)
        {
            $arr = $dsql->GetOne("SELECT * FROM `dede_sys_enum` WHERE egroup='$egroup' AND (evalue MOD 500)=0 ORDER BY disorder DESC ");
            if(!is_array($arr)) $disorder = $evalue = ($issign==1 ? 1 : 500);
            else $disorder = $evalue = $arr['disorder'] + ($issign==1 ? 1 : 500);

            $dsql->ExecuteNoneQuery("INSERT INTO `dede_sys_enum`(`ename`,`evalue`,`egroup`,`disorder`,`issign`)
                                    VALUES('$ename','$evalue','$egroup','$disorder','$issign');");
        }
        WriteEnumsCache($egroup);  
        ShowMsg("成功添加枚举分类！".$dsql->GetError(), $ENV_GOBACK_URL);
        exit();
    } 
    else if ($issign == 2 && $topvalue != 0)
    {
        $minid = $topvalue;
        $maxnum = 500; // 三级子类最多500个
        $enames = explode(',', $ename);
        foreach ($enames as $ename)
        {
            $arr = $dsql->GetOne("SELECT * FROM `dede_sys_enum` WHERE egroup='$egroup' AND evalue LIKE '$topvalue.%%%' ORDER BY evalue DESC ");
            if(!is_array($arr))
            {
                $disorder = $minid;
                $evalue = $minid.'.001';
            }
            else
            {
                $disorder = $minid;
                preg_match("#([0-9]{1,})\\.([0-9]{1,})#", $arr['evalue'], $matchs);
                $addvalue = $matchs[2] + 1;
                $addvalue = sprintf("%03d", $addvalue);
                $evalue = $matchs[1].'.'.$addvalue; 
            }
            $dsql->ExecuteNoneQuery("INSERT INTO `dede_sys_enum`(`ename`,`evalue`,`egroup`,`disorder`,`issign`)
                                    VALUES('$ename','$evalue','$egroup','$disorder','$issign')");
        }
        WriteEnumsCache($egroup);
        ShowMsg("成功添加枚举分类！".$dsql->GetError(), $ENV_GOBACK_URL);
        exit();
    }
}