case 'upgrade':
            if (method_exists($newclass, 'upgrade')) {
                $return = $newclass->upgrade($modlist[$classname]);
            }
            $modlist[$classname] = $newclass->version;
            $msg = '指定扩展升级成功!';
            break;
    }
    if (is_array($return)) {
        list($return, $msg2) = $return;
    }
    $msg = $msg2 ? $msg2 : ($return === FALSE ? '操作失败!' : $msg);
    if ($return === FALSE) {
        cpmsg($msg, 'action=plugins&operation=config&identifier=dsu_medalCenter&pmod=admin_extend', 'error');
    } else {
        dsuMedal_saveOption('modlist', $modlist);
        cpmsg($msg, 'action=plugins&operation=config&identifier=dsu_medalCenter&pmod=admin_extend', 'succeed');
    }
} else {
    showtips('<li>安装新的扩展,需将扩展脚本程序上传到 source/plugin/dsu_medalCenter/include/script/ 目录,然后即可在以下列表中安装并使用了</li><li>积分购买模块为勋章中心运行必要模块,无法移除</li>');
    showtableheader('');
    showsubtitle(array('名称', '版本号', '版权信息', ''));
    $dir = dir(DISCUZ_ROOT . './source/plugin/dsu_medalCenter/include/script/');
    while (false !== ($entry = $dir->read())) {
        if (substr($entry, 0, 7) != 'script_' || substr($entry, -4) != '.php') {
            continue;
        }
        include DISCUZ_ROOT . './source/plugin/dsu_medalCenter/include/script/' . $entry;
        $classname = substr($entry, 0, -4);
        if (class_exists($classname)) {
            $newclass = new $classname();
 private function _MedalCount($_medalid = 0, $inc = false)
 {
     global $medalid;
     $_medalid = $_medalid ? $_medalid : $medalid;
     $data = dsuMedal_getOption($_medalid, 'script_czw_limit');
     $count = $data ? $data['data'] : 0;
     if ($inc) {
         dsuMedal_saveOption($_medalid, ++$count, 'script_czw_limit');
     }
     return $count;
 }