zhangjingyu 
lib/forum/threads.class.php
“    function getAtUsers($tid,$pids) {
        $tid = intval($tid);
        if (!$tid || !S::isArray($pids)) {
            return false;
        }
        $data = $tmpData = $uids = array();
        $threadsAtDb = $this->_getThreadsAtDB();
        $threadAt = $threadsAtDb->gets($tid,$pids);
        if (!$threadAt) return $data;
        foreach ($threadAt as $v){
            $uids[] = $v['uid'];
            $tmpData[] = $v;
        }
        $uids = array_unique($uids);
        if ($uids) {
            $userService = L::loadClass('userservice','user');
            $userNames = $userService->getUserNamesByUserIds($uids);
        }
        if($userNames && $tmpData){
            foreach ($tmpData as $v) {
                $data[$v['pid']][] = $userNames[$v['uid']];
            }
        }
        return $data;
    }”（引用内容）