protected function getData($field, $order, $limit, $offset)
 {
     Wind::import('SRV:user.vo.PwUserSo');
     $so = new PwUserSo();
     $field['uids'] && $so->setUid($field['uids']);
     $field['gid'] != '-1' && $so->setGid($field['gid']);
     if ($field['gender']) {
         if (in_array(0, $field['gender']) && !in_array(1, $field['gender'])) {
             $so->setGender(0);
         } elseif (!in_array(0, $field['gender']) && in_array(1, $field['gender'])) {
             $so->setGender(1);
         }
     }
     $field['hometown']['id'] && $so->setHometown($field['hometown']['id']);
     $field['location']['id'] && $so->setLocation($field['location']['id']);
     $orderby = $field['orderby'];
     switch ($orderby) {
         case '2':
             //按主题数倒序,
             $so->orderbyPostnum(false);
             break;
         case '3':
             //按发帖时间倒序,
             $so->orderbyLastpost(false);
             break;
         case '4':
             //按被喜欢数倒序,
             break;
         case '5':
             //按注册时间倒序,
             $so->orderbyRegdate(false);
             break;
         case '6':
             // 按访问时间倒序,
             $so->orderbyLastvisit(false);
             break;
         case '1':
             //系统推荐排序
         //系统推荐排序
         default:
             break;
     }
     $list = Wekit::load('user.PwUserSearch')->searchUserAllData($so, $limit, $offset);
     return $this->_buildSignKey($list);
 }
 /**
  * 根据规则获取推荐关注 | 先从在线用户取数据,大站20个在线用户总有的吧,20个在线用户都没有,那就慢查吧根据发帖数
  * 
  * @param $uid 
  * @param $num 
  * @return array
  */
 public function getRecommendAttention($uid, $num)
 {
     $uids = $this->getOnlneUids(20);
     $onlineCount = count($uids);
     if ($onlineCount < $num) {
         $num = $num - $onlineCount;
         Wind::import('SRV:user.vo.PwUserSo');
         $vo = new PwUserSo();
         $vo->orderbyPostnum(true);
         $searchDs = Wekit::load('SRV:user.PwUserSearch');
         $result = $searchDs->searchUser($vo, $num);
         $uids = array_merge($uids, array_keys($result));
     }
     return array_unique(array_diff($uids, array($uid)));
 }