public function render($uid = 0, $page = 1, $tab = null, $count = 10)
 {
     !$tab && ($tab = 'q');
     !$uid && ($uid = is_login());
     //查询条件
     $map['uid'] = $uid;
     $this->assign('uid', $uid);
     if ($tab == 'q') {
         $map['status'] = 1;
         list($list, $totalCount) = $this->_getList($map, $page, $count);
         $this->assign('tab', 'q');
     } else {
         $questionAnswerModel = new QuestionAnswerModel();
         list($list, $totalCount) = $questionAnswerModel->getMyListPage($uid, $page, 'support desc,create_time desc', $count, '*');
         $user = query_user(array('uid', 'nickname', 'space_url'));
         $this->assign('user', $user);
         $this->assign('tab', 'a');
     }
     /* 模板赋值并渲染模板 */
     $this->assign('question_list', $list);
     $this->assign('totalCount', $totalCount);
     $this->display(T('Question@Widget/ucenterblock'));
 }