code: public function getUserSelect()
      {
          $list = $this->model->select();
          $user_select = [];
          foreach ($list as $vo) {
              $user_select[$vo['id']] = [
                  'name' => $vo['user_name'] . '(' . $vo['user_nick'] . ')',
                  'value' => $vo['id']
              ];
          }
          return $user_select;
      }
docs: 用户下拉选择
  
  @return array