public function test()
 {
     //        $this->show('<html><form action="'.U('Publish/upload').'" method="post" enctype="multipart/form-data"><input name="a" type="file"><input type="submit" value="上传"></form>','utf-8');
     var_dump(I('session.'));
     if (checkSuperUser()) {
         echo 'true';
     } else {
         echo 'false';
     }
 }
 /**
  * 搜索用户
  */
 public function searchUser()
 {
     $type = I('post.type', 'name');
     $search_content = I('post.search', '');
     if (empty($search_content)) {
         $this->ajaxReturn("请输入内容!");
         return;
     }
     $type_array = array('name', 'stuid', 'phone', 'identity');
     if (!in_array($type, $type_array)) {
         $type = 'name';
     }
     $user = M('user_member');
     switch ($type) {
         case 'name':
             $type = 'real_name';
             break;
         case 'stuid':
             $type = 'stu_num';
             break;
         case 'phone':
             $type = 'phone';
             break;
         case 'identity':
             $type = 'stu_idcard';
             break;
         default:
             $type = 'name';
             break;
     }
     $condition = array($type => array('like', '%' . $search_content . '%'));
     $result = $user->where($condition)->select();
     $filter = array();
     $resultFiltered = array();
     if (checkSuperUser()) {
         $filter = array('real_name', 'gender', 'email', 'stu_num', 'stu_idcard', 'phone');
         //phone 字段数据库没有,待添加。
     } else {
         $filter = array('real_name', 'gender', 'email', 'stu_num');
     }
     foreach ($result as $key => $value) {
         $resultFiltered[$key] = $this->arrayFilter($value, $filter, false);
     }
     $this->ajaxReturn($resultFiltered);
 }