public function readerInfo($re_id)
 {
     //实例化Model
     $info = new \Model\ReaderModel();
     $reader_info = $info->query("select a.re_id,a.re_name,a.re_code,a.re_sex,b.rt_name,c.pa_type,a.re_work,a.re_birthday,a.re_number,a.re_tel,a.re_email,a.re_remark from li_reader as a left join li_readertype as b on a.re_typeid=b.rt_id left join li_papers as c on a.re_paperid=c.pa_id where re_id={$re_id}");
     //载入smarty模板
     $this->assign("info", $reader_info);
     //载入视图
     $this->display("reader_info");
 }