public function reader()
 {
     //获取读者信息
     $reader = new \Model\ReaderModel();
     //分页效果
     $total = $reader->count();
     $per = 3;
     $pages = new \Tools\page($total, $per);
     $read_info = $reader->query("select a.re_id,a.re_name,a.re_code,b.rt_name,c.pa_type,a.re_number,a.re_tel,a.re_email,a.re_num from li_reader as a left join li_readertype as b on a.re_typeid=b.rt_id left join li_papers as c on a.re_paperid=c.pa_id {$pages->limit}");
     $pagelist = $pages->fpage(array(3, 4, 5, 6, 7, 8));
     //载入smarty模板
     $this->assign("read_info", $read_info);
     $this->assign("pagelist", $pagelist);
     $this->display();
 }