public function Login()
 {
     if (!empty($_POST)) {
         // var_dump($_POST);
         // die();
         //实例化数据表
         $read = new \Model\ReaderModel();
         //调用tp框架的验证方法
         $login = $read->checkNamePwd($_POST['re_username'], $_POST['re_pwd']);
         if ($login) {
             //验证成功,持久化session信息
             session("re_id", $login['re_id']);
             session("re_username", $login['re_username']);
             // echo "登陆成功!";
             //跳转页面
             $this->redirect("Index/index", array(), 0, "登陆成功!");
             // var_dump(session());
         } else {
             echo "<script type='text/javascript'>alert('用户名或密码不正确!');history.back();</script>";
             die;
         }
     }
 }
 public function readerInfo($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");
 }