public function index()
 {
     // 获取可访问站点
     $sites = logic('site')->getAccessibleSites();
     // 获取顶部可访问菜单
     $top_menu = logic('Menu')->getAccessibleTopMenu();
     $seo = get_site_seo_info();
     $role = model('Role')->find(session('user_info.role_id'));
     $_SESSION['user_info']['name'] = $role['name'];
     $site_info = get_site_info($this->siteid);
     $this->assign('seo', $seo);
     $this->assign('sites', $sites);
     $this->assign('site_info', $site_info);
     $this->assign('top_menu', $top_menu);
     $this->assign('user_info', session('user_info'));
     $this->display();
 }
<?php

if (!defined('THINK_PATH')) {
    exit;
}
$seo = get_site_seo_info();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" class="off">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7">
    <title><?php 
echo $seo['title'];
?>
 - 后台管理中心</title>
    <link href="/Public/css/admin/reset.css" rel="stylesheet" type="text/css">
    <link href="/Public/css/admin/zh-cn-system.css" rel="stylesheet" type="text/css">
    <script type="text/javascript" src="/Public/js/jquery-1.11.3.min.js"></script>
    <script type="text/javascript" src="/Public/js/jquery.cookie.js"></script>
    <script type="text/javascript" src="/Public/js/admin/admin_common.js"></script>
    <style type="text/css">
        .objbody{overflow:hidden}
        .btns{background-color:#666;}
        .btns{position: absolute; top:116px; right:30px; z-index:1000; opacity:0.6;}
        .btns2{background-color:rgba(0,0,0,0.5); color:#fff; padding:2px; border-radius:3px; box-shadow:0px 0px 2px #333; padding:0px 6px; border:1px solid #ddd;}
        .btns:hover{opacity:1;}
        .btns h6{padding:4px; border-bottom:1px solid #666; text-shadow: 0px 0px 2px #000;}
        .btns .pd4{ padding-top:4px; border-top:1px solid #999;}
        .pd4 li{border-radius:0px 6px 0px 6px; margin-top:2px; margin-bottom:3px; padding:2px 0px;}
        .btns .pd4 li span{padding:0px 6px;}