感谢H-ui、感谢CoreThink！
效果图：
登录之后
登录窗体
想做登录之后的下拉菜单的，实在做不出来了，就一般显示了。。。
整个面包屑导航这里，先遍历模块，并且是允许前台显示的模块，之后就是判断用户是否已经登录，已经登录了，就显示个人中心，否则就显示登录和注册按钮。
代码：
<nav class="breadcrumb">
<div class="container">
<span class="c-gray en">
<i class="Hui-iconfont">�</i>
<a href="#">您好，欢迎来到 {:C('WEB_SITE_TITLE')} ！</a>
<!-- 系统模块导航 开始-->
<opencmf:nav_list name="vo" pid="0">
<a target="{$vo.target}" href="{$vo.href}">
<span> {$vo.title}</span>
</a>
</opencmf:nav_list>
<!-- 系统模块导航 结束-->
</span>
<present name="_user_auth">
<a href="#" >
<img class="round" src="{$_user_auth.avatar|get_cover='avatar'}" height="30px" width="30px"
alt="{$_user_auth.nickname}" />
<span>{$_user_auth.nickname}
<span>
{$_new_message}
</span>
<!-- 新消息数量 -->
</span>
<span class="caret"></span>
</a>
<a href="{:U('User/Index/home', array('uid' => $_user_auth['uid']), true, true)}"><span class="label label-secondary radius">个人主页</span></a>
<volist name="_user_nav_main" id="vo_nav">
<a href="{:U($vo_nav['url'], null, true, true)}"
class="{$vo_nav.class}"><span class="label label-secondary radius">
{$vo_nav.title}</span></a>
</volist>
<a href="{:U('User/User/logout', null, true, true)}" class="ajax-get"><span class="label label-danger radius">注销登录</span></a>
<else/>
<a class="btn btn-success-outline radius" data-toggle="modal"
href="#register-modal">注册</a>
<a class="btn btn-danger-outline radius" data-toggle="modal" href="#login-modal">登录</a>
</present>
</div>
</nav>
Blog/Home/Public/layout.html
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="renderer" content="webkit|ie-comp|ie-stand">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport"
content="width=device-width,initial-scale=1,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no"/>
<meta http-equiv="Cache-Control" content="no-siteapp"/>
<!--[if lt IE 9]>
<script type="text/javascript" src="__HOME_LIBS__/html5.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/respond.min.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/PIE_IE678.js"></script>
<![endif]-->
<link rel="stylesheet" type="text/css" href="__HOME_CSS__/H-ui.min.css"/>
<link rel="stylesheet" type="text/css" href="__HOME_LIBS__/Hui-iconfont/1.0.7/iconfont.css"/>
<link rel="stylesheet" type="text/css" href="__HOME_LIBS__/icheck/icheck.css"/>
<link rel="stylesheet" type="text/css" href="__HOME_CSS__/style.css"/>
<!--[if IE 6]>
<script type="text/javascript" src="__HOME_LIBS__/DD_belatedPNG_0.0.8a-min.js"></script>
<script>DD_belatedPNG.fix('*');</script>
<![endif]-->
<block name="title"><title>{:C('WEB_SITE_TITLE')}</title></block>
<meta name="keywords" content="关键词,5个左右,单个8汉字以内">
<meta name="description" content="网站描述，字数尽量空制在80个汉字，160个字符以内！">
</head>
<body>
<div class="clearfix hook hook-page-header">
{:hook('PageHeader')} <!-- 文档开始钩子 -->
</div>
<!-- 页面导航，支持二级菜单 -->
<header class="navbar-wrapper">
<div class="navbar navbar-black navbar-fixed-top">
<div class="container cl">
<a class="logo navbar-logo hidden-xs" href="/aboutHui.shtml">{:C('WEB_SITE_TITLE')}</a>
<a class="logo navbar-logo-m visible-xs" href="/aboutHui.shtml">H-ui</a>
<span class="logo navbar-slogan hidden-xs">{:C('WEB_SITE_SLOGAN')}</span>
<a aria-hidden="false" class="nav-toggle Hui-iconfont visible-xs" href="javascript:;">�</a>
<nav class="nav navbar-nav nav-collapse" role="navigation" id="Hui-navbar">
<ul class="cl">
<li><a href="{:C('HOME_PAGE')}">首页</a></li>
<cms:category_list name="vo" pid="0" group="1">
<php>if($vo['_child']):</php>
<li class="dropDown dropDown_hover">
<a href="{$vo.href}" class="dropDown_A" data-toggle="dropdown" role="button">
{$vo.title} <span class="caret"></span>
</a>
<ul class="dropDown-menu menu radius box-shadow">
<volist name="vo._child" id="vo1">
<li>
<a href="{$vo1.href}">{$vo1.title}</a>
</li>
</volist>
</ul>
</li>
<php>else:</php>
<li>
<a href="{$vo.href}">
<span> {$vo.title}</span>
</a>
</li>
<php>endif;</php>
</cms:category_list>
</ul>
</nav>
<nav class="navbar-userbar hidden-xs">
</nav>
</div>
</div>
</header>
<nav class="breadcrumb">
<div class="container">
<span class="c-gray en">
<i class="Hui-iconfont">�</i>
<a href="#">您好，欢迎来到 {:C('WEB_SITE_TITLE')} ！</a>
<!-- 系统模块导航 开始-->
<opencmf:nav_list name="vo" pid="0">
<a target="{$vo.target}" href="{$vo.href}">
<span> {$vo.title}</span>
</a>
</opencmf:nav_list>
<!-- 系统模块导航 结束-->
</span>
<present name="_user_auth">
<a href="#" >
<img class="round" src="{$_user_auth.avatar|get_cover='avatar'}" height="30px" width="30px"
alt="{$_user_auth.nickname}" />
<span>{$_user_auth.nickname}
<span>
{$_new_message}
</span>
<!-- 新消息数量 -->
</span>
<span class="caret"></span>
</a>
<a href="{:U('User/Index/home', array('uid' => $_user_auth['uid']), true, true)}"><span class="label label-secondary radius">个人主页</span></a>
<volist name="_user_nav_main" id="vo_nav">
<a href="{:U($vo_nav['url'], null, true, true)}"
class="{$vo_nav.class}"><span class="label label-secondary radius">
{$vo_nav.title}</span></a>
</volist>
<a href="{:U('User/User/logout', null, true, true)}" class="ajax-get"><span class="label label-danger radius">注销登录</span></a>
<else/>
<a class="btn btn-success-outline radius" data-toggle="modal"
href="#register-modal">注册</a>
<a class="btn btn-danger-outline radius" data-toggle="modal" href="#login-modal">登录</a>
</present>
</div>
</nav>
<block name="main">
</block>
<!--页脚-->
<footer class="footer mt-20">
<div class="container">
<p>{:C('WEB_SITE_COPYRIGHT')} <br>
<a rel="nofollow" target="_blank" href="http://www.miitbeian.gov.cn/">
{:C('WEB_SITE_ICP')}
</a>
</p>
</div>
</footer>
<script type="text/javascript" src="__HOME_LIBS__/jquery/1.9.1/jquery.min.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/layer/2.1/layer.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/laypage/1.2/laypage.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/My97DatePicker/WdatePicker.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/icheck/jquery.icheck.min.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/bootstrap-Switch/bootstrapSwitch.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/Validform/5.3.2/Validform.min.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/Validform/5.3.2/passwordStrength-min.js"></script>
<script type="text/javascript" src="__HOME_JS__/H-ui.js"></script>
<script>
var navigation = responsiveNav("Hui-navbar", {customToggle: ".nav-toggle"});
$(function () {
$('.skin-minimal input').iCheck({
checkboxClass: 'icheckbox-blue',
radioClass: 'iradio-blue',
increaseArea: '20%'
});
$("#demoform").Validform({
tiptype: 2
});
});
</script>
</block>
<div class="clearfix hook hook-page-footer">
{:hook('PageFooter')} <!-- 文档末尾钩子 -->
</div>
<include file="$_user_login_modal"/> <!-- 登录弹窗 -->
<script type="text/javascript" src="__HOME_LIBS__/bootstrap-modal/2.2.4/bootstrap-modalmanager.js"></script>
<script type="text/javascript" src="__HOME_LIBS__/bootstrap-modal/2.2.4/bootstrap-modal.js"></script>
<block name="script">
</block>
</body>
</html>
<!--H-ui前端框架提供前端技术支持 h-ui.net @2015-8-4 -->