标签（空格分隔）： sringboot adminlte thymeleaf
spring boot 和 adminlte没有紧密的联系，只是最近在做的一个东西用spring boot做后端用adminlte做前端，所以就放到spring boot系列里面讲。
架构原理
adminlte只是一个库，说不上什么框架，所以不好说架构原理，他是基于bootstrap做的一个东西
adminlte的layout
暂时基本上只用了adminlte的layout，所以介绍一下adminlte的layout
安装
到 https://github.com/almasaeed2010/AdminLTE 下载，然后解压到spring boot项目的 src\main\resources\static 下面就可以了
最简单的例子
layout.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>AdminLTE 2 | Starter</title>
<!-- Tell the browser to be responsive to screen width -->
<meta content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport">
<link rel="stylesheet" href="bower_components/bootstrap/dist/css/bootstrap.min.css">
<!-- Font Awesome -->
<link rel="stylesheet" href="bower_components/font-awesome/css/font-awesome.min.css">
<!-- Ionicons -->
<link rel="stylesheet" href="bower_components/Ionicons/css/ionicons.min.css">
<!-- Theme style -->
<link rel="stylesheet" href="dist/css/AdminLTE.min.css">
<!-- AdminLTE Skins. We have chosen the skin-blue for this starter
page. However, you can choose any other skin. Make sure you
apply the skin class to the body tag so the changes take effect. -->
<link rel="stylesheet" href="dist/css/skins/skin-blue.min.css">
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.3/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<!--
BODY TAG OPTIONS:
=================
Apply one or more of the following classes to get the
desired effect
|---------------------------------------------------------|
| SKINS | skin-blue |
| | skin-black |
| | skin-purple |
| | skin-yellow |
| | skin-red |
| | skin-green |
|---------------------------------------------------------|
|LAYOUT OPTIONS | fixed |
| | layout-boxed |
| | layout-top-nav |
| | sidebar-collapse |
| | sidebar-mini |
|---------------------------------------------------------|
-->
<body class="hold-transition skin-blue sidebar-mini">
<div class="wrapper">
<!-- Main Header -->
<header class="main-header">
<!-- Logo -->
<a href="#" class="logo">
<!-- mini logo for sidebar mini 50x50 pixels -->
<span class="logo-mini"><b>A</b>LT</span>
<!-- logo for regular state and mobile devices -->
<span class="logo-lg"><b>Admin</b>LTE</span>
</a>
</header>
<!-- Left side column. contains the logo and sidebar -->
<aside class="main-sidebar">
<!-- sidebar: style can be found in sidebar.less -->
<section class="sidebar">
<!-- Sidebar Menu -->
<ul class="sidebar-menu" data-widget="tree">
<li class="header">HEADER</li>
<!-- Optionally, you can add icons to the links -->
<li class="active"><a href="#"><i class="fa fa-link"></i> <span>Link</span></a></li>
<li><a href="#"><i class="fa fa-link"></i> <span>Another Link</span></a></li>
<li class="treeview">
<a href="#"><i class="fa fa-link"></i> <span>Multilevel</span>
<span class="pull-right-container">
<i class="fa fa-angle-left pull-right"></i>
</span>
</a>
<ul class="treeview-menu">
<li><a href="#">Link in level 2</a></li>
<li><a href="#">Link in level 2</a></li>
</ul>
</li>
</ul>
<!-- /.sidebar-menu -->
</section>
<!-- /.sidebar -->
</aside>
<!-- Content Wrapper. Contains page content -->
<div class="content-wrapper">
<!-- Content Header (Page header) -->
<section class="content-header">
<h1>
Page Header
<small>Optional description</small>
</h1>
</section>
<!-- Main content -->
<section class="content container-fluid">
<!--------------------------
| Your Page Content Here |
-------------------------->
</section>
<!-- /.content -->
</div>
<!-- /.content-wrapper -->
</div>
<!-- ./wrapper -->
<!-- REQUIRED JS SCRIPTS -->
<!-- jQuery 3 -->
<script src="bower_components/jquery/dist/jquery.min.js"></script>
<!-- Bootstrap 3.3.7 -->
<script src="bower_components/bootstrap/dist/js/bootstrap.min.js"></script>
<!-- AdminLTE App -->
<script src="dist/js/adminlte.min.js"></script>
<!-- Optionally, you can add Slimscroll and FastClick plugins.
Both of these plugins are recommended to enhance the
user experience. -->
</body>
</html>
把 starter.html 的一些不是必须的东西去掉就变成上面这样了，进一步的 Logo和Content Header (Page header) 部分也可以不要的，但是页面看上去会很难看。
上面的代码中关键的部分是<div class="wrapper">，<header class="main-header">，<aside class="main-sidebar">，还有<div class="content-wrapper">，这些就是adminlte layout的主要组成部分。
关键的问题
用adminlte做东西肯定要实现点击sidebar中的菜单切换content-wrapper中的内容的功能。
问题是sidebar每一条菜单都对应一个html，每个html都包含相同的内容（main-header，main-sidebar部分的内容），所以这可以抽象成模板的问题，而thymeleaf正好是一个模板解决方案。换句话说，就是让adminlte的layout作为thymeleaf的一个layout来解决这个问题，这个问题在介绍thymeleaf的时候再讲
本文使用我另外的文章 老程序员的一点套路之开源学习 里面介绍的方法进行学习
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