HTML
CSS
JavaScript
HTML
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
<title>首页 - 光年(Light Year Admin)后台管理系统模板</title>
<link rel="icon" href="favicon.ico" type="image/ico">
<meta name="keywords" content="LightYear,光年,后台模板,后台管理系统,光年HTML模板">
<meta name="description" content="LightYear是一个基于Bootstrap v3.3.7的后台管理系统的HTML模板。">
<meta name="author" content="yinqi">
<link href="http://lyear.itshubao.com/iframe/css/bootstrap.min.css" rel="stylesheet">
<link href="http://example.itshubao.com/demo/css/materialdesignicons.min.css" rel="stylesheet">
<link href="http://lyear.itshubao.com/iframe/js/bootstrap-multitabs/multitabs.min.css" rel="stylesheet">
<link href="http://lyear.itshubao.com/iframe/css/style.min.css" rel="stylesheet">
</head>
  
<body>
<div class="lyear-layout-web">
  <div class="lyear-layout-container">
    <!--左侧导航-->
    <aside class="lyear-layout-sidebar">
      
      <!-- logo -->
      <div id="logo" class="sidebar-header">
        <a href="index.html"><img src="http://lyear.itshubao.com/iframe/images/logo-sidebar.png" title="LightYear" alt="LightYear" /></a>
      </div>
      <div class="lyear-layout-sidebar-scroll"> 
        
        <nav class="sidebar-main">
        </nav>
        
        <div class="sidebar-footer">
          <p class="copyright">Copyright © 2019. <a target="_blank" href="http://lyear.itshubao.com">IT书包</a> All rights reserved.</p>
        </div>
      </div>
      
    </aside>
    <!--End 左侧导航-->
    
    <!--头部信息-->
    <header class="lyear-layout-header">
      
      <nav class="navbar navbar-default">
        <div class="topbar">
          
          <div class="topbar-left">
            <div class="lyear-aside-toggler">
              <span class="lyear-toggler-bar"></span>
              <span class="lyear-toggler-bar"></span>
              <span class="lyear-toggler-bar"></span>
            </div>
            <div class="dropdown dropdown-profile">
              <span class="icon-more"  data-toggle="dropdown"><i class="mdi mdi-apps"></i></span>
              <div class="dropdown-menu dropdown-menu-left icon-more-content">
                <a href="#!" class="col-xs-4"><i class="mdi mdi-music-box"></i><span>音乐</span></a>
                <a href="#!" class="col-xs-4"><i class="mdi mdi-weather-cloudy"></i><span>天气</span></a>
                <a href="#!" class="col-xs-4"><i class="mdi mdi-folder-image"></i><span>图片</span></a>
                <a href="#!" class="col-xs-4 active"><i class="mdi mdi-filmstrip"></i><span>电影</span></a>
                <a href="#!" class="col-xs-4"><i class="mdi mdi-qqchat"></i><span>联系客服</span></a>
                <a href="#!" class="col-xs-4"><i class="mdi mdi-calendar"></i><span>日历</span></a>
                <a href="#!" class="col-xs-4"><i class="mdi mdi-lightbulb"></i><span>灵感</span></a>
                <a href="#!" class="col-xs-4"><i class="mdi mdi-chart-bar"></i><span>图表</span></a>
                <a href="#!" class="col-xs-4"><i class="mdi mdi-evernote"></i><span>我的笔记</span></a>
              </div>
            </div>
          </div>
          
          <ul class="topbar-right">
            <li class="dropdown dropdown-profile">
              <a href="javascript:void(0)" data-toggle="dropdown">
                <img class="img-avatar img-avatar-48 m-r-10" src="http://lyear.itshubao.com/iframe/images/users/avatar.jpg" alt="笔下光年" />
                <span>笔下光年 <span class="caret"></span></span>
              </a>
              <ul class="dropdown-menu dropdown-menu-right">
                <li> <a class="multitabs" data-url="lyear_pages_profile.html" href="javascript:void(0)"><i class="mdi mdi-account"></i> 个人信息</a> </li>
                <li> <a class="multitabs" data-url="lyear_pages_edit_pwd.html" href="javascript:void(0)"><i class="mdi mdi-lock-outline"></i> 修改密码</a> </li>
                <li> <a href="javascript:void(0)"><i class="mdi mdi-delete"></i> 清空缓存</a></li>
                <li class="divider"></li>
                <li> <a href="lyear_pages_login.html"><i class="mdi mdi-logout-variant"></i> 退出登录</a> </li>
              </ul>
            </li>
            <!--切换主题配色-->
		    <li class="dropdown dropdown-skin">
			  <span data-toggle="dropdown" class="icon-palette"><i class="mdi mdi-palette"></i></span>
			</li>
            <!--切换主题配色-->
          </ul>
          
        </div>
      </nav>
      
    </header>
    <!--End 头部信息-->
    
    <!--页面主要内容-->
    <main class="lyear-layout-content">
      
      <div id="iframe-content"></div>
      
    </main>
    <!--End 页面主要内容-->
  </div>
</div>
<script type="text/javascript" src="http://lyear.itshubao.com/iframe/js/jquery.min.js"></script>
<script type="text/javascript" src="http://lyear.itshubao.com/iframe/js/bootstrap.min.js"></script>
<script type="text/javascript" src="http://lyear.itshubao.com/iframe/js/perfect-scrollbar.min.js"></script>
<script type="text/javascript" src="http://lyear.itshubao.com/iframe/js/bootstrap-multitabs/multitabs.js"></script>
</body>
</html>
CSS
.icon-more {
    display: block;
    height: 68px;
    line-height: 68px;
    font-size: 1.5em;
    cursor: pointer;
    padding: 0 12px;
    text-align: center;
}
.icon-more-content {
    min-width: 260px;
    padding: 10px;
}
.icon-more-content a {
    text-align: center;
    color: #4d5259;
    padding: 10px;
    border: 1px solid #fff;
}
.icon-more-content a:hover,
.icon-more-content a.active {
    background-color: #f9fafb;
}
.icon-more-content a i {
    font-size: 20px;
}
.icon-more-content span {
    display: block;
}
JavaScript
$('.icon-more-content').find('a').on('click', function(){
    $(this).addClass('active');
    $(this).siblings().removeClass('active');
})