我正在一个项目中使用AdminLTE作为页面模板。对于侧边菜单，我默认将其设置为折叠，并且当用户将鼠标悬停在每个图标上时，将显示以下子菜单。
对于一个部分，我有一个嵌套菜单，当用户单击菜单项以进行向下钻取时，我希望将悬停菜单保持打开状态，即使它们滚动出菜单栏也是如此。
我的菜单示例：https://codepen.io/anon/pen/dBevvR
因此，当用户单击1级以下的2级时，即使用户将鼠标悬停在该块上，我也希望菜单保持打开状态。
任何帮助将不胜感激。
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>AdminLTE 2 | Dashboard</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">
<!-- Bootstrap 3.3.7 -->
<!-- Font Awesome -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- Bootstrap -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<!-- Theme style -->
<link rel="stylesheet" href="dist/css/AdminLTE.min.css">
<!-- AdminLTE Skins. Choose a skin from the css/skins
folder instead of downloading all of them to reduce the load. -->
<link rel="stylesheet" href="dist/css/skins/_all-skins.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]-->
<!-- Google Font -->
<link rel="stylesheet"
href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,600,700,300italic,400italic,600italic">
</head>
<body class="hold-transition skin-blue sidebar-mini sidebar-collapse">
<div class="wrapper">
<header class="main-header">
<!-- Logo -->
<a href="index2.html" 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 Navbar: style can be found in header.less -->
<nav class="navbar navbar-static-top">
<!-- Sidebar toggle button-->
<!--<a id="topMenuIcon" class="sidebar-toggle fa-arrow-right" data-toggle="push-menu" role="button" onclick="changeIcon()">-->
<a id="topMenuIcon" class="sidebar-toggle fa fa-bars" data-toggle="push-menu" role="button">
<span class="sr-only">Toggle navigation</span>
</a>
</nav>
</header>
<!-- Left side column. contains the logo and sidebar -->
<aside class="main-sidebar">
<!-- sidebar: style can be found in sidebar.less -->
<section id="sidebar" class="sidebar">
<!-- Sidebar user panel -->
<!-- sidebar menu: : style can be found in sidebar.less -->
<ul class="sidebar-menu" data-widget="tree">
<li class="header">MAIN NAVIGATION</li>
<li class="treeview">
<a href="#">
<i class="fa fa-share"></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="#"><i class="fa fa-circle-o"></i> Level One</a></li>
<li class="treeview">
<a href="#"><i class="fa fa-circle-o"></i> Level One
<span class="pull-right-container">
<i class="fa fa-angle-left pull-right"></i>
</span>
</a>
<ul class="treeview-menu">
<li><a href="#"><i class="fa fa-circle-o"></i> Level Two</a></li>
<li class="treeview">
<a href="#"><i class="fa fa-circle-o"></i> Level Two
<span class="pull-right-container">
<i class="fa fa-angle-left pull-right"></i>
</span>
</a>
<ul class="treeview-menu">
<li><a href="#"><i class="fa fa-circle-o"></i> Level Three</a></li>
<li><a href="#"><i class="fa fa-circle-o"></i> Level Three</a></li>
</ul>
</li>
</ul>
</li>
<li><a href="#"><i class="fa fa-circle-o"></i> Level One</a></li>
</ul>
</li>
</ul>
</section>
<!-- /.sidebar -->
</aside>
<!-- Content Wrapper. Contains page content -->
<!-- /.content-wrapper -->
</div>
<!-- ./wrapper -->
<!-- jQuery 3 -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.js"></script>
<!-- Bootstrap 3.3.7 -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<!-- FastClick -->
<script src="bower_components/fastclick/lib/fastclick.js"></script>
<!-- AdminLTE App -->
<script src="dist/js/adminlte.min.js"></script>
<!-- Sparkline -->
<script src="bower_components/jquery-sparkline/dist/jquery.sparkline.min.js"></script>
<!-- jvectormap -->
<script src="plugins/jvectormap/jquery-jvectormap-1.2.2.min.js"></script>
<script src="plugins/jvectormap/jquery-jvectormap-world-mill-en.js"></script>
<!-- SlimScroll -->
<script src="bower_components/jquery-slimscroll/jquery.slimscroll.min.js"></script>
<!-- ChartJS -->
<script src="bower_components/Chart.js/Chart.js"></script>
<!-- AdminLTE for demo purposes -->
<script src="dist/js/demo.js"></script>
</body>
<!--Finish no more change-->