本文實例為大家分享了layUI實現三級導航菜單展示的具體代碼，供大家參考，具體內容如下
廢話不多說，直接上代碼：
<!DOCTYPE html><html><head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> <title>layout 后臺大布局 - Layui</title> <link rel="stylesheet" href="../css/layui.css" rel="external nofollow" > <script src="../layui.js"></script> <style> .layui-layout-left{position: absolute !important; left: 0px; top: 0;} /*layui child nav*/ .layui-nav-child{display: none; position: absolute; left: 0; top: 65px; min-width: 100%; line-height: 36px; padding: 5px 0; box-shadow: 0 2px 4px rgba(0,0,0,.12); border: 1px solid #d2d2d2; background-color: #fff; z-index: 100; border-radius: 2px; white-space: nowrap;} .layui-nav .layui-nav-child a{color: white;} .layui-nav .layui-nav-child a:hover{background-color:deepskyblue; color: white;} .layui-nav-child dd{position: relative;} .layui-nav-child dd.layui-this{background-color: transparent; color: white;} .layui-nav .layui-nav-child dd.layui-this a{background-color: transparent; color: white;} .layui-nav-child dd.layui-this:after{display: none;} /*layui third level nav*/ .layui-nav-third-child{display: none; position: absolute; left: 105px;top:25px;min-width: 100%; line-height: 36px; padding: 5px 0; box-shadow: 0 2px 4px rgba(0,0,0,.12); border: 1px solid #d2d2d2; background-color: #fff; z-index: 100; border-radius: 2px; white-space: nowrap;} .layui-nav .layui-nav-third-child a{color: white;} .layui-nav .layui-nav-third-child a:hover{background-color:deepskyblue; color: white;} .layui-nav-third-child li{position: relative;} .layui-nav-third-child li{background-color: transparent; color: white;} .layui-nav .layui-nav-third-child li.layui-this a{background-color: transparent; color: white;} .layui-nav-third-child li:after{display: none;} </style></head><body class="layui-layout-body "><div class="layui-layout layui-layout-admin layui-bg-blue"> <div class="layui-header layui-bg-blue"> <div style="margin-left: 20px"> <b style="font-size: 35px">船信保密安全綜合管控平臺</b><br> <b>CSIT integrated Control System of Confidentiality and Security</b> </div> <!-- 頭部區域（可配合layui已有的水平導航） --> <ul class="layui-nav layui-layout-right"> <li class="layui-nav-item"> <a href="javascript:;" > <img src="http://t.cn/RCzsdCq" class="layui-nav-img"> 賢心 </a> <dl class="layui-nav-child"> <dd><a href="#" >基本資料</a></dd> <dd><a href="#" >安全設置</a></dd> </dl> </li> <li class="layui-nav-item"><a href="">退了</a></li> </ul> </div> <div class="layui-header layui-bg-blue"> <!-- 頭部區域（可配合layui已有的水平導航） --> <ul class="layui-nav layui-layout-left"> <li class="layui-nav-item"><a href="#" >控制臺</a></li> <li class="layui-nav-item"><a href="#" >商品管理</a></li> <li class="layui-nav-item"><a href="#" >用戶</a></li> <li class="layui-nav-item"> <a href="javascript:;" >其它系統</a> <dl class="layui-nav-child layui-bg-blue"> <dd><a href="">郵件管理</a></dd> <dd><a href="">消息管理</a></dd> <dd><a href="">授權管理</a></dd> <dd> <a href="javascript:;" class="third-class">其它系統2</a> <ol class="layui-nav-third-child layui-bg-blue"> <li><a href="">郵件管理2</a></li> <li><a href="">消息管理2</a></li> <li><a href="">授權管理2</a></li> </ol> </dd> <dd> <a href="javascript:;" class="third-class">其它系統3</a> <ol class="layui-nav-third-child layui-bg-blue"> <li><a href="">郵件管理3</a></li> <li><a href="">消息管理3</a></li> <li><a href="">授權管理3</a></li> </ol> </dd> </dl> </li> </ul> </div> <div class="layui-body"> <!-- 內容主體區域 --> <div style="padding: 15px;">內容主體區域</div> </div> <div class="layui-footer"> <!-- 底部固定區域 --> © layui.com - 底部固定區域 </div></div><script>//JavaScript代碼區域 layui.use(['element','jquery'], function(){ var element = layui.element,$=layui.jquery; $(".layui-nav-third-child").hide(); $(".third-class").on('click',function () { $(".layui-nav-third-child").hide(); $(this).next().show(); }); });</script></body></html>
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