本文實例為大家分享了layui實現三級導航菜單的具體代碼，供大家參考，具體內容如下
<!DOCTYPE html><html><head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> <title>.Net海</title> <link href="~/layui-v2.2.5/layui-v2.2.5/layui/css/layui.css" rel="external nofollow" rel="stylesheet" /> //注意路勁 <style> ol li a { background-color: rgba(0,0,0,1) !important; } .three_this { background-color: #808080 !important; } </style></head><body class="layui-layout-body"> <div class="layui-layout layui-layout-admin"> <div class="layui-header"> <div class="layui-logo">layui 后臺布局</div> <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="">用戶管理</a></li> <li class="layui-nav-item"> <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >日常</a> <dl class="layui-nav-child"> <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> </dl> </li> </ul> <ul class="layui-nav layui-layout-right"> <li class="layui-nav-item"> <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" > <img src="~/images/tb.png" class="layui-nav-img" /> .Net海 </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="">退出</a></li> </ul> </div> <div class="layui-side layui-bg-black"> <div class="layui-side-scroll"> <ul class="layui-nav layui-nav-tree" lay-filter="test"> <li class="layui-nav-item layui-nav-itemed"> <a class="" href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >所有商品</a> <dl class="layui-nav-child"> <dd> <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="menu_three ">列表一</a> <ol class="layui-nav-child" style="display: none;"> <li><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >三級列表一</a></li> <li><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >三級列表二</a></li> <li><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >三級列表三</a></li> <li><a href="">超鏈接</a></li> </ol> </dd> <dd><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="menu_three">列表二</a> <ol class="layui-nav-child" style="display: none;"> <li><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >三級列表一</a></li> <li><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >三級列表二</a></li> <li><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >三級列表三</a></li> <li><a href="">超鏈接</a></li> </ol> </dd> <dd><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >列表三</a></dd> <dd><a href="">超鏈接</a></dd> </dl> </li> <li class="layui-nav-item"><a href="">云市場</a></li> <li class="layui-nav-item"><a href="">發布商品</a></li> </ul> </div> </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> //注意路勁 <script src="~/layui-v2.2.5/layui-v2.2.5/layui/layui.js"></script> <script> //JavaScript代碼區域 layui.use(['element', 'jquery'], function () { var element = layui.element, $ = layui.jquery; $(".menu_three").on("click", function () { $(this).next().toggle(); $.each($(this).parent().siblings(), function (i, e) { $(e).find("ol").hide();; }); }) $("ol").on("click", "li a", function () { $.each($(this).parent().siblings(), function (i, e) { $(e).find("a").removeClass('three_this') }); $(this).addClass('three_this'); // 添加當前元素的樣式 }) }); </script></body></html>以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持VeVb武林網。
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