JS实现仿京东淘宝竖排二级导航

前端技术 2023/09/07 JavaScript

代码很简单，就不多废话了，直接奉上代码：

复制代码 代码如下:

<!DOCTYPE html>
<html>
<head>
<meta charset=\"utf-8\">
<meta http-equiv=\"X-UA-Compatible\" content=\"IE=edge,chrome=1\">
<title></title>
<meta name=\"description\" content=\"\">
<meta name=\"keywords\" content=\"\">
<link href=\"\" rel=\"stylesheet\">
<script type=\"text/javascript\">
    function hoversee(){
    var list = document.getElementById(\'nav\');
    var zu = list.getElementsByTagName(\"li\");
    for(var i=0;i<9;i++)
    {
        zu[i].onmouseover = function(){
            this.getElementsByTagName(\'dl\')[0].style.display = \"block\";
        }
        zu[i].onmouseout = function(){
            this.getElementsByTagName(\'dl\')[0].style.display = \"none\";
        }
    }
    }
    window.onload = hoversee;
</script>
<style>
    *{
        font-family:Microsoft YaHei;
        margin:0;
        padding:0;
    }
    body{width:100%;}
    ul{list-style: none;}
    a{text-decoration: none;}
    #header{
        height:50px;
        line-height:50px;
        background:#455A6E;
    }
    #header h2,#header h3{
        font-weight:500;
    }
    #header h2{
        color:#fff;
        font-size:18px;
        width:180px;
        text-align: center;
        background:#0D2E49;
    }
    #header h3{color:#fff;font-size:16px;}
    .mycenter{
        width:900px;
        margin:0 auto;
    }
    #header div.mycenter{
        /*相对定位*/
        position:relative;
    }
    #nav {
        width:180px;
        background:rgba(0, 102, 173, 0.5);
        z-index:999;
    }
    #nav li{
        height:40px;
        padding-left:40px;
        line-height: 40px;
        position:relative;
    }
    #nav h3{height:40px;}
    #nav li dl{
        position:relative;
        left:140px;
        top:-40px;
        width:150px;
        background:#fff;
        display:none;
        padding:8px 10px;
    }
    #nav dt{
        width:150px;
        line-height: 30px;
        height:30px;
        background:#36C1AF;
        color:#fff;
        text-align: center;
    }
    #nav dd a{
        display:block;
        height:30px;
        width:150px;
        font-size:14px;
        color:#858585;
    }
    #nav dd a:hover{
        text-decoration: underline;
    }
    #content{
        background:#E95200;
        height:500px;
    }
</style>
</head>
<body>
    <div id=\"header\">
        <div class=\"mycenter\">
            <h2>后台管理菜单</h2>
            <ul id=\"nav\">
                <li>
                    <h3>帐号管理</h3>
                    <dl>
                        <dt>帐号管理</dt>
                        <dd>
                            <a href=\"#\">修改密码</a>
                            <a href=\"#\">修改用户名</a>
                            <a href=\"#\">设置密保问题</a>
                        </dd>
                    </dl>
                </li>
                <li>
                    <h3>首页管理</h3>
                    <dl>
                        <dt>首页管理</dt>
                        <dd>
                            <a href=\"#\">轮转照片设置</a>
                            <a href=\"#\">产品展示照片设置</a>
                            <a href=\"#\">底部信息修改</a>
                        </dd>
                    </dl>
                </li>
                <li>
                    <h3>产品管理</h3>
                    <dl>
                        <dt>产品管理</dt>
                        <dd>
                            <a href=\"#\">增加新产品</a>
                            <a href=\"#\">管理全部产品</a>
                            <a href=\"#\">类别管理</a>
                        </dd>
                    </dl>
                </li>
                <li>
                    <h3>新闻管理</h3>
                    <dl>
                        <dt>新闻管理</dt>
                        <dd>
                            <a href=\"#\">发布新闻</a>
                            <a href=\"#\">全部新闻管理</a>
                            <a href=\"#\">增加系列</a>
                            <a href=\"#\">新闻系列管理</a>
                        </dd>
                    </dl>
                </li>
                <li>
                    <h3>反馈管理</h3>
                    <dl>
                        <dt>反馈管理</dt>
                        <dd>
                            <a href=\"#\">管理所有反馈</a>
                        </dd>
                    </dl>
                </li>
                <li>
                    <h3>企业信息管理</h3>
                    <dl>
                        <dt>企业信息管理</dt>
                        <dd>
                            <a href=\"#\">企业简介</a>
                            <a href=\"#\">企业联系方式设置</a>
                            <a href=\"#\">人才招聘管理</a>
                        </dd>
                    </dl>
                </li>
                <li>
                    <h3>权限管理</h3>
                    <dl>
                        <dt>权限管理</dt>
                        <dd>
                            <a href=\"#\">添加新管理员</a>
                            <a href=\"#\">查看所有账号权限</a>
                            <a href=\"#\">查看申诉</a>
                        </dd>
                    </dl>
                </li>
                <li>
                    <h3>功能管理</h3>
                    <dl>
                        <dt>功能管理</dt>
                        <dd>
                            <a href=\"#\">一级功能设置</a>
                        </dd>
                    </dl>
                </li>
                <li>
                    <h3>权限查看与申请</h3>
                    <dl>
                        <dt>权限查看与申请</dt>
                        <dd>
                            <a href=\"#\">查看自己的权限</a>
                            <a href=\"#\">申请权限</a>
                        </dd>
                    </dl>
                </li>
            </ul>
        </div>
    </div>
    <div id=\"content\">
    </div>
    <div id=\"footer\">
    </div>
</body>
</html>

小伙伴们根据自己的需求，将调用代码加进去就可以了，自由发挥吧。

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