这篇文章主要介绍了jquery实现很酷的网页顶部图标下拉菜单效果,效果非常美观大方,通过鼠标hover事件及页面元素的遍历与样式操作实现该功能,需要的朋友可以参考下
本文实例讲述了jquery实现很酷的网页顶部图标下拉菜单效果。分享给大家供大家参考。具体如下：
兼容IE和火狐的顶部菜单栏，带图标的图文菜单，还有右上角的下拉导航效果，一个演示包括了两种菜单，都是很实用的效果，只使用了jquery就实现了。如果你的网站上此前用有jquery插件，那么整合起来就更方便了，点击运行可预览菜单效果。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/jquery-web-top-ico-show-menu-style-codes/
具体代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jquery hover顶部导航栏菜单</title>
<style>
@charset "utf-8";
body,h1,h2,h3,h4,h5,h6,hr,p,blockquote,dl,dt,dd,ul,ol,li,pre,form,fieldset,legend,button,input,textarea,th,td,figure{margin:0;padding:0}
html{background-color:#e9ecec}
table{table-layout:fixed;border-collapse:collapse}
section,article,aside,header,footer,nav,dialog,figure{display:block}
.clearfix:after{content:"\20";display:block;height:0;line-height:0;font-size:0;clear:both}
body,button,input,select,textarea,td,th{color:#333;font:12px/1.5 tahoma,arial,\5b8b\4f53}
h1,h2,h3,h4,h5,h6{font-size:100%}
address,cite,dfn,em,var{font-style:normal}
code,kbd,pre,samp{font-family:courier new,courier,monospace}
small{font-size:12px}ul,ol{list-style:none}a{text-decoration:none;color:#06C}
a:hover{text-decoration:underline;color:#06C}
sup{vertical-align:text-top}
sub{vertical-align:text-bottom}
legend{color:#000}
fieldset,img{border:0 none}
button,input,select,textarea{font-size:100%}
table{border-collapse:collapse;border-spacing:0}
input:focus{outline:none}
.hd-main{height:60px;background:#fff;z-index:15;border-bottom:#b3b3b3 1px solid;box-shadow:0 0 5px #333}
.f-icon{background-image:url('images/frame-icon.png');background-repeat:no-repeat}
.hd-main{padding:0 5px;height:49px;min-width:800px;background:#252525;border-bottom:0}
.hd-main .has-pulldown{cursor:pointer;position:relative;*z-index:10000}
.hd-main .pulldown{position:absolute;cursor:default;display:none;top:30px;left:0}
.hd-main .pulldown .arrow{*margin-bottom:-1px;_margin-bottom:0;height:0;width:0;font-size:0;line-height:0;border-width:7px;border-style:solid;border-color:transparent transparent #F6F6F9 transparent;_filter:chroma(color=tomato);_border-color:tomato tomato #F6F6F9 tomato;position:relative;display:block;left:20px;z-index:2}
.hd-main .pulldown .content{background:#F6F6F9;color:#333;text-align:left;border-radius:3px;border:rgb(175,175,175) 1px solid;border-width:0 1px 1px 1px;box-shadow:0 2px 4px rgba(0,0,0,.2);position:relative;z-index:1}
.hd-main .pulldown-canvas{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;filter:alpha(opacity=0)}
.hd-main .logo{background-image:url('images/logo.png');background-repeat:no-repeat;display:block;height:36px;width:175px;float:left;margin-left:10px;background-position:0 0;margin-top:5px;display:inline}
.hd-main .navs{padding:0 0 3px 25px;height:45px;float:left}
.hd-main .navs a,.hd-main .info a,.hd-main .navs a:visited,.hd-main .info a:visited,.hd-main .navs a:active,.hd-main .info a:active{color:#d8d8d8}
.hd-main .navs a:hover,.hd-main .navs a:active{text-decoration:none;background-color:#0f0f0f}
.hd-main .navs .def-nav,.hd-main .navs .pulldown-nav,.hd-main .navs .separate{display:block;float:left;height:48px;font:18px/30px "Microsoft YaHei","Microsoft JhengHei";color:#d8d8d8;text-align:center;width:90px;line-height:48px}
.hd-main .navs .def-nav .app-url{left:185px;width:641px;top:48px}
.hd-main .navs .def-nav .pulldown-canvas-url{width:575px;height:109px}
.hd-main .navs .def-nav .app-url .arrow{left:140px}
.hd-main .navs .app-url .content{padding:17px 0 0 22px;height:91px}
.hd-main .navs .app-url .content a,.hd-main .navs .app-url .content a:hover{color:#333}
.hd-main .navs .app-url .li{cursor:pointer;padding-top:8px;width:66px;height:66px;border-radius:3px;display:block;float:left;text-align:center}
.hd-main .navs .app-url .li:hover{background-color:#e0e1e5}
.hd-main .navs .app-url .li .icon{margin:0 auto;width:35px;height:38px;display:block;background:url('images/dropdown_menu.png') no-repeat}
.hd-main .navs .app-url .li:hover .icon{background-image:url('images/dropdown_menu_hover.png')}
.hd-main .navs .app-url .tongxunlu .icon{background-position:-35px 0}
.hd-main .navs .app-url .xiangce .icon{background-position:-70px 0}
.hd-main .navs .app-url .note .icon{background-position:-105px 0}
.hd-main .navs .app-url .duanxin .icon{background-position:-140px 0}
.hd-main .navs .app-url .zhaohui .icon{background-position:-175px 0}
.hd-main .navs .app-url .youxi .icon{background-position:-210px 0}
.hd-main .navs .app-url .jiankang .icon{background-position:-245px 0}
.hd-main .navs .app-url .wenzhang .icon{background-position:-280px 0}
.hd-main .navs .app-url .li .text{height:30px;display:block;font:14px/30px "Microsoft YaHei","Microsoft JhengHei"}
.hd-main .navs .separate{margin:0;height:48px;width:2px;background:#2A2B2D}
.hd-main .navs .pulldown-nav{position:relative}
.hd-main .navs .pulldown-nav em{position:absolute;display:block;left:69px;top:18px;height:12px;width:12px;font-size:0;background-position:-89px -45px}
.hd-main .navs .pulldown-nav:hover .f-icon,.hd-main .navs .pulldown-nav:active .f-icon{position:absolute;display:block;right:11px;top:18px;height:12px;width:12px;font-size:0;background-position:-89px -55px}
.hd-main .navs .current,.hd-main .navs .current .pulldown-nav{font-weight:bold;color:#FFF;display:inline-block;width:90px;height:49px;background-color:#0f0f0f;text-align:center;line-height:48px}
.hd-main .navs .current:hover{color:#ECECEC}
.hd-main .navs .current .hover{background-color:#f6f6f6;color:#333;}
.hd-main .info,.hd-main .info ul{height:36px;float:right;text-align:right;margin-top:3px;white-space:nowrap}
.hd-main .info a{color:#d8d8d8}
.hd-main .info a:hover{color:#FFF;text-decoration:underline}
.hd-main .info .info-i{padding:0 10px;margin:10px 0;display:inline-block;*display:inline;*zoom:1;height:16px;border-right:#393939 1px solid;color:#d8d8d8;font:12px/16px "SimSun"}
.hd-main{padding:0 5px;height:49px;min-width:800px;background:#252525;border-bottom:0}
.hd-main .info .has-pulldown{padding-right:28px}
.hd-main .info .has-pulldown .pull-arrow{position:absolute;display:block;right:10px;top:1px;height:12px;width:12px;font-size:0;background-position:-89px -45px}
.hd-main .info .no-separate{border:none}
.hd-main .info .user-name{position:relative;padding-left:24px}
.hd-main .info .user-name .name{display:inline-block;display:inline\0;white-space:nowrap;max-width:75px;overflow:hidden;text-overflow:ellipsis;vertical-align:bottom}
.hd-main .info .user-name .identity{position:absolute;top:0;left:0;height:16px;width:16px;background-position:-89px -88px}
.hd-main .info .user-name .is-vip{background-position:-89px -68px}
.hd-main .info .user-info,.hd-main .info .more-info{top:9px;left:auto;right:-24px;width:116px}
.hd-main .info .notice-nu{display:inline-block;padding-left:4px;background-position:-86px -109px;height:14px;-webkit-text-size-adjust:none;font-size:10px;font-style:normal}
.hd-main .info .notice-nu .f-icon{display:inline-block;padding-right:4px;background-position:right -109px;color:#FFF}
.hd-main .info .user-info .arrow{left:70px;*left:-32px}
.hd-main .info .user-info .content,.hd-main .info .more-info .content{padding:10px 0;height:180px}
.hd-main .info .more{padding:0;display:inline;line-height:inherit;background:none}
.hd-main .info .more-info .content{height:280px}
.hd-main .info .user-info .content a,.hd-main .info .more-info .content a{display:block;padding-left:33px;height:30px;line-height:30px;color:#888}
.hd-main .info .user-info .content a:hover,.hd-main .info .more-info .content a:hover{color:#333;text-decoration:none;background:#e0e1e5}
.hd-main .info .user-info .li,.hd-main .info .more-info .li{display:block;padding:2px 0;height:30px}
.hd-main .info .user-info .separate-li,.hd-main .info .more-info .separate-li{display:block;margin:3px 11px;border-top:#EBEBEC 1px solid;border-bottom:#FFF 1px solid}
.hd-main .info .more-info{right:0}
.hd-main .info .more-info .arrow{left:94px;*left:-8px}
</style>
</head>
<body>
<script type="text/javascript" src="jquery-1.6.2.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(".def-nav,.info-i").hover(function(){
$(this).find(".pulldown-nav").addClass("hover");
$(this).find(".pulldown").show();
},function(){
$(this).find(".pulldown").hide();
$(this).find(".pulldown-nav").removeClass("hover");
});
});
</script>
<p class="hd-main clearfix" id="header">
<a class="logo" href=""></a>
<p class="navs">
<a class="def-nav" href="">主页</a>
<span class="separate"></span>
<p class="def-nav current has-pulldown-special">
<a class="pulldown-nav" href=""><em class="f-icon"></em>办公</a>
<p class="pulldown app-url">
<p class="content">
<a class="li disk" href="">
<span class="icon"></span>
<span class="text">网盘</span>
</a>
<a class="li tongxunlu" href="">
<span class="icon"></span>
<span class="text">通讯录</span>
</a>
<a class="li xiangce" href="">
<span class="icon"></span>
<span class="text">相册</span>
</a>
<a class="li wenzhang" href="">
<span class="icon"></span>
<span class="text">文章</span>
</a>
<a class="li note" href="">
<span class="icon"></span>
<span class="text">记事本</span>
</a>
<a class="li duanxin" href="">
<span class="icon"></span>
<span class="text">短信</span>
</a>
<a class="li zhaohui" href="">
<span class="icon"></span>
<span class="text">手机找回</span>
</a>
<a class="li youxi" href="">
<span class="icon"></span>
<span class="text">游戏</span>
</a>
<a class="li jiankang" href="">
<span class="icon"></span>
<span class="text">健康</span>
</a>
</p>
</p>
</p>
<span class="separate"></span>
<a class="def-nav" href="">应用</a>
</p>
<p class="info">
<ul>
<li class="info-i user-name has-pulldown">
<em class="f-icon pull-arrow"></em>
<a class="f-icon identity" href="" title="未开通VIP"></a>
<span class="name top-username">李四</span>
<p class="pulldown user-info">
<em class="arrow"></em>
<p class="content">
<span class="li"><a href="">个人资料</a></span>
<span class="li"><a href="">购买容量</a></span>
<span class="li"><a href="">免费扩容</a></span>
<span class="li"><a href="">会员中心</a></span>
<span class="separate-li no-height"></span>
<span class="li"><a href="javascript:;" id="signout">退出</a></span>
</p>
</p>
</li>
<li class="info-i default-text">
<a class="notice" href="" id="notificationTrigger">通知</a>
<em class="f-icon notice-nu" id="noticeNoParent">
<b class="f-icon" id="noticeNo">0</b>
</em>
</li>
<li class="info-i no-separate default-text has-pulldown">
<em class="f-icon pull-arrow"></em>
<span class="more" hideFocus="hideFocus">更多</span>
<p class="pulldown more-info">
<em class="arrow"></em>
<p class="content">
<span class="separate-li no-height"></span>
<span class="li"><a href="">收藏工具</a></span>
<span class="li"><a href="">历史记录</a></span>
<span class="li"><a href="">版本更新</a></span>
<span class="li"><a href="">帮助中心</a></span>
<span class="li"><a href="">问题反馈</a></span>
<span class="li"><a href="">服务协议</a></span>
<span class="li"><a href="">权利声明</a></span>
</p>
</p>
</li>
</ul>
</p>
</p>
<p style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';">
</p>
</body>
</html>Atas ialah kandungan terperinci jquery实现很酷的网页顶部图标下拉菜单效果. Untuk maklumat lanjut, sila ikut artikel berkaitan lain di laman web China PHP!
Apakah pemalam jquery?
Bagaimana untuk mengendalikan json dengan jquery
Bagaimana untuk memadam elemen dalam jquery
Penggunaan kaedah jQuery hover().
jquery melaksanakan kaedah paging
Apakah elemen tersembunyi dalam jquery
Apa yang ditonjolkan dalam jquery
Adakah perlu untuk menaik taraf windows 11?
![[Web front-end] Permulaan pantas Node.js](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
