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jquery鼠标移上去显示二级下拉菜单

时间:2013-12-26 08:48 来源:互联网 作者:源码搜藏 收藏 推荐

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  • jquery下拉菜单,当鼠标移在主菜单上的时候,向下滑出二级子菜单,采用UL LI结构,便于修改完善,我觉得是很实用的菜单,希望大家平时能用得上。
  • <!DOCTYPE html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>jquery下拉菜单[www.codesocang.com]</title>
    <script type="text/javascript" src="http://www.codefans.net/ajaxjs/jquery-1.6.2.min.js"></script>
    <style>
    * { margin: 0; padding: 0; }
    body {font-family: Arial, Tahoma, sans-serif; font-size: 11px; color: #232323; }
    .wrap { width: 800px; margin: 0 auto; }
    #nav { margin: 0; padding: 0; list-style: none; border-left: 1px solid #d5dce8; border-right: 1px solid #d5dce8; border-bottom: 1px solid #d5dce8; border-bottom-left-radius: 4px; -moz-border-radius-bottomleft: 4px; -webkit-border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; -moz-border-radius-bottomright: 4px; -webkit-border-bottom-right-radius: 4px; height: 50px; padding-left: 15px; padding-right: 15px; background: #edf3f7; }
    #nav li { float: left; display: block; background: none; position: relative; z-index: 999; margin: 0 1px; }
    #nav li a { display: block; padding: 0; font-weight: 700; line-height: 50px; text-decoration: none;  color: #818ba3; zoom: 1; border-left: 1px solid transparent; border-right: 1px solid transparent; padding: 0px 12px; }
    #nav li a:hover, #nav li a.hov { background-color: #fff; border-left: 1px solid #d5dce8; border-right: 1px solid #d5dce8; color: #576482; }
    #nav ul { position: absolute; left: 1px; display: none; margin: 0; padding: 0; list-style: none; -moz-box-shadow: 0 1px 3px rgba(0,0,0,0.2); -o-box-shadow: 0 1px 3px rgba(0,0,0,0.2); box-shadow: 0 1px 3px rgba(0,0,0,0.2); -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.2); padding-bottom: 3px; }
    #nav ul li { width: 180px; float: left; border-top: 1px solid #fff; text-align: left; }
    #nav ul li:hover { border-left: 0px solid transparent; border-right: 0px solid transparent; }
    #nav ul a { display: block; height: 20px; line-height: 20px; padding: 8px 5px; color: #666; border-bottom: 1px solid transparent; text-transform:  uppercase; color: #797979; font-weight: normal; }
    #nav ul a:hover { text-decoration: none; border-right-color: transparent; border-left-color: transparent; background: transparent; color: #4e4e4e; }
    * html #nav ul { margin: 0 0 0 -2px; }
    .clearfix:after { content: "."; display: block; clear: both; visibility: hidden; line-height: 0; height: 0; }
    .clearfix { display: inline-block; }
    html[xmlns] .clearfix { display: block; }
    * html .clearfix { height: 1%; }
    </style>
    </head>
    <body>
    <div class="wrap">
    <ul id="nav">
    <li><a href="#">网站主页</a></li>
    <li><a href="#">关于我</a>
    <ul>
    <li><a href="#">Company</a></li>
    <li><a href="#">Authors</a></li>
    <li><a href="#">Advertising</a></li>
    </ul>
    </li>
    <li><a href="#">RSS订阅</a>
    <ul>
    <li><a href="#">PSD</a></li>
    <li><a href="#">Patterns</a></li>
    <li><a href="#">Icons</a></li>
    </ul>
    </li>
    <li><a href="#">精美博文</a>
    <ul>
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    </ul>
    </li>
    <li><a href="#">Web工具</a>
    <ul>
    <li><a href="#">Performance</a></li>
    <li><a href="#">CMS Plugins</a></li>
    <li><a href="#">Cheat Sheets</a></li>
    </ul>
    </li>
    <li><a href="#">Originals</a>
    <ul>
    <li><a href="#">Website Design</a></li>
    <li><a href="#">Mobile</a></li>
    </ul>
    </li>
    </ul>
    </div>
    <script type="text/javascript">
    $(document).ready(function() {
    $('#nav li').hover(function() {
    $('ul', this).slideDown(200);
    $(this).children('a:first').addClass("hov");
    }, function() {
    $('ul', this).slideUp(100);
    $(this).children('a:first').removeClass("hov");
    });
    });
    </script>
    </body>
    </html>

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