实现分类导航滑动效果。
html结构:
<div id="menu"> <ul id="G_chan-panel" class="pop-panel pp_channels Fix" style="position: absolute; visibility: visible; z-index: 1001; top: 175px; left: 189px; "> <li class="root-item "> <a href="#" class="root-name"><span>餐饮</span></a> <ul class="pop-panel Fix sub-list"> <li class="main-cate"><a href="#">餐饮频道</a></li> <li><a href="#">粤菜</a></li> ... </ul> </li> <li class="root-item"> <a href="#" class="root-name"><span>购物</span></a> <ul class="pop-panel Fix sub-list"> <li class="main-cate"><a href="#">购物频道</a></li> <li><a href="#">超市/便利店</a></li> ... <li><a href="#">其他</a></li> </ul> </li> </ul> </div>
jquery代码:
<script type="text/javascript"> $(function () { $('#G_chan-panel').delegate("li", "mouseenter", function () { $(this).addClass("active") }); $('#G_chan-panel').delegate("li", "mouseleave", function () { $(this).removeClass("active") }); }); </script>
css样式:
BODY { background-color:#fff; color:#555; font: 9pt/14px Tahoma, "宋体", Arial, Helvetica, Sans-Serif; letter-spacing: 0; margin: 0; } html, body, ul, ol, li, dl, dt, dd, p, h1, h2, h3, h4, h5, h6, a, img, th, td, form, fieldset, iframe, object, pre, code, legend, blockquote { border: 0 none; margin: 0; outline: 0 none; padding: 0; } h1, h2, h3, h4, h5, h6 { font-size: 100%; font-weight: normal; } UL, LI { list-style: none outside none; margin: 0; padding: 0; } IMG { border: medium none; margin: 0; padding: 0; cursor:pointer; } input, img, select { vertical-align: middle; } A { color: #666666; } A:link { color: #666666; text-decoration: none; } A:visited { color: #666666; text-decoration: none; } A:hover { color: #C90809; text-decoration: none; } /*导航*/ .pp_channels .root-item, .pp_channels .root-name, .pp_channels .root-name span, .pp_channels .sub-list li a { background-image: url("bg.png"); background-repeat: no-repeat; } .G_chan-panel { position: absolute; z-index: 1000; top: 120px; left: 199px; visibility: hidden; } .pp_channels { width: 138px; padding: 0; border-width: 0 0 2px 1px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; -moz-box-shadow: -1px 1px 1px #ccc; -webkit-box-shadow: 0 1px 5px #ccc; box-shadow: 0 1px 5px #ccc; } .pp_channels .root-item { zoom: 1; position: relative; width: 139px; height: 34px; background-position: -13px -373px; overflow: visible; vertical-align: middle; } .pp_channels .root-name { display: block; z-index: 1001; position: relative; border-top:1px solid #B9F5D2; padding-left: 10px; background-position: -10px -358px; cursor: pointer; } .pp_channels .root-name span { display: block; border-right: 1px solid #B9F5D2; padding-left: 9px; height: 34px; font-size: 1.2em; line-height: 34px; color: #000; background-position: -167px -358px; } .pp_channels .active .root-name { background: #fff; } .pp_channels .active .root-name span { color: #C00; border-color: #fff; } .pp_channels .no-sub .root-name span { border-color: #fff; background-position: 20px -358px; } .pp_channels .sub-list { left: 138px; top: -34px; padding: 5px 2px 5px 16px; width: 200px; overflow: hidden; _top: -35px; -moz-box-shadow: -1px 1px 1px #ccc; -webkit-box-shadow: 0 1px 5px #ccc; box-shadow: 0 1px 5px #ccc; } .pp_channels .active .sub-list { visibility: visible; } .pp_channels .sub-list li { float: left; width: 83px; margin: 0 10px 5px 0; } .pp_channels .sub-list .main-cate { width: 200px; margin-right: -10px; font-weight: bold; } .pp_channels .sub-list a { padding-left: 3px; line-height: 21px; background-position: -169px -418px; *background-position: -169px -420px; } .pp_channels .sub-list a: hover { background-position: -169px -438px; *background-position: -169px -440px; } .pop-panel { z-index: 1000; position: absolute; visibility: hidden; border: 1px solid #B9F5D2; padding: 5px 9px; background: #fff; color: #61646E; #margin-left:-0px; _margin-left:-0px; } .pop-panel a { color: #61646E; } .pop-panel a: hover { text-decoration:none; color: #C00; }
其他一些应用:
//定位 var X = $('#G_chan').offset().top; var Y = $('#G_chan').offset().left; $("#G_chan-panel").offset({ top: X + 36, left: Y - 5 }); //鼠标经过 动画效果 防点击链接跳转 $("#G_chan").hover(function (event) { event || event.stopPropagation(); $("#G_chan-panel").slideDown().mouseleave(function () { $(this).slideUp() }); }); //点击 城市列表 下拉动画 防冒泡 $("#G_loc").click(function (event) { event.preventDefault(); $("#G_loc-panel").slideToggle("slow"); });
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