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[网页设计]左边条纹跟随鼠标滑动导航


左边条纹跟随鼠标滑动导航

demo下载地址:http://pan.baidu.com/s/1ntqYXjr

效果如下:

 

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 ="http://www.w3.org/1999/xhtml"><head><meta charset="utf-8"><title>左边跟随鼠标滑动导航</title><meta name="keywords" content="滑动导航" /><meta name="description" content="左边跟随鼠标滑动导航" /><style>/*---------重置---------*/html {  font-size: 100%;  -webkit-text-size-adjust:100%;  -ms-text-size-adjust:100%;*overflow:auto;  _overflow-x:hidden;}body {  margin:0;}p, ul, ol, form, dl, h1, h2, h3, h4, h5, h6 {  margin-top:0;  margin-bottom:0;}dl, dd {  margin-left:0;}ul, ol {  padding-left:0;*margin-left:0;  list-style-type: none;}ul li {*zoom:1;*vertical-align:bottom;}em, var, cite, i {  font-style:normal;}small {  font-size:inherit;}s, a {  text-decoration:none;}:focus {  outline:none;}blockquote, q {  quotes:none;  margin:0;}table {  border-collapse:collapse;  border-spacing:0;  empty-cells:show;/*table-layout:fixed;*/}img, iframe {  border:none;}img {  vertical-align: top;  -ms-interpolation-mode: bicubic;/*ie7防止图片缩小失真的*/}/*---------竖向菜单(非必需)---------*/.bl-vernav li {  border-bottom:1px solid #ddd;  margin-bottom:-1px;  padding-top:1px;}.bl-vernav a {  display:block;  height:20px;  line-height:20px;  padding:10px 16px;}.bl-vernav a:hover {  background:#F8F8F8;  text-decoration:none;}/*.bl-vernav .cur a{ background:#428BCA; color:#fff;}*/.bl-vernav-ord {  border:1px solid #ddd;}.vernav-level li li {  border-left:none;  border-right:none;}.vernav-level li li a {  padding-left:40px;}.vernav-level .cur .one {  background:#F8F8F8;}.vernav-level li .cur a {  background:#F8F8F8;}/*diy*/  .bl-vernav-wrap {  position:relative;}.bl-vernav-wrap .sideLine {  position:absolute;  left:-6px;  top:0;  z-index:1;  line-height:0;  font-size:0;  border-left:#FF5F3E solid 7px;  background-color:#F8F8F8;}.bl-vernav {  position:relative;  z-index:2;}.bl-vernav a:hover {  background-color:transparent;}.demobox {  width:460px;  font-size:14px;  color:#333;  font-family:'Hiragino Sans GB', 'Microsoft Yahei', "WenQuanYi Micro Hei", SimSun, Tahoma, Arial, Helvetica, STHeiti;}a {  color:#333;  text-decoration:none;}</style></head><body style="padding:50px;"><div class="demobox">  <h1 class="h3">左边条纹跟随鼠标滑动导航</h1>  <br/>  <div class="bl-vernav-wrap">    <div class="sideLine"></div>    <ul class="bl-vernav vernav-level">      <li><a href="#" class="one">导航菜单</a></li>      <li class="cur"> <a href="#" class="one">神探夏洛克</a>        <ul>          <li><a href="#">海贼王</a></li>          <li><a href="#">海贼王</a></li>          <li><a href="#">海贼王</a></li>        </ul>      </li>      <li><a href="#" class="one">神探夏洛克</a></li>      <li><a href="#" class="one">神探夏洛克</a></li>      <li><a href="#" class="one">神探夏洛克</a></li>    </ul>  </div></div><script src="http://cdn.bootcss.com/jquery/2.1.4/jquery.min.js"></script> <script>$(function(){  var verNav = $(".bl-vernav"),    //第一层ul.    line = verNav.siblings(".sideLine"),  //左边条纹线    verNavFirst = verNav.children("li:first"),    //第一层ul中第一个li    curY = verNav.children("li.cur").position().top;      line.height(verNavFirst.outerHeight()-1).width(verNavFirst.outerWidth());//设置辅助线初始化高度和宽度,也可以直接用css设置好,这里就不用js计算了   verNav.find("li").mouseenter(function(){    var thisY = $(this).position().top;    line.stop(true,true).animate({top:thisY},200);    return false  })  .end()  .mouseleave(function(){    line.stop(true,true).animate({top:curY},300)    }).trigger("mouseleave");});</script></body></html>