日期:2014-05-17  浏览次数:20755 次

当前选中样式怎么写?
代码如下,nav_now是“当前”导航的样式,我想实现点到哪个导航,那个导航的的颜色变成白色,请问怎么实现?
效果类似:
http://59.173.12.139:70/jointowntech/channels/3.html
的左边部分。

CSS code

/*主导航*/
#nav {width:405px; height:588px; background:url(../images/nav_bg.png) no-repeat; position:absolute; top:0px; right:0px;}

#nav ul {margin-top:70px; margin-left:85px;}

#nav li {height:36px; background:url(../images/nav_icon.png) no-repeat 0 0; padding-left:50px; text-align:left; margin-bottom:50px;}

#nav li a {font-size:24px; font-weight:bold; line-height:36px; text-decoration:none; color:#ffd600;}

#nav li a:hover {color:#FFF;}

/*当前链接*/

a.nav_now {font-size:24px; font-weight:bold; line-height:36px; text-decoration:none; color:#FFF;}

a.nav_now:link {color:#FFF;}

a.nav_now:visited {color:#FFF;}

a.nav_now:hover {color:ffd600;}
/*主导航栏目定位*/

#nav_01 {margin-left:0px;}

#nav_02 {margin-left:42px;}

#nav_03 {margin-left:67px;}

#nav_04 {margin-left:80px;}

#nav_05 {margin-left:85px;}

#nav_06 {margin-left:85px;}



HTML code

<div id="nav">

    <ul>

      <li id="nav_01" ><a href="main.html">首页</a></li>

      <li id="nav_02"><a href="#">介绍</a></li>

      <li id="nav_03"><a href="#">政务</a></li>

      <li id="nav_04"><a href="#">交易平台</a></li>

      <li id="nav_05"><a href="#">商贸</a></li>

      <li id="nav_06"><a href="#">物流</a></li>

    </ul>

  </div>




------解决方案--------------------
HTML code

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
    <head>
        <title></title>
        <style type="text/css">
        #test a:hover {color:white;}
        </style>
    </head>
    <body>
    <div id="test">
      <li id="nav_01" ><a href="main.html">首页</a></li>

      <li id="nav_02"><a href="#">介绍</a></li>

      <li id="nav_03"><a href="#">政务</a></li>

      <li id="nav_04"><a href="#">交易平台</a></li>

      <li id="nav_05"><a href="#">商贸</a></li>

      <li id="nav_06"><a href="#">物流</a></li>
</div>

    
    </body>
</html>

------解决方案--------------------
<ul id="tab">
<li class="current">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
</ul>


function TabEve(){
//缓存变量
var $tab_li = $("#tab li");

$tab_li.each(function(i,n){
$(n).click(function(){
$tab_li.removeClass("current");
$(n).addClass("current");
})
})
}

大概是这样