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<nav id="mainmenu">
<ul class="">
<li class="selected">
<a href="{$mybb->settings['bburl']}/portal.php">门户</a>
</li>
<li>
<a href="{$mybb->settings['bburl']}/index.php">论坛首页</a>
</li>
<li class="drop-down">
<a href="#">家电论坛</a>
<ul>
<li class="submenu">
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=72">空调论坛</a>
</li>
<li class="submenu">
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=89">冰箱论坛</a>
</li>
<li class="submenu">
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=85">洗衣机论坛</a>
</li>
<li class="submenu">
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=69">抽油烟机论坛</a>
</li>
<li class="submenu">
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=82">燃气灶论坛</a>
</li>
<li class="submenu">
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=93">太阳能热水器论坛</a>
</li>
<li class="submenu">
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=75">壁挂炉论坛</a>
</li>
<li class="submenu">
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=78">电视机论坛</a>
</li>
</ul>
</li>
<li>
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=59">水电木瓦漆论坛</a>
</li>
<li>
<a href="{$mybb->settings['bburl']}/forumdisplay.php?fid=1">保洁论坛</a>
</li>
</ul>
</nav>
nav#mainmenu {
margin: 0;
padding: 0;
list-style: none;
margin-bottom: -4px;
font-size: 1.1em;
clear: right;
position: relative;
/*margin-left: 255px*/
}
nav#mainmenu ul{
text-align: right;
margin: -10px 5px 0 0;
}
nav#mainmenu ul li {
/*display: inline-block;
margin: 0 1px*/
margin: 0 7px;
display: inline-block;
}
nav#mainmenu ul li a {
padding: 4px 10px 6px;
display: block;
text-decoration: none;
border-bottom: 4px solid #3a3a3a;
font-weight: bold;
}
nav#mainmenu ul li a:hover {
border-bottom: 4px solid #ff7500;
color:#ff7500;
font-weight: bold;
}
nav#mainmenu ul li.selected a {
color: #000;
font-weight: bold;
border-bottom: 4px solid #ff7500
}
nav#mainmenu ul li ul {
font-weight: 300;
display: none;
position: absolute;
width: 140px;
z-index: 999;
background-color: #ffffff;
}
nav#mainmenu ul li ul li {
list-style:none;
display: list-item;
float: none;
line-height: 30px;
text-align: center;
/*padding:0;*/
}
nav#mainmenu ul li ul li a {
width: 100%;
}
/*nav ul li ul li a:hover{ background-color:#06f;} */
nav#mainmenu ul li:hover>ul {
display: block;
}
<script>
$(function(){
var cotrs =$("#mainmenu li a");
cotrs.click(function(){
//cotrs.removeClass("selected");
$(this).parent().addClass("selected").siblings().removeClass("selected");;
return true;
});
});
</script>
$("#mainmenu ul li").click(function(){
$("#mainmenu ul li").attr('class','');
$(this).attr('class','selected');
});
将它放在$(function(){
});中 $("#mainmenu ul li").click=function(){
$("#mainmenu ul li").attr('class','');
$(this).attr('class','selected');
}
把它写在jQuery中