这是一个简单、轻量级的,基于jQuery的目录树。纯html代码。
<html>
<head>
</head>
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
<script>
$( document ).ready( function( ) {
$( '.tree li' ).each( function() {
if( $( this ).children( 'ul' ).length > 0 ) {
$( this ).addClass( 'parent' );
}
});
$( '.tree li.parent > a' ).click( function( ) {
$( this ).parent().toggleClass( 'active' );
$( this ).parent().children( 'ul' ).slideToggle( 'fast' );
});
$( '#all' ).click( function() {
$( '.tree li' ).each( function() {
$( this ).toggleClass( 'active' );
$( this ).children( 'ul' ).slideToggle( 'fast' );
});
});
});
</script>
<style>
body, a {
color: #3B4C56;
font-family: sans-serif;
font-size: 14px;
text-decoration: none;
}
#pgtitle
{
margin: 0px 0px 20px;
font-size: 18pt;
text-align: center;
}
a{
cursor:pointer;
}
.tree ul {
list-style: none outside none;
}
.tree li a {
line-height: 25px;
}
.tree > ul > li > a {
color: #3B4C56;
display: block;
font-weight: normal;
position: relative;
text-decoration: none;
}
.tree li.parent > a {
padding: 0 0 0 28px;
}
.tree li.parent > a:before {
background-position: 25px center;
content: "|";
display: block;
height: 21px;
left: 0;
position: absolute;
top: 2px;
vertical-align: middle;
width: 23px;
}
.tree ul li.active > a:before {
background-position: 0 center;
}
.tree ul li ul {
border-left: 1px solid #D9DADB;
display: none;
margin: 0 0 0 12px;
overflow: hidden;
padding: 0 0 0 25px;
}
.tree ul li ul li {
position: relative;
}
.tree ul li ul li:before {
border-bottom: 1px dashed #E2E2E3;
content: "";
left: -20px;
position: absolute;
top: 12px;
width: 15px;
}
#wrapper {
margin: 0 auto;
width: 300px;
}
</style>
<body>
<div id="wrapper">
<div class="tree">
<button id="all">Toggle All</button>
<ul>
<li><a>第一级目录</a>
<ul>
<li><a>第二级目录</a></li>
<li><a>第二级目录</a></li>
<li><a>第二级目录</a></li>
</ul>
</li>
<li><a>第一级目录</a>
<ul>
<li><a>第二级目录</a>
<ul>
<li><a>第三级目录</a></li>
<li><a>第三级目录</a></li>
<li><a>第三级目录</a>
<ul>
<li><a>第四级目录</a></li>
<li><a>第四级目录</a></li>
<li><a>第四级目录</a>
<ul>
<li><a>第五级目录</a></li>
<li><a>第五级目录</a></li>
<li><a>第五级目录</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li><a>第二级目录</a></li>
</ul>
</li>
<li><a>第一级目录</a>
<ul>
<li><a>第二级目录</a></li>
<li><a>第二级目录</a></li>
</ul>
</li>
</ul>
</div>
</div>
</body>
</html>