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>
随时随地看视频
