<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>制作简单的树形菜单</title> <style type="text/css"> body{font-size:13px; line-height:20px; } a{font-size: 13px; color: #000000; text-decoration: none; } a:hover{font-size:13px; color: #ff0000; } img { vertical-align: middle; border:0; list-style-type: none; } .no_circle{list-style-type:none; /*设置列表项标志的类型为无*/ display:none; } </style> <script type="text/javascript"> function show(){ if(document.getElementById("art").style.display==‘block‘){ document.getElementById("art").style.display=‘none‘; //触动的ul如果处于显示状态，即隐藏 } else{ document.getElementById("art").style.display=‘block‘; //触动的ul如果处于隐藏状态，即显示 } } function show2(){ if(document.getElementById("tietu").style.display==‘block‘){ document.getElementById("tietu").style.display=‘none‘; //触动的ul如果处于显示状态，即隐藏 } else{ document.getElementById("tietu").style.display=‘block‘; //触动的ul如果处于隐藏状态，即显示 } } function show3(){ if(document.getElementById("fangchan").style.display==‘block‘){ document.getElementById("fangchan").style.display=‘none‘; //触动的ul如果处于显示状态，即隐藏 } else{ document.getElementById("fangchan").style.display=‘block‘; //触动的ul如果处于隐藏状态，即显示 } } function show4(){ if(document.getElementById("yule").style.display==‘block‘){ document.getElementById("yule").style.display=‘none‘; //触动的ul如果处于显示状态，即隐藏 } else{ document.getElementById("yule").style.display=‘block‘; //触动的ul如果处于隐藏状态，即显示 } } </script> </head> <body> <b><img src="images/fold.gif"><font color="#009900">树形菜单：</font></b> <a href="javascript:onclick=show() "><img src="images/fclose.gif">文学艺术</a> <ul id="art" class="no_circle"> <li><img src="images/doc.gif" >先锋写作</li> <li> <img src="images/doc.gif" >小说散文</li> <li><img src="images/doc.gif" >诗风词韵</li> </ul> <a href="javascript:onclick=show2() "> <img src="images/fclose.gif">贴图专区</a> <ul id="tietu" class="no_circle"> <li><img src="images/doc.gif" >真我风采</li> <li> <img src="images/doc.gif" >视屏贴图</li> <li><img src="images/doc.gif" >行行摄摄</li> <li><img src="images/doc.gif" >Flash贴图</li> </ul> <a href="javascript:onclick=show3() "> <img src="images/fclose.gif">房产论坛</a> <ul id="fangchan" class="no_circle"> <li><img src="images/doc.gif" >我要买房</li> <li> <img src="images/doc.gif" >楼市话题</li> <li><img src="images/doc.gif" >我要卖房</li> <li><img src="images/doc.gif" >租房心语</li> <img src="images/doc.gif" >二手市场</li> </ul> <a href="javascript:onclick=show4() "> <img src="images/fclose.gif">娱乐八卦</a> <ul id="yule" class="no_circle"> <li><img src="images/doc.gif" >红楼一梦</li> <li> <img src="images/doc.gif" >楼市话题</li> <li><img src="images/doc.gif" >笑话论坛</li> <li><img src="images/doc.gif" >休闲生活</li> <img src="images/doc.gif" >大话春秋</li> </ul> </body> </html>
原文：http://www.cnblogs.com/caidupingblogs/p/4926701.html