简单的一个树形菜单
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>树形菜单</title> <style> body { font: 12px/20px 宋体; } img { vertical-align: center; border: none; } a { text-decoration: none; color: #000; } li { list-style: none; } </style> <script> function onclickfclose(id) { var ul = document.getElementById(id); var objv = ul.style.display; if (objv == ‘none‘) { ul.style.display = ‘block‘ } else { ul.style.display = ‘none‘; } } </script> </head> <body> <b><img src="images/fold.gif" alt="">树形菜单</b> <ul> <a href="javascript:onclickfclose(‘art‘)"><img src="images/fclose.gif" alt="">文学艺术</a> </ul> <ul id="art" style="display: none;"> <li><img src="images/doc.gif" alt="">著名小说</li> <li><img src="images/doc.gif" alt="">著名小说</li> <li><img src="images/doc.gif" alt="">著名小说</li> <li><img src="images/doc.gif" alt="">著名小说</li> </ul> <ul> <a href="javascript:onclickfclose(‘fangc‘)"><img src="images/fclose.gif" alt="">房产论坛</a> </ul> <ul id="fangc" style="display: none;> <li><img src=" images/doc.gif" alt="">房产推销</li> <li><img src="images/doc.gif" alt="">房产推销</li> <li><img src="images/doc.gif" alt="">房产推销</li> <li><img src="images/doc.gif" alt="">房产推销</li> </ul> <ul> <a href="javascript:onclickfclose(‘tuhua‘)"><img src="images/fclose.gif" alt="">提图专区</a> </ul> <ul id="tuhua" style="display: none;> <li><img src=" images /doc.gif" alt="">风景图画</li> <li><img src="images/doc.gif" alt="">风景图画</li> <li><img src="images/doc.gif" alt="">风景图画</li> <li><img src="images/doc.gif" alt="">风景图画</li> </ul> <ul> <a href="javascript:onclickfclose(‘bagua‘)"><img src="images/fclose.gif" alt="">娱乐八卦</a> </ul> <ul id="bagua" style="display: none;> <li><img src=" images /doc.gif" alt="">明星采访</li> <li><img src="images/doc.gif" alt="">明星采访</li> <li><img src="images/doc.gif" alt="">明星采访</li> <li><img src="images/doc.gif" alt="">明星采访</li> </ul> </body> </html>
原文：http://www.cnblogs.com/lwj820876312/p/7058597.html