一个假的页面载入效果代码(和真的差不多)!!! dn001 2009-06-21 08:28:32 CSS+JS打造类似QQ的网站导航菜单特效，网站上可以使用下！非常不错，强烈推荐下！ <!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>CSS+JS打造类似QQ的网站导航菜单特效</title> <style type="text/css"> body {font:12px Tahoma, sans-serif;color:#4D4D4D;margin:0px; text-align:center} a{color:#4D4D4D;text-decoration:none} a:hover{color:#AD0000;text-decoration:none} #menu {width:160px;margin:0px;padding:0px;text-align:left;list-style:none;border:1px solid #B0D4ED} #menu .item {margin:0px;padding:0px;list-style:none; text-align:center} a.title:link,a.title:visited,a.title:hover {display:block;height:30px;line-height:30px; margin-top:1px;background:#E1F2FD;border-top:1px solid #B0D4ED;border-bottom:1px solid #B0D4ED;font-weight:bold;} #menu .item ul {margin:0;list-style:none;display:none;text-align:center} #menu .item ul li {height:24px;line-height:22px;border-bottom:1px solid #BFDBEE;margin:0 20px} </style> <script language="javascript" type="text/javascript"> // --- 获取ClassName document.getElementsByClassName = function(cl) { var retnode = []; var myclass = new RegExp('b'+cl+'b'); var elem = this.getElementsByTagName('*'); for (var j = 0; j < elem.length; j++) { var classes = elem[j].className; if (myclass.test(classes)) retnode.push(elem[j]); } return retnode; } // --- 隐藏所有 function HideAll() { var items = document.getElementsByClassName("optiton"); for (var j=0; j<items.length; j++) { items[j].style.display = "none"; } } // --- 设置cookie function setCookie(sName,sValue,expireHours) { var cookieString = sName + "=" + escape(sValue); //;判断是否设置过期时间 if (expireHours>0) { var date = new Date(); date.setTime(date.getTime + expireHours * 3600 * 1000); cookieString = cookieString + "; expire=" + date.toGMTString(); } document.cookie = cookieString; } //--- 获取cookie function getCookie(sName) { var aCookie = document.cookie.split("; "); for (var j=0; j < aCookie.length; j++){ var aCrumb = aCookie[j].split("="); if (escape(sName) == aCrumb[0]) return unescape(aCrumb[1]); } return null; } window.onload = function() { var show_item = "opt_1"; if (getCookie("show_item") != null) { show_item= "opt_" + getCookie("show_item"); } document.getElementById(show_item).style.display = "block"; var items = document.getElementsByClassName("title"); for (var j=0; j<items.length; j++) { items[j].onclick = function() { var o = document.getElementById("opt_" + this.name); if (o.style.display != "block") { HideAll(); o.style.display = "block"; setCookie("show_item",this.name); } else { o.style.display = "none"; } } } } </script> </head> <body> <ul id="menu"> <li class="item"><a href="javascript:void(0)" class="title" name="1">菜单选项一</a> <ul id="opt_1" class="optiton"> <li><a href="#">子菜单一</a></li> <li><a href="#">子菜单二</a></li> <li><a href="#">子菜单三</a></li> <li><a href="#">子菜单四</a></li> </ul> </li> <li class="item"><a href="javascript:void(0)" class="title" name="2">菜单选项二</a> <ul id="opt_2" class="optiton"> <li><a href="#">子菜单一</a></li> <li><a href="#">子菜单二</a></li> <li><a href="#">子菜单三</a></li> <li><a href="#">子菜单四</a></li> </ul> </li> <li class="item"><a href="javascript:void(0)" class="title" name="3">菜单选项三</a> <ul id="opt_3" class="optiton"> <li><a href="#">子菜单一</a></li> <li><a href="#">子菜单二</a></li> <li><a href="#">子菜单三</a></li> <li><a href="#">子菜单四</a></li> </ul> </li> <li class="item"><a href="javascript:void(0)" class="title" name="4">菜单选项四</a> <ul id="opt_4" class="optiton"> <li><a href="#">子菜单一</a></li> <li><a href="#">子菜单二</a></li> <li><a href="#">子菜单三</a></li> <li><a href="#">子菜单四</a></li> </ul> </li> </ul> </body> </html>
