当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 网站上面有这种切换效果

Javascript
用jQuery解决IE不支持的option disable属性
jQuery 源代码显示控件 (Ajax加载方式).
JS backgroundImage控制
jQuery 性能优化指南 (1)
jQuery 性能优化指南(2)
jQuery 性能优化指南(3)
input+select(multiple) 实现下拉框输入值
javascript getBoundingClientRect() 来获取页面元素的位置的代码[修正版]
jQuery 图像裁剪插件Jcrop的简单使用
让GoogleCode的SVN下的HTML文件在FireFox下正常显示.
jquery(1.3.2) 斑马线效果代码
JQuery Jcrop 实现图片裁剪的插件
jquery img src 获取实现代码
javascript 历史记录 经常用于产品最近历史浏览
jquery tabs的实现代码
jQuery 剧场版 你必须知道的javascript
JavaScript 闭包深入理解(closure)
js 图片缩放(按比例)控制代码
广告切换效果(缓动切换)
javascript 用局部变量来代替全局变量

Javascript 中的 网站上面有这种切换效果


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 376 ::
收藏到网摘: n/a

<!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>新闻切换技术</title>
<style type="text/css">
<!--
body { text-align: center; margin:0; padding:0; background: #FFF; font-size:12px; color:#000;}
div,form,img,ul,ol,li,dl,dt,dd {margin: 0; padding: 0; border: 0;}
h1,h2,h3,h4,h5,h6 { margin:0; padding:0;}
table,td,tr,th{font-size:12px;}
a:link {color: #000; text-decoration:none;}
a:visited {color: #83006f;text-decoration:none;}
a:hover {color: #c00; text-decoration:underline;}
a:active {color: #000;}
.focusPic{margin:0 auto; width:244px;}
.focusPic .pic{margin:0 auto; width:240px; height:180px; padding:2px 0 0;}
.focusPic .adPic{margin:0 auto 5px; width:240px; height:29px; overflow:hidden;background:url(http://tech.163.com/newimg/adpic.gif);}
.focusPic .adPic .text{float:right; padding:9px 4px 0 0; width:140px;}
.focusPic .adPic .text a{color:#1f3a87;}
.focusPic .adPic .text a:hover{color:#bc2931;}
.focusPic h2{ float:left; width:232px;padding:4px 0 3px 12px; font-size:14px; text-align:left;}
.focusPic p{float:left; width:226px;line-height:160%; margin:0; text-align:left;padding:0 0 10px 12px;}
.focusPic p img {margin:0px 0 2px;}
.focusPic .more{ margin:0 auto; width:240px; }
.focusPic .more .textNum{float:right; margin:0 8px 0 0;padding:0 0 4px;}
.focusPic .more .textNum .text{float:left; font-weight:bold; padding:7px 6px 0 0; color:#666;}
.focusPic .more .textNum .num{float:left; width:113px; height:19px;}
.focusPic .more .textNum .bg1{ background:url(http://tech.163.com/newimg/num1.gif);}
.focusPic .more .textNum .bg2{ background:url(http://tech.163.com/newimg/num2.gif);}
.focusPic .more .textNum .bg3{ background:url(http://tech.163.com/newimg/num3.gif);}
.focusPic .more .textNum .bg4{ background:url(http://tech.163.com/newimg/num4.gif);}
.focusPic .more .textNum .num ul{ float:left; width:113px;}
.focusPic .more .textNum .num li{float:left; width:28px; font-weight:bold;display:block; color:#fff; list-style-type:none; padding:6px 0 0;}
.focusPic .more .textNum .num li a{color:#fff; padding:0 5px; }
.focusPic .more .textNum .num li a:visited{color:#fff;}
.focusPic .more .textNum .num li a:hover{color:#ff0;}

-->
</style>
</head>

<body>
<script language="JavaScript" type="text/javascript">
var nn;
nn=1;
setTimeout('change_img()',6000);
function change_img()
{
if(nn>4) nn=1
setTimeout('setFocus1('+nn+')',6000);
nn++;
tt=setTimeout('change_img()',6000);
}
function setFocus1(i)
{
selectLayer1(i);
}
function selectLayer1(i)
{
switch(i)
{
case 1:
document.getElementById("focusPic1").style.display="block";
document.getElementById("focusPic2").style.display="none";
document.getElementById("focusPic3").style.display="none";
document.getElementById("focusPic4").style.display="none";
document.getElementById("focusPic1nav").style.display="block";
document.getElementById("focusPic2nav").style.display="none";
document.getElementById("focusPic3nav").style.display="none";
document.getElementById("focusPic4nav").style.display="none";
break;
case 2:
document.getElementById("focusPic1").style.display="none";
document.getElementById("focusPic2").style.display="block";
document.getElementById("focusPic3").style.display="none";
document.getElementById("focusPic4").style.display="none";
document.getElementById("focusPic1nav").style.display="none";
document.getElementById("focusPic2nav").style.display="block";
document.getElementById("focusPic3nav").style.display="none";
document.getElementById("focusPic4nav").style.display="none";
break;
case 3:
document.getElementById("focusPic1").style.display="none";
document.getElementById("focusPic2").style.display="none";
document.getElementById("focusPic3").style.display="block";
document.getElementById("focusPic4").style.display="none";
document.getElementById("focusPic1nav").style.display="none";
document.getElementById("focusPic2nav").style.display="none";
document.getElementById("focusPic3nav").style.display="block";
document.getElementById("focusPic4nav").style.display="none";
break;
case 4:
document.getElementById("focusPic1").style.display="none";
document.getElementById("focusPic2").style.display="none";
document.getElementById("focusPic3").style.display="none";
document.getElementById("focusPic4").style.display="block";
document.getElementById("focusPic1nav").style.display="none";
document.getElementById("focusPic2nav").style.display="none";
document.getElementById("focusPic3nav").style.display="none";
document.getElementById("focusPic4nav").style.display="block";
break;
}
}
</script>
<div class="focusPic">
<div id="focusPic1" style="display:block ;">
<div class="pic"> <a href="http://tech.163.com/special/000915SN/soft2005.html"><img src="http://cimg.163.com/tech/2006/1/18/2006011810122068706.jpg" alt="网易学院05年软件评选结果" width="240" height="180" border="0" /></a> </div>
<h2><a href="http://tech.163.com/special/000915SN/soft2005.html">网易学院05年软件评选结果</a></h2>
<p>经过大家的热情投票和我们的辛劳整理,网易学院2005年年度软件评选结果终于出炉啦。点击进入查看……<img src="/newimg/i2.gif" alt="详细" width="3" height="5" /> <a href="http://tech.163.com/special/000915SN/soft2005.html" class="cDRed">详细</a></p>
</div>
<div id="focusPic2" style="display: none ;">
<div class="pic"> <a href="http://tech.163.com/discover/"><img src="http://cimg.163.com/tech/2006/1/17/200601171557008cee7.jpg" alt="颠覆丛林动物生存法则" width="240" height="180" border="0" /></a> </div>
<h2><a href="http://tech.163.com/discover/">颠覆丛林动物生存法则</a></h2>
<p>群居动物的这种行为颠覆了我们通常认为的,在动物世界通行的 “丛林法则”,动物不都自私,不都是弱肉强食的。<img src="/newimg/i2.gif" alt="详细" width="3" height="5" /> <a href="http://tech.163.com/discover/" class="cDRed">详细</a></p>
</div>
<div id="focusPic3" style="display: none ;">
<div class="pic"> <a href="http://tech.163.com/special/00091MNJ/itobserve015.html"><img src="http://cimg.163.com/tech/2006/1/17/2006011711483290a60.jpg" alt="WAPI并非贸易阴谋" width="240" height="180" border="0" /></a> </div>
<h2><a href="http://tech.163.com/special/00091MNJ/itobserve015.html">WAPI并非贸易阴谋</a></h2>
<p>近日国家做出决定:“将向其他的国内及国外企业公布该算法”。事实证明中国WAPI标准并非是贸易阴谋。<img src="/newimg/i2.gif" alt="详细" width="3" height="5" /> <a href="http://tech.163.com/special/00091MNJ/itobserve015.html" class="cDRed">详细</a></p>
</div>
<div id="focusPic4" style="display: none ;">
<div class="pic"> <a href="http://tech.163.com/special/00091OSI/horizons.html"><img src="http://cimg.163.com/tech/2006/1/17/200601171002503f251.jpg" alt="新视野号探测冥王星特别专题" width="240" height="180" border="0" /></a> </div>
<h2><a href="http://tech.163.com/special/00091OSI/horizons.html">新视野号探测冥王星特别专题</a></h2>
<p>美国宇航局将于北京时间18日凌晨2时24分发射新视野号探测器,造访这颗人类唯一尚未探测过的行星-冥王星。<img src="/newimg/i2.gif" alt="详细" width="3" height="5" /> <a href="http://tech.163.com/special/00091OSI/horizons.html" class="cDRed">详细</a></p>
</div>
<div class="more">
<div class="textNum">
<div class="text">> 更多头图新闻</div>
<div class="num bg1" id="focusPic1nav" style="display: block;">
<ul>
<li>1</li>
<li><a href="javascript:setFocus1(2);" target="_self">2</a></li>
<li><a href="javascript:setFocus1(3);" target="_self">3</a></li>
<li><a href="javascript:setFocus1(4);" target="_self">4</a></li>
</ul>
</div>
<div class="num bg2" id="focusPic2nav" style="display: none;">
<ul>
<li><a href="javascript:setFocus1(1);" target="_self">1</a></li>
<li>2</li>
<li><a href="javascript:setFocus1(3);" target="_self">3</a></li>
<li><a href="javascript:setFocus1(4);" target="_self">4</a></li>
</ul>
</div>
<div class="num bg3" id="focusPic3nav" style="display: none;">
<ul>
<li><a href="javascript:setFocus1(1);" target="_self">1</a></li>
<li><a href="javascript:setFocus1(2);" target="_self">2</a></li>
<li>3</li>
<li><a href="javascript:setFocus1(4);" target="_self">4</a></li>
</ul>
</div>
<div class="num bg4" id="focusPic4nav" style="display: none;">
<ul>
<li><a href="javascript:setFocus1(1);" target="_self">1</a></li>
<li><a href="javascript:setFocus1(2);" target="_self">2</a></li>
<li><a href="javascript:setFocus1(3);" target="_self">3</a></li>
<li>4</li>
</ul>
</div>
</div>
</div>
</div>
</body>
</html>