谁说ajax怕刷新
其实只要在hash中传递一个参数就可以即（"#XXX"）
由于该问题具有一定代表性，所以提出来我的解决方案供大家参考。
<!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>无标题文档</title>
<style type="text/css">
<!--
* {
margin: 0; padding:0
}
body {
margin-top: 10px;
margin-right: auto;
margin-bottom: 10px;
margin-left: auto;
text-align: center;
height: auto;
width: auto;
background-color: #666666;
font-size: 12px;
color: #000000;
}
#container {
text-align: left;
width: 760px;
height: 400px;
background-color: #FFFFFF;
padding: 20px;
}
#container #title {
height: 28px;
}
#container #title li {
float: left;
list-style-type: none;
height: 28px;
line-height: 28px;
text-align: center;
margin-right: 1px;
}
#container #title ul {
background-color: #FFFFFF;
height: 28px;
}
#container #title a {
text-decoration: none;
color: #000000;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -29px;
}
#container #title a span{
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -29px;
padding: 0 15px 0 15px;
}
#container #title #tag1 a:hover {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -87px;
}
#container #title #tag1 a:hover span{
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -87px;
padding: 0 15px 0 15px;
}
#container #title #tag2 a:hover {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left 0px;
}
#container #title #tag2 a:hover span{
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right 0px;
padding: 0 15px 0 15px;
}
#container #title #tag3 a:hover {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -58px;
}
#container #title #tag3 a:hover span{
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -58px;
padding: 0 15px 0 15px;
}
#container #title #tag4 a:hover {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -145px;
}
#container #title #tag4 a:hover span{
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -145px;
padding: 0 15px 0 15px;
}
#container #title #tag5 a:hover {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -174px;
}
#container #title #tag5 a:hover span{
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -174px;
padding: 0 15px 0 15px;
}
#container #title .selectli1 {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -87px;
}
#container #title a .selectspan1 {
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -87px;
padding: 0 15px 0 15px;
}
#container #title .selectli2 {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left 0px;
}
#container #title a .selectspan2 {
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right 0px;
padding: 0 15px 0 15px;
}
#container #title .selectli3 {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -58px;
}
#container #title a .selectspan3 {
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -58px;
padding: 0 15px 0 15px;
}
#container #title .selectli4 {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -145px;
}
#container #title a .selectspan4 {
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -145px;
padding: 0 15px 0 15px;
}
#container #title .selectli5 {
text-decoration: none;
color: #ffffff;
display: block;
width: auto;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif) no-repeat left -174px;
}
#container #title a .selectspan5 {
display: block;
background: url(http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif) no-repeat right -174px;
padding: 0 15px 0 15px;
}
#container #content ul {margin: 10px;}
#container #content li {margin: 5px; }
#container #content li img {margin: 5px;display:block;}
#container #content {
height: 300px;
padding: 10px;
}
.content1 {
border-top-width: 3px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: solid;
border-left-style: solid;
border-top-color: #3A81C8;
border-right-color: #3A81C8;
border-bottom-color: #3A81C8;
border-left-color: #3A81C8;
background-color: #DFEBF7;
}
.content2 {
border-top-width: 3px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: solid;
border-left-style: solid;
border-top-color: #ff950b;
border-right-color: #ff950b;
border-bottom-color: #ff950b;
border-left-color: #ff950b;
background-color: #FFECD2;
}
.content3 {
height: 300px;
padding: 10px;
border-top-width: 3px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: solid;
border-left-style: solid;
border-top-color: #FE74B8;
border-right-color: #FE74B8;
border-bottom-color: #FE74B8;
border-left-color: #FE74B8;
background-color: #FFECF5;
}
.content4 {
height: 300px;
padding: 10px;
border-top-width: 3px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: solid;
border-left-style: solid;
border-top-color: #00988B;
border-right-color: #00988B;
border-bottom-color: #00988B;
border-left-color: #00988B;
background-color: #E8FFFD;
}
.content5 {
height: 300px;
padding: 10px;
border-top-width: 3px;
border-right-width: 1px;
border-bottom-width: 1px;
border-left-width: 1px;
border-top-style: solid;
border-right-style: solid;
border-bottom-style: solid;
border-left-style: solid;
border-top-color: #A8BC1F;
border-right-color: #A8BC1F;
border-bottom-color: #A8BC1F;
border-left-color: #A8BC1F;
background-color: #F7FAE2;
}
.hidecontent {display:none;}
-->
</style>
<script language="javascript">
function switchTag(tag,content)
{
// alert(tag);
// alert(content);
for(i=1; i <6; i++)
{
if ("tag"+i==tag)
{
document.getElementById(tag).getElementsByTagName("a")[0].className="selectli"+i;
document.getElementById(tag).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="selectspan"+i;
}else{
document.getElementById("tag"+i).getElementsByTagName("a")[0].className="";
document.getElementById("tag"+i).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="";
}
if ("content"+i==content)
{
document.getElementById(content).className="";
}else{
document.getElementById("content"+i).className="hidecontent";
}
document.getElementById("content").className=content;
}
}
function init(){
t=document.location.hash.replace(\'#\',\'\');
if(t==\'\')t=1;
switchTag(\'tag\'+t,\'content\'+t);
}
</script>
</head>
<body onload="init()">
<div id="container">
<div id="title">
<ul>
<li id="tag1"><a href="#1" onclick="switchTag(\'tag1\',\'content1\');this.blur();" class="selectli1"><span class="selectspan1">首页</span></a></li>
<li id="tag2"><a href="#2" onclick="switchTag(\'tag2\',\'content2\');this.blur();"><span>下载中心</span></a></li>
<li id="tag3"><a href="#3" onclick="switchTag(\'tag3\',\'content3\');this.blur();"><span>产品介绍</span></a></li>
<li id="tag4"><a href="#4" onclick="switchTag(\'tag4\',\'content4\');this.blur();"><span>会员注册与登录</span></a></li>
<li id="tag5"><a href="#5" onclick="switchTag(\'tag5\',\'content5\');this.blur();"><span>联系我们</span></a></li>
</ul>
</div>
<div id="content" class="content1">
<div id="content1"><p>仿淘宝网站的导航效果。此方法有几个优点：</p>1、根据字数自适应项目长度</div>
<div id="content2" class="hidecontent">2、不同的项目使用不同的颜色来区分</div>
<div id="content3" class="hidecontent">3、这回需要使用到js了，呵呵</div>
<div id="content4" class="hidecontent">4、背景图片只需要两个图片文件就足够，减少服务器负担</div>
<div id="content5" class="hidecontent">5、这是使用到的两个图片：
<table width="58%" border="1" cellspacing="2" cellpadding="0">
<tr>
<td width="70%" align="center"><img src="http://pics.taobao.com/2k5/sys/component/tab_selected_left_bk2.gif" width="250" height="290" /></td>
<td width="30%" align="center"><img src="http://pics.taobao.com/2k5/sys/component/tab_selected_right_bk2.gif" width="15" height="290" /></td>
</tr>
</table>
</div>
</div>
</div>
</body>
</html>
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