Jquery+cookie选择样式表文件[试验田]

HTML:

<!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=utf-8" />

<title>切换样式表</title>

<script type="text/javascript" src="jquery.js"></script>

<script type="text/javascript" src="switchStyle.js"></script>

<link rel="stylesheet" type="text/css" href="style1.css" title="style1" />

<link rel="alternate stylesheet" type="text/css" href="style2.css" title="style2" />

<link rel="alternate stylesheet" type="text/css" href="style3.css" title="style3" />

</head>

<body>

<h1>hello baby</h1>

<a href="#" class="styles" rel="style1">style1</a>

<a href="#" class="styles" rel="style2">style2</a>

<a href="#" class="styles" rel="style3">style3</a>

</body>

</html>

JS:

$(function(){

$('.styles').click(function()

{

switchStyle(this.rel); //this.rel 取出当前元素属性rel的值,也可以使用id

return false;

});

var c=readCookie('style');

if (c) switchStylestyle(c);

});

function switchStyle(styleName)

{

$('link[@rel*=style][@title]').each(function(i) //遍历link

{

this.disabled=true;

if(this.title == styleName)this.disabled = false;

});

createCookie('style',styleName,365);

}

function createCookie(name,value,days){

if(days)

{

var date=new Date();

date.setTime(date.getTime()+(days*24*60*60*1000));//1000毫秒 getTime()取从1970.1.1到当前时间毫秒

var expires=" ; expires="+date.toGMTString();

}else var expires=" ";

document.cookie=name+"="+value+expires+" ; path=/";

}

function readCookie(name){

var nameEQ=name+"=";

var ca=document.cookie.split(';');

for(var i=0;i<ca.length;i++){

var c=ca[i];

while(c.charAt(0)==" ") c=c.substring(1,c.length); //charAt(0) 看C的0位置是什么,如果c不存在返回" "

if(c.indexOf(nameEQ)==0)return c.substring(nameEQ.length,c.length);

}

return null;

}

function eraseCookie(name){

createcokie(name,"",-1)

}

css文件3个.

style1.css :

body{background:#CCCCCC;}

h1{color:red;}

style2.css :

body{background:#6699FF;}

h1{color:#336600;}

style3.css :

body{background:#CC99CC;}

h1{color:#FFFF00;}