2.html代码：
[php]
<div id="header">
<link rel="stylesheet" href="styles/skin/skin_0.css" type="text/css" id="cssfile" />
<a id="logo" href="#">Jane Shopping</a>
<ul id="skin">
<li id="skin_0" title="蓝色" class="selected">蓝色</li>
<li id="skin_1" title="紫色">紫色</li>
<li id="skin_2" title="红色">红色</li>
<li id="skin_3" title="天蓝色">天蓝色</li>
<li id="skin_4" title="橙色">橙色</li>
<li id="skin_5" title="淡绿色">淡绿色</li>
</ul>
</div>
[php]
jQuery.cookie = function(name, value, options) { //jquery插件
if (typeof value != 'undefined') { // name and value given, set cookie
options = options || {};
if (value === null) {
value = '';
options.expires = -1;
}
var expires = '';
if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
var date;
if (typeof options.expires == 'number') {
date = new Date();
date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
} else {
date = options.expires;
}
expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
}
var path = options.path ? '; path=' + (options.path) : '';
var domain = options.domain ? '; domain=' + (options.domain) : '';
var secure = options.secure ? '; secure' : '';
document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
} else { // only name given, get cookie
var cookieValue = null;
if (document.cookie && document.cookie != '') {
var cookies = document.cookie.split(';');
for (var i = 0; i < cookies.length; i++) {
var cookie = jQuery.trim(cookies[i]);
// Does this cookie string begin with the name we want?
if (cookie.substring(0, name.length + 1) == (name + '=')) {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
break;
}
}
}
return cookieValue;
}
};
[php]
//网站换肤
$(function(){
var $li =$("#skin li");
$li.click(function(){
switchSkin( this.id );
});
var cookie_skin = $.cookie("MyCssSkin");
if (cookie_skin) {
switchSkin( cookie_skin );
}
});
function switchSkin(skinName){
$("#"+skinName).addClass("selected") //当前<li>元素选中
.siblings().removeClass("selected"); //去掉其他同辈<li>元素的选中
$("#cssfile").attr("href","styles/skin/"+ skinName +".css"); //设置不同皮肤
$.cookie( "MyCssSkin" , skinName , { path: '/', expires: 10 });
}