By柏小白
更换网页背景的jquery代码（写入cookie）
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8" />
<title>更换网页背景的jquery代码（写入cookie）</title>
<style type="text/css">
body,p,ul{margin:0;padding:0;}
ul{float:right;height:40px;margin-top:20px;margin-right:20px;}
ul li{list-style-type:none;float:left;width:20px;height:20px;margin-left:10px;cursor:pointer;}
.skin{height:40px;position:fixed;background:#fff;border-bottom:solid 1px #cccc;top:0;left:0;width:100%;}
.red{background:#F06;}/*红色*/
.black{background:#000;}/*黑色*/
.blue{background:#09F;}/*蓝色*/
.green{background:#093;}/*绿色*/
</style>
<script type="text/javascript" src="http://ajax.useso.com/ajax/libs/jquery/1.7.2/jquery.min.js?ver=3.4.2"></script>
<script type="text/javascript">
$(document).ready(function(){
//为了安全 google chrome 等浏览器是禁止本地文件写Cookie的即file:///F:/Lord%20community/lrtk/Untitled-2.html这样的以file开头的是不能写本地文件的
var cookieClass = getCookie('class');//读取需要缓存的对象。
$("body").attr("class",cookieClass);//
$(".skin_list li").each(function(){
$(this).click(function(){
var className=$(this).attr("class");//保存当前选择的类名
$("body").attr("class",className,30);//把选中的类名给body
function SetCookie(name,value,day)//两个参数，一个是cookie的名子，一个是值
{
var exp = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + day*24*60*60*1000);
document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}
SetCookie("class",className,30);
})
});
});
function getCookie(name)//取cookies函数
{
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);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
</script>
</head>
<body>
<div class="skin"><ul class="skin_list"><li style="width:100px;text-align:right;">更换背景：</li></li><li class="red"></li><li class="black"></li><li class="blue"></li><li class="green"></li></ul></div>
</body>
</html>
- 更换背景：
柏小白 administrator
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