更换网页背景的jquery代码(写入cookie)

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>

 





更换网页背景的jquery代码(写入cookie)



  • 更换背景:


About the author

柏小白 administrator