javascript操作cookie实例+详细注释

最新推荐文章于 2024-02-17 19:51:30 发布

iteye_12827

最新推荐文章于 2024-02-17 19:51:30 发布

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文章标签： javascript ViewUI

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title></title>
</head>
<body>
<h1>
<script type="text/javascript">
//获取cookie
function getCookie(name) {
var cookies = document.cookie.split("; ");
for (var i = 0; i < cookies.length; i++) {
var s = cookies[i].split('=');
if (s[0] == name) return s[1];
}
}
//设置cookie
function setCookie(name, value, expireTime) {
var expireTimeStr = expireTime ? "expire=" + expireTime.toGMTString() : '';
document.cookie = name + "=" + value + ";" + expireTimeStr;
}
//获取当前cookie的客户名称不一定存在默认为""
var lastPerson = getCookie('$name$') || '';
//把当前的名称放入输入框中
var name = prompt("What's your name?", lastPerson);
//获取当前客户访问的次数不一定存在默认为0
var times = getCookie(name) || 0;
//设置当前客户的访问次数 times-0+1是为了让javascript自动的把字符串转换为数字格式
setCookie(name, times - 0 + 1);
//把访问者写入cookie,以"$name"代表客户实际名,以客户的实际名存储客户的访问次数
//设置当前客户的名称
setCookie("$name$", name);
if (times > 0)
document.write("Hello" + name + "nice to meet you again!");
else
document.write("Hello" + name + "!");
</script>