javaScript Cookie读写

admin · 发表于 2022-7-27 20:09:16

[mw_shl_code=applescript,true]<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>jsCookie读写</title>
</head>
<head>
<script>
function setCookie(cname,cvalue,exdays){
var d = new Date();
d.setTime(d.getTime()+(exdays*24*60*60*1000));
var expires = "expires="+d.toGMTString();
document.cookie = cname+"="+cvalue+"; "+expires;
}
function getCookie(cname){
var name = cname + "=";
var ca = document.cookie.split(';');
for(var i=0; i<ca.length; i++) {
var c = ca.trim();
if (c.indexOf(name)==0) { return c.substring(name.length,c.length); }
}
return "";
}
function checkCookie(){
var user=getCookie("username");
if (user!=""){
alert("欢迎 " + user + " 再次访问");
}
else {
user = prompt("请输入你的名字:","");
if (user!="" && user!=null){
setCookie("username",user,30);
}
}
}
</script>
</head>

<body onload="checkCookie()"></body>

</html>[/mw_shl_code]

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javaScript Cookie读写

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