js操作cookie
穿转载自http://www.w3cschool.cc/js/js-cookies.html
//设置cookie,参数依次为,cookie键值,cookie值,cookie时间(代表天数)
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;
}
//获取cookie
function getCookie(cname){
var name = cname + "=";
var ca = document.cookie.split(';');
for(var i=0; i<ca.length; i++)
{
var c = ca[i].trim();
if (c.indexOf(name)==0)
return c.substring(name.length,c.length);
}
return "zj";
}
//删除cookie
function delCookie (cookie_name) {
document.cookie = cookie_name+"=; expires=Thu, 01 Jan 1970 00:00:00 GMT";
}
不知道为什么,今天在本地测,删除cookie是成功的,昨天在服务器上面,删除cookie死活不行,服务器系统也是windows啊。。。。。
昨天不成功解决办法
var date=new Date();
date.setTime(date.getTime()-10000);
document.cookie=cookie_name+"=zj; expire="+date.toGMTString()+"; path=/";