常用的3个方法function SetCookie(sName, sValue) { document.cookie = sName + "=" + escape(sValue); var date = new Date(); date.setMonth(date.getMonth()+1); document.cookie += ("; expires=" + date.toUTCString()); } function GetCookie(sName) { var aCookie = document.cookie.split("; "); for (var i=0; i < aCookie.length; i++) { // a name/value pair (a crumb) is separated by an equal sign var aCrumb = aCookie[i].split("="); if (sName == aCrumb[0]) return unescape(aCrumb[1]); } // a cookie with the requested name does not exist return null; }function DelCookie(sName) { document.cookie = sName + "=; expires=Fri, 31 Dec 1999 23:59:59 GMT;"; }
{
document.cookie = sName + "=" + escape(sValue);
var date = new Date();
date.setMonth(date.getMonth()+1);
document.cookie += ("; expires=" + date.toUTCString());
}
function GetCookie(sName)
{
var aCookie = document.cookie.split("; ");
for (var i=0; i < aCookie.length; i++)
{
// a name/value pair (a crumb) is separated by an equal sign
var aCrumb = aCookie[i].split("=");
if (sName == aCrumb[0])
return unescape(aCrumb[1]);
}
// a cookie with the requested name does not exist
return null;
}function DelCookie(sName)
{
document.cookie = sName + "=; expires=Fri, 31 Dec 1999 23:59:59 GMT;";
}
删除cookie也就是设置其过期,也就是一楼的代码。