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JavaScript Cookie操作

function setCookie(NameOfCookie, value, expiredays)
{
var ExpireDate = new Date ();
ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));
document.cookie = NameOfCookie + “=” + escape(value) +
((expiredays == null) ? “” : “; expires=” + ExpireDate.toGMTString());
}

function getCookie(NameOfCookie)
{
if (document.cookie.length > 0)
{
begin = document.cookie.indexOf(NameOfCookie+”=”);
if (begin != -1)
{
begin += NameOfCookie.length+1;//cookie值的初始位置
end = document.cookie.indexOf(“;”, begin);//结束位置
if (end == -1) end = document.cookie.length;//没有;则end为字符串结束位置
document.write(document.cookie.substring(begin, end));
return unescape(document.cookie.substring(begin, end));
}
}
return null;
}

function delCookie (NameOfCookie)
{
if (getCookie(NameOfCookie))
{
document.cookie = NameOfCookie+”=”+”;expires=Thu, 01-Jan-70 00:00:01 GMT”;
}
}

分类:Other
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