JS 设置与获取Cookie，函数setCookie(name,value,time)getCookie(name)

//—————-

//read COOKIE

function getCookie(cookiename) {

var result;

var mycookie = document.cookie;

var start2 = mycookie.indexOf(cookiename + "=");

if (start2 > -1) {

start = mycookie.indexOf("=", start2) + 1;

var end = mycookie.indexOf(";", start);

if (end == -1) {

end = mycookie.length;

}

result = unescape(mycookie.substring(start, end));

}

return result;

}

//—————-

//write COOKIE

function setCookie(cookiename, cookievalue, hours) {

var date = new Date();

date.setTime(date.getTime() + Number(hours) * 3600 * 1000);

document.cookie = cookiename + "=" + cookievalue + "; path=/;expires = " + date.toGMTString();

}