JS操作Cookie 大全
2009-06-30 04:02:00 来源：WEB开发网<SCRIPT language=javascript>
function setCookies(name,value)
{
var Days = 30; //此 cookie 将被保存 30 天
var exp = new Date(); //new Date("December 31, 9998");
exp.setTime(exp.getTime() + Days*24*60*60*1000);
document.cookie = name + "="+ escape(value) +";expire*="+ **p.toGMTString();
}
function getCookies(name)
{
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null) return unescape(arr[2]); return null;
}
function getcookies()
{
document.form1.UserName.value=getCookies("Loginusername");
\把你要表单初始化放在这
}
function delCookies(name)
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie=name +"="+cval+";expire*="+**p.toGMTString();
}
function submit()
{
username=document.form1.UserName.value；
setCookies('Loginusername',username)
\创建一个cookies,第一个为名字，后面的为值
}
</script>
<body onload="getcookies()">
</body>
/////////////////////////////////////////////////////////////////////
function getExpDate(days, hours, minutes) {
var expDate = new Date( );
if (typeof days == "number" && typeof hours == "number" &&
typeof hours == "number") {
expDate.setDate(expDate.getDate( ) + parseInt(days));
expDate.setHours(expDate.getHours( ) + parseInt(hours));
expDate.setMinutes(expDate.getMinutes( ) + parseInt(minutes));
return expDate.toGMTString( );
}
}
// utility function called by getCookie( )
function getCookieVal(offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1) {
endstr = document.cookie.length;
}
return unescape(document.cookie.substring(offset, endstr));
}
// primary function to retrieve cookie by name
function getCookie(name) {
var arg = name + "=";
var alen = arg.length;
var clen = document.cookie.length;
var i = 0;
while (i < clen) {
var j = i + alen;
if (document.cookie.substring(i, j) == arg) {
return getCookieVal(j);
}
i = document.cookie.indexOf(" ", i) + 1;
if (i == 0) break;
}
return "";
}
// store cookie value with optional details as needed
function setCookie(name, value, expires, path, domain, secure) {
document.cookie = name + "=" + escape (value) +
((expires) ? "; expires=" + expires : "") +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
((secure) ? "; secure" : "");
}
// remove the cookie by setting ancient expiration date
function deleteCookie(name,path,domain) {
if (getCookie(name)) {
document.cookie = name + "=" +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
"; expires=Thu, 01-Jan-70 00:00:01 GMT";
}
}
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