javascript Cookie管理-JSP教程,Java技巧及代码

function setcookie(name,value,expiry,path,domain,secure){

var namestring = name + "=" + value;

var expirystring = (expiry == null) ? "" : " ;expires = "+ expiry.togmtstring();

var pathstring = (path == null) ? "" : " ;path = "+ path;

var domainstring = (path == null) ? "" : " ;domain = "+ domain;

var securestring = (secure) ?";secure" :"";

document.cookie = namestring + expirystring + pathstring + domainstring + securestring;

}

function getcookie (name) {

var cookiefound = false;

var start = 0;

var end = 0;

var cookiestring = document.cookie;

var i = 0;

while (i <= cookiestring.length) {

start = i ;

end = start + name.length;

if (cookiestring.substring(start, end) == name){

cookiefound = true;

break;

}

i++;

}

if (cookiefound){

start = end + 1;

end = cookiestring.indexof(";",start);

if (end < start)

end = cookiestring.length;

return unescape(cookiestring.substring(start, end));

}

return "";

}

function deletecookie(name){

var expires = new date();

expires.settime (expires.gettime() – 1);

setcookie( name , "delete cookie", expires,null,null,false);

}