js操作cookie （转）

//网页引用

<script language="javascript"src="./js/cookie.js"></script>

//取cookie值
var hrckdeptcode = Cookie("hrckdeptcode");
var hrckdeptname = Cookie("hrckdeptname");

//保存cookie值
setCookie("hrckdeptcode", deptcode, expdate, "/", null, false);
setCookie("hrckdeptname", deptname, expdate, "/", null, false);


把下面的脚本放到 cookie.js 文件里

var expdate= new Date();

function getCookieVal (offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1) endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}

function Cookie (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 null;
}

function setCookie (name,value,expires,path,domain,secure) {
expdate.setTime(expdate.getTime() + (24*60*60*1000*365));
document.cookie = name + "=" + escape (value) +
((expires) ? "; expires=" + expires.toGMTString() : "") +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
((secure) ? "; secure" : "");
}

function deleteCookie(name) {
expdate = new Date();
expdate.setTime(expdate.getTime() - (86400 * 1000 * 1));
setCookie(name, "", expdate);
}