function getCookie()
{
var cookieString = new String(document.cookie);
var cookieHeader = "CookieObj=";
var beginPosition = cookieString.indexOf(cookieHeader);
var endPosition = cookieString.indexOf(";");
var CookieObj = null; if (beginPosition != -1)
{
CookieObjObj = cookieString.substring(beginPosition + cookieHeader.length, endPosition);
}
else
CookieObjObj = "";
return CookieObjObj;
}
{
var cookieString = new String(document.cookie);
var cookieHeader = "CookieObj=";
var beginPosition = cookieString.indexOf(cookieHeader);
var endPosition = cookieString.indexOf(";");
var CookieObj = null; if (beginPosition != -1)
{
CookieObjObj = cookieString.substring(beginPosition + cookieHeader.length, endPosition);
}
else
CookieObjObj = "";
return CookieObjObj;
}
{
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null) return unescape(arr[2]); return null;
}
function getCookie(name)
{
var search, offset;
search = name + "=";
offset = document.cookie.indexOf(search);
if (offset != -1)
{
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1)
end = document.cookie.length;
return unescape(document.cookie.substring(offset, end));
}else
return false;
}function setCookie(name, value, expires)
{
document.cookie = name + "=" + escape(value) + "; expires=" + expires.toGMTString() + "; path=/";
}var CookieVal = getCookie('MyCookie');
if (!CookieVal)
{
var Expire = 10; //minute
var ExpDate = new Date();
ExpDate.setTime(ExpDate.getTime() + 60 * 1000 * Expire);
setCookie('MyCookie', 'Hello,world', ExpDate);
alert("我种了一个Cookie:" + 'Hello,world' + '\n它将在10分钟后失效');
}else
{
alert("我读出了一个Cookie:" + CookieVal);
}
</SCRIPT>