读取cookie
// Example:
// alert( readCookie("myCookie") );
function readCookie(name)
{
var cookieValue = "";
var search = name + "=";
if(document.cookie.length > 0)
{
offset = document.cookie.indexOf(search);
if (offset != -1)
{
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
cookieValue = unescape(document.cookie.substring(offset, end))
}
}
return cookieValue;
}打开窗口
window.open("aaa.php","mywin","width=100,height=100");
// Example:
// alert( readCookie("myCookie") );
function readCookie(name)
{
var cookieValue = "";
var search = name + "=";
if(document.cookie.length > 0)
{
offset = document.cookie.indexOf(search);
if (offset != -1)
{
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
cookieValue = unescape(document.cookie.substring(offset, end))
}
}
return cookieValue;
}打开窗口
window.open("aaa.php","mywin","width=100,height=100");
window.open("aaa.php","mywin","width=100,height=100");
function setCookie(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) + ";expires=" + exp.toGMTString();
location.href="read.htm";
}
</script>
<form name=form>
name:<input type=text name=sname1>
<input type=button value="Set" onclick="setCookie('bao',document.all.sname1.value)">
</form>
read.htm<script>
function getCookie(name)
{
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null) return unescape(arr[2]); return null;
}
</script>
<!--你可以设置取得到的cookie的值进行判断.-->
<!--可以改成定时刷新,定时对cookie的值进行判断来决定是否打开指定窗口-->
<input type=button value="Get" onclick="if(getCookie('bao')=='baobao')window.open('test.htm')">