JavaScript Cookie

<script type="text/javascript">
//网页加载
$(function() {
var fontsize = getCookie('fontsize');
if (fontsize != null && fontsize != "") {
$(".sizepan").removeClass("current");
$("#sizespan_" + fontsize).addClass("current");
$(".page-content").attr("style", "font-size:"+fontsize+"px");
}
});
//变更字体大小
function changeSize(size) {
$(".sizepan").removeClass("current");
$("#sizespan_" + size).addClass("current");
$(".page-content").attr("style", "font-size:" + size + "px");
setCookie('fontsize', size, 7);
}
</script>
<script type="text/javascript">
//获取cookie
function getCookie(cName) {
if (document.cookie.length > 0) {
var cStart = document.cookie.indexOf(cName + "=");
if (cStart != -1) {
cStart = cStart + cName.length + 1;
var cEnd = document.cookie.indexOf(";", cStart);
if (cEnd == -1) cEnd = document.cookie.length;
return unescape(document.cookie.substring(cStart, cEnd));
}
}
return "";
}
//设置cookie
function setCookie(cName, value, expiredays) {
var exdate = new Date();
exdate.setDate(exdate.getDate() + expiredays);
document.cookie = cName + "=" + escape(value) +
((expiredays == null) ? "" : "; expires=" + exdate.toGMTString());
}
</script>