JQuery Cookie
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
pageContext.setAttribute("path", path);
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Cookie Test</title>
<script type="text/javascript" src="${path }/js/lhgdialog/jquery-1.7.2.min.js"></script>
<script type="text/javascript">
function set(){
$.cookie("menu", "测试!"); //设置cookie的值
alert("setCookie SUCCESS!");
}
function show(){
var menu = $.cookie("menu"); //取cookie的值
if(menu != null){
$("#d").html(menu);
}else{
$("#d").html("cookie为空！");
}
}
function del(){
$.cookie("menu", null); //删除cookie
alert("deleteCookie SUCCESS!");
}
jQuery.cookie = function(name, value, options) {
if (typeof value != 'undefined') { // name and value given, set cookie
options = options || {};
if (value === null) {
value = '';
options.expires = -1;
}
var expires = '';
if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
var date;
if (typeof options.expires == 'number') {
date = new Date();
date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
} else {
date = options.expires;
}
expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
}
// CAUTION: Needed to parenthesize options.path and options.domain
// in the following expressions, otherwise they evaluate to undefined
// in the packed version for some reason...
var path = options.path ? '; path=' + (options.path) : '';
var domain = options.domain ? '; domain=' + (options.domain) : '';
var secure = options.secure ? '; secure' : '';
document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
} else { // only name given, get cookie
var cookieValue = null;
if (document.cookie && document.cookie != '') {
var cookies = document.cookie.split(';');
for (var i = 0; i < cookies.length; i++) {
var cookie = jQuery.trim(cookies[i]);
// Does this cookie string begin with the name we want?
if (cookie.substring(0, name.length + 1) == (name + '=')) {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
break;
}
}
}
return cookieValue;
}
};
</script>
</head>
<body>
<a href="javascript:void();" onclick="set();">setCookie</a><br/><br/>
<a href="javascript:void();" onclick="show();">getCookie</a><br/>
show Cookie:<div id="d"></div><br/><br/><br/>
<a href="javascript:void();" onclick="del();">deleteCookie</a>
</body>
</html>
