JQuery Cookie

来源：互联网发布：霍恩布洛尔船长知乎编辑：程序博客网时间：2024/06/16 11:29
<%@ 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>