http://plugins.jquery.com/cookie/
1 代码 2 3 Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> 1 <html> 4 <head> 5 <title>JQuery-Cookie插件</title> 6 <script type="text/javascript" src="jquery-1.4.js"></script> 7 <script type="text/javascript" src="jquery.cookie.js"></script> 8 </head> 9 <body> 10 <a href="#">设置cookie1</a><br> 11 <a href="#">设置cookie2</a><br> 12 <a href="#">获取cookie</a><br> 13 <a href="#">删除cookie</a><br> 14 </body> 15 </html> 16 <script type="text/javascript"> 17 $(function(){ 18 var COOKIE_NAME = 'test_cookie'; 19 //设置cookie，通过时间间隔 20 $('a').eq(0).click(function() { 21 $.cookie(COOKIE_NAME, 'test', { path: '/', expires: 1 }); 22 return false; 23 }); 24 // 设置cookie，到期时间 25 $('a').eq(1).click(function() { 26 var date = new Date(); 27 date.setTime(date.getTime() + (1 * 24 * 60 * 60 * 1000)); 28 $.cookie(COOKIE_NAME, 'test', { path: '/', expires: date }); 29 return false; 30 }); 31 // 获取 cookie 32 $('a').eq(2).click(function() { 33 alert($.cookie(COOKIE_NAME)); 34 return false; 35 }); 36 // 删除cookie 37 $('a').eq(3).click(function() { 38 $.cookie(COOKIE_NAME, null, { path: '/' }); 39 return false; 40 }); 41 }); 42 </script>
1 代码 2 3 Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> 1 jQuery.cookie = function(name, value, options) { 4 if (typeof value != 'undefined') { // name and value given, set cookie 5 options = options || {}; 6 if (value === null) { 7 value = ''; 8 options.expires = -1; 9 } 10 var expires = ''; 11 if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) { 12 var date; 13 if (typeof options.expires == 'number') { 14 date = new Date(); 15 date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000)); 16 } else { 17 date = options.expires; 18 } 19 expires = '; expires=' + date.toUTCString(); 20 } 21 var path = options.path ? '; path=' + (options.path) : ''; 22 var domain = options.domain ? '; domain=' + (options.domain) : ''; 23 var secure = options.secure ? '; secure' : ''; 24 document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join(''); 25 } else { 26 var cookieValue = null; 27 if (document.cookie && document.cookie != '') { 28 var cookies = document.cookie.split(';'); 29 for (var i = 0; i < cookies.length; i++) { 30 var cookie = jQuery.trim(cookies[i]); 31 if (cookie.substring(0, name.length + 1) == (name + '=')) { 32 cookieValue = decodeURIComponent(cookie.substring(name.length + 1)); 33 break; 34 } 35 } 36 } 37 return cookieValue; 38 } 39 };
1 /*! 2 * jQuery Cookie Plugin v1.4.1 3 * https://github.com/carhartl/jquery-cookie 4 * 5 * Copyright 2013 Klaus Hartl 6 * Released under the MIT license 7 */ 8 (function (factory) { 9 if (typeof define === 'function' && define.amd) { 10 // AMD 11 define(['jquery'], factory); 12 } else if (typeof exports === 'object') { 13 // CommonJS 14 factory(require('jquery')); 15 } else { 16 // Browser globals 17 factory(jQuery); 18 } 19 }(function ($) { 20 21 var pluses = /+/g; 22 23 function encode(s) { 24 return config.raw ? s : encodeURIComponent(s); 25 } 26 27 function decode(s) { 28 return config.raw ? s : decodeURIComponent(s); 29 } 30 31 function stringifyCookieValue(value) { 32 return encode(config.json ? JSON.stringify(value) : String(value)); 33 } 34 35 function parseCookieValue(s) { 36 if (s.indexOf('"') === 0) { 37 // This is a quoted cookie as according to RFC2068, unescape... 38 s = s.slice(1, -1).replace(/\"/g, '"').replace(/\\/g, '\'); 39 } 40 41 try { 42 // Replace server-side written pluses with spaces. 43 // If we can't decode the cookie, ignore it, it's unusable. 44 // If we can't parse the cookie, ignore it, it's unusable. 45 s = decodeURIComponent(s.replace(pluses, ' ')); 46 return config.json ? JSON.parse(s) : s; 47 } catch(e) {} 48 } 49 50 function read(s, converter) { 51 var value = config.raw ? s : parseCookieValue(s); 52 return $.isFunction(converter) ? converter(value) : value; 53 } 54 55 var config = $.cookie = function (key, value, options) { 56 57 // Write 58 59 if (value !== undefined && !$.isFunction(value)) { 60 options = $.extend({}, config.defaults, options); 61 62 if (typeof options.expires === 'number') { 63 var days = options.expires, t = options.expires = new Date(); 64 t.setTime(+t + days * 864e+5); 65 } 66 67 return (document.cookie = [ 68 encode(key), '=', stringifyCookieValue(value), 69 options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE 70 options.path ? '; path=' + options.path : '', 71 options.domain ? '; domain=' + options.domain : '', 72 options.secure ? '; secure' : '' 73 ].join('')); 74 } 75 76 // Read 77 78 var result = key ? undefined : {}; 79 80 // To prevent the for loop in the first place assign an empty array 81 // in case there are no cookies at all. Also prevents odd result when 82 // calling $.cookie(). 83 var cookies = document.cookie ? document.cookie.split('; ') : []; 84 85 for (var i = 0, l = cookies.length; i < l; i++) { 86 var parts = cookies[i].split('='); 87 var name = decode(parts.shift()); 88 var cookie = parts.join('='); 89 90 if (key && key === name) { 91 // If second argument (value) is a function it's a converter... 92 result = read(cookie, value); 93 break; 94 } 95 96 // Prevent storing a cookie that we couldn't decode. 97 if (!key && (cookie = read(cookie)) !== undefined) { 98 result[name] = cookie; 99 } 100 } 101 102 return result; 103 }; 104 105 config.defaults = {}; 106 107 $.removeCookie = function (key, options) { 108 if ($.cookie(key) === undefined) { 109 return false; 110 } 111 112 // Must not alter options, thus extending a fresh object... 113 $.cookie(key, '', $.extend({}, options, { expires: -1 })); 114 return !$.cookie(key); 115 }; 116 117 }));