jquery.cookie.js 用法 jquery获取当前cookie

获取当前登录用户COOKIE字符串

JS获取方式

<head >

var cookiestr = $.cookie('_lainfo_');

</script>

</head>

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jquery.cookie.js

/*!

* jQuery Cookie Plugin v1.3

* https://github.com/carhartl/jquery-cookie

*

* Copyright 2011, Klaus Hartl

* Dual licensed under the MIT or GPL Version 2 licenses.

* http://www.opensource.org/licenses/mit-license.php

* http://www.opensource.org/licenses/GPL-2.0

*/

(function ($, document, undefined) {

var pluses = /\+/g;

function raw(s) {

return s;

}

function decoded(s) {

return decodeURIComponent(s.replace(pluses, ' '));

}

var config = $.cookie = function (key, value, options) {

// write

if (value !== undefined) {

options = $.extend({}, config.defaults, options);

if (value === null) {

options.expires = -1;

}

if (typeof options.expires === 'number') {

var days = options.expires, t = options.expires = new Date();

t.setDate(t.getDate() + days);

}

value = config.json ? JSON.stringify(value) : String(value);

return (document.cookie = [

encodeURIComponent(key), '=', config.raw ? value : encodeURIComponent(value),

options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE

options.path ? '; path=' + options.path : '',

options.domain ? '; domain=' + options.domain : '',

options.secure ? '; secure' : ''

].join(''));

}

// read

var decode = config.raw ? raw : decoded;

var cookies = document.cookie.split('; ');

for (var i = 0, l = cookies.length; i < l; i++) {

var parts = cookies[i].split('=');

if (decode(parts.shift()) === key) {

var cookie = decode(parts.join('='));

return config.json ? JSON.parse(cookie) : cookie;

}

}

return null;

};

config.defaults = {};

$.removeCookie = function (key, options) {

if ($.cookie(key) !== null) {

$.cookie(key, null, options);

return true;

}

return false;

};

})(jQuery, document);

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具体使用方法见这里 http://wenku.baidu.com/view/0147277e27284b73f2425074.html