js中的cookie操作

(function (factory) {
if (typeof define === 'function' && define.amd) {
define(factory);
} else if (typeof exports === 'object') {
module.exports = factory();
} else {
var _OldCookies = window.Cookies;
var api = window.Cookies = factory(window.jQuery);
api.noConflict = function () {
window.Cookies = _OldCookies;
return api;
};
}
}(function () {
function extend () {
var i = 0;
var result = {};
for (; i < arguments.length; i++) {
var attributes = arguments[ i ];
for (var key in attributes) {
result[key] = attributes[key];
}
}
return result;
}

function init (converter) {
function api (key, value, attributes) {
var result;

// Write

if (arguments.length > 1) {
attributes = extend({
path: '/'
}, api.defaults, attributes);

if (typeof attributes.expires === 'number') {
var expires = new Date();
expires.setMilliseconds(expires.getMilliseconds() + attributes.expires * 864e+5);
attributes.expires = expires;
}

try {
result = JSON.stringify(value);
if (/^[\{\[]/.test(result)) {
value = result;
}
} catch (e) {}

value = encodeURIComponent(String(value));
value = value.replace(/%(23|24|26|2B|3A|3C|3E|3D|2F|3F|40|5B|5D|5E|60|7B|7D|7C)/g, decodeURIComponent);

key = encodeURIComponent(String(key));
key = key.replace(/%(23|24|26|2B|5E|60|7C)/g, decodeURIComponent);
key = key.replace(/[\(\)]/g, escape);

return (document.cookie = [
key, '=', value,
attributes.expires && '; expires=' + attributes.expires.toUTCString(), // use expires attribute, max-age is not supported by IE
attributes.path    && '; path=' + attributes.path,
attributes.domain  && '; domain=' + attributes.domain,
attributes.secure ? '; secure' : ''
].join(''));
}

// Read

if (!key) {
result = {};
}

// To prevent the for loop in the first place assign an empty array
// in case there are no cookies at all. Also prevents odd result when
// calling "get()"
var cookies = document.cookie ? document.cookie.split('; ') : [];
var rdecode = /(%[0-9A-Z]{2})+/g;
var i = 0;

for (; i < cookies.length; i++) {
var parts = cookies[i].split('=');
var name = parts[0].replace(rdecode, decodeURIComponent);
var cookie = parts.slice(1).join('=');

if (cookie.charAt(0) === '"') {
cookie = cookie.slice(1, -1);
}

try {
cookie = converter && converter(cookie, name) || cookie.replace(rdecode, decodeURIComponent);

if (this.json) {
try {
cookie = JSON.parse(cookie);
} catch (e) {}
}

if (key === name) {
result = cookie;
break;
}

if (!key) {
result[name] = cookie;
}
} catch (e) {}
}

return result;
}

api.get = api.set = api;
api.getJSON = function () {
return api.apply({
json: true
}, [].slice.call(arguments));
};
api.defaults = {};

api.remove = function (key, attributes) {
api(key, '', extend(attributes, {
expires: -1
}));
};

api.withConverter = init;

return api;
}

return init();
}));

Cookies(name, value); || Cookies.set(name, value);  //name：所存cookie的名称；value：名称对应的值

Cookies(name1, value1); || Cookies.set(name1, value1);

Cookies(name,value, { expires: 7 }); || Cookies.set(name,value, { expires: 7 });  // 设置cookie失效时间，单位：天

Cookies(name,value, { expires: 7,path:"/路径",domain: "域名"}); || Cookies.set(name,value, { expires: 7,path:"/路径",domain: "域名"});// 设置cookie,包括有效期 路径 域名等

Cookies(); || Cookies.get();  //读取所有cookie,输出的是对象==>{name:value, name1:value1}

Cookies(name); || Cookies.get(name);  //读取对应名称的cookie==>value

Cookies(name:""); //将cookie清空

Cookie.remove(name:""); //删除cookie 对应的cookie名称也删除