可兼容IE的获取及设置cookie的jquery.cookie函数方法
可兼容ie的获取及设置cookie的jquery.cookie函数方法。
在开发过程中，因为之前有接触过discuz，就直接拿其common.js里面的getcookie和setcookie方法来使用，做到后面在使用ie来测试的时候，发现这两个方法子啊ie下不起作用，就请教同事，这样就有了jquery.cookie.js文件的由来，里面的代码很少，我贴在下面，方便以后使用和研究吧。
. 代码如下:
/**
* cookie plugin
*
* copyright (c) 2006 klaus hartl (stilbuero.de)
* dual licensed under the mit and gpl licenses:
* https://www.opensource.org/licenses/mit-license.php
* https://www.gnu.org/licenses/gpl.html
*
*/
/**
* create a cookie with the given name and value and other optional parameters.
*
* @example $.cookie('the_cookie', 'the_value');
* @desc set the value of a cookie.
* @example $.cookie('the_cookie', 'the_value', {expires: 7, path: '/', domain: 'jquery.com', secure: true});
* @desc create a cookie with all available options.
* @example $.cookie('the_cookie', 'the_value');
* @desc create a session cookie.
* @example $.cookie('the_cookie', null);
* @desc delete a cookie by passing null as value.
*
* @param string name the name of the cookie.
* @param string value the value of the cookie.
* @param object options an object literal containing key/value pairs to provide optional cookie attributes.
* @option number|date expires either an integer specifying the expiration date from now on in days or a date object.
* if a negative value is specified (e.g. a date in the past), the cookie will be deleted.
* if set to null or omitted, the cookie will be a session cookie and will not be retained
* when the the browser exits.
* @option string path the value of the path atribute of the cookie (default: path of page that created the cookie).
* @option string domain the value of the domain attribute of the cookie (default: domain of page that created the cookie).
* @option boolean secure if true, the secure attribute of the cookie will be set and the cookie transmission will
* require a secure protocol (like https).
* @type undefined
*
* @name $.cookie
* @cat plugins/cookie
* @author klaus hartl/klaus.hartl@stilbuero.de
*/
/**
* get the value of a cookie with the given name.
*
* @example $.cookie('the_cookie');
* @desc get the value of a cookie.
*
* @param string name the name of the cookie.
* @return the value of the cookie.
* @type string
*
* @name $.cookie
* @cat plugins/cookie
* @author klaus hartl/klaus.hartl@stilbuero.de
*/
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
}
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;
}
};