Jquery cookie plug-in code class

Provides convenient methods to operate cookies:
Copy codeThe Code is as follows:
$. Cookie (the _ cookie); // obtain the cookie
$. Cookie (the _ cookie, the _ value); // set the cookie
$. Cookie (the _ cookie, the _ value, {expires: 7}); // set a cookie with time
$. Cookie (the _ cookie, the _ value, {expires: 7, path: '/', domain: 'sosuo8. com ', secure: true });
$. Cookie (the _ cookie ', '', {expires:-1}); // Delete
$. Cookie (the _ cookie, null); // delete a cookie

Code:
Copy codeThe Code is as follows:
/**
* Cookie plugin
*
* Copyright (c) 2006 Klaus Hartl (stilbuero.de)
* Dual licensed under the MIT and GPL licenses:
* Http://www.opensource.org/licenses/mit-license.php
* Http://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. Keep in mind that you have to use the same path and domain
* Used when the cookie was set.
*
* @ 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 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 * 24x60*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;
}
};