1 /**
  2  * cookie
  3  * @constructor
  4  * @param {String} key 键
  5  * @param {String} value 值
  6  * @example vui.cookie('the_cookie');
  7  */
  8 vui.cookie = function (key, value, options) {
  9     // key and value given, set cookie...
 10     if (arguments.length > 1 && (value === null || typeof value !== "object")) {
 11         options = jQuery.extend({}, options);
 12 
 13         if (value === null) {
 14             options.expires = -1;
 15         }
 16 
 17         if (typeof options.expires === 'number') {
 18             var days = options.expires, t = options.expires = new Date();
 19             t.setDate(t.getDate() + days);
 20         }
 21 
 22         return (document.cookie = [
 23             encodeURIComponent(key), '=',
 24             options.raw ? String(value) : encodeURIComponent(String(value)),
 25             options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
 26             options.path ? '; path=' + options.path : '',
 27             options.domain ? '; domain=' + options.domain : '',
 28             options.secure ? '; secure' : ''
 29         ].join(''));
 30     }
 31 
 32     // key and possibly options given, get cookie...
 33     options = value || {};
 34     var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
 35     return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
 36 };
 37 
 38