方法一:
var date = new Date();
date.setTime(date.getTime() + (x * 60 * 1000));
$.cookie('example', 'foo', { expires: date });
方法二:
[removed]
var expiresDate= new Date();
expiresDate.setTime(expire.getTime() + (? * 60 * 1000)); //?替换成分钟数如果为60分钟则为 60 * 60 *1000
$.cookie("__cookie