1     /**
 2      * 获取未来 第 past 天的日期
 3      * 
 4      * @param past
 5      * @return
 6      */
 7     public static Date getFetureDate(int past) {
 8         Calendar calendar = Calendar.getInstance();
 9         calendar.set(Calendar.DAY_OF_YEAR, calendar.get(Calendar.DAY_OF_YEAR) + past);
10         Date today = calendar.getTime();
11         return today;
12     }