1     /*** 2      * 获取距今多少年的日期 3      * @param num 负值往前，正值往后 4      * @return 5      */ 6     public static Date getYear(Integer num) { 7         Calendar c = Calendar.getInstance(); 8         c.setTime(new Date()); 9         c.add(Calendar.YEAR, num);10         Date date = c.getTime();11         return date;12     }