private void setTilteMessage(){ BaseDao dao = new BaseDao(); String titleData = dao.getLatestData(); dao.closeDB(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); try { Date date = sdf.parse(titleData); Calendar calendar = new GregorianCalendar(); calendar.setTime(date); calendar.add(calendar.DATE,1);//把日期往后增加一天.整数往后推,负数往前移动 date=calendar.getTime(); //这个时间就是日期往后推一天的结果 String putDate = sdf.format(date); //增加一天后的日期 } catch (ParseException e) { e.printStackTrace(); } }原文：http://www.cnblogs.com/minghualiyan/p/5206821.html