1 //获取时间加一年或加一月或加一天
 2 Date date = new Date();
 3 Calendar cal = Calendar.getInstance();
 4 cal.setTime(date);//设置起时间
 5 //System.out.println("111111111::::"+cal.getTime());
 6 //cal.add(Calendar.YEAR, 1);//增加一年
 7 //cal.add(Calendar.DATE, 1);//增加一天  
 8 //cal.add(Calendar.DATE, -10);//减10天  
 9 //cal.add(Calendar.MONTH, 1);//增加一个月   
10 SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
11 System.out.println("当前时间：" + sdf.format(cal.getTime()));
12 //System.out.println("输出::"+cal.getTime());