public static String getDate(String time){
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Calendar calendar = Calendar.getInstance();
Date date=null;
try {
date = sdf.parse(time);
} catch (ParseException e) {
e.printStackTrace();
}
calendar.setTime(date);
int day=calendar.get(Calendar.DATE);
// 后一天为 +1 前一天 为-1
calendar.set(Calendar.DATE,day-1);
String lastDay = sdf.format(calendar.getTime());
return lastDay;
}
如:输入 :2019-06-30 获取后一天 为2019-07-01
如:输入 :2019-12-31 获取后一天 为2020-01-01