getBeforeDateTime static method

DateTime getBeforeDateTime(
  1. DateTime dateTime,
  2. int beforeDay
)

获取距离给予时间前多少天的DateTime

Implementation

static DateTime getBeforeDateTime(DateTime dateTime, int beforeDay) {
  return DateTime(
      dateTime.year,
      dateTime.month,
      dateTime.day - beforeDay,
      dateTime.hour,
      dateTime.minute,
      dateTime.second,
      dateTime.millisecond,
      dateTime.microsecond
  );
}