Method nextMonth

src/main/java/com/nlf/calendar/Solar.java:753–769

月推移 @param months 月数 @return 阳历

(int months)

   * @return 阳历
   */
  public Solar nextMonth(int months) {
    SolarMonth month = SolarMonth.fromYm(year, this.month).next(months);
    int y = month.getYear();
    int m = month.getMonth();
    int d = day;
    if (1582 == y && 10 == m) {
      if (d > 4 && d < 15) {
        d += 10;
      }
    } else {
      int maxDay = SolarUtil.getDaysOfMonth(y, m);
      if (d > maxDay) {
        d = maxDay;
      }
    }
    return fromYmdHms(y, m, d, hour, minute, second);
  }

  /**
   * 获取往后推几天的阳历日期，如果要往前推，则天数用负数