ABAP获取某月最后一天

  form BUILDTIMESPAN  using    p_i_month
      p_sy_index
changing p_i_day_start
  p_i_day_end.
data: newdate type D,
      olddate type D,
      addmonth type I.
concatenate p_i_month '01' into olddate.
addmonth = p_sy_index - 1.
CALL FUNCTION 'MONTH_PLUS_DETERMINE'
EXPORTING
  months        = addmonth
  olddate       = olddate
IMPORTING
  NEWDATE       = newdate.

p_i_day_start = newdate.
CALL FUNCTION 'RP_LAST_DAY_OF_MONTHS'
EXPORTING
  day_in                  = p_i_day_start
IMPORTING
  LAST_DAY_OF_MONTH       = p_i_day_end.
endform.

转载于:https://www.cnblogs.com/yanluckly/archive/2010/07/09/1774223.html