DATA: lv_date_b LIKE sy-datum.
DATA: gv_date_ruzi LIKE sy-datum.
CALL FUNCTION ‘RP_CALC_DATE_IN_INTERVAL’
EXPORTING
date = gv_date_ruzi
days = 0 "天數加N或者減N 不加也不減 寫0
months = 0 "月份加N或者減N 不加也不減 寫0
signum = ‘+’ "可以是+或者-
years = 1 "年份加N或者減N 不加也不減 寫0
IMPORTING
calc_date = lv_date_b. "得到加減之後的日期