some useful function process date:
CALL FUNCTION 'DATE_GET_MONTH_LASTDAY'? "獲取本月最后一天
? EXPORTING
??? i_date = l_tempdata_s
? IMPORTING
??? e_date = l_tempdata_e.
?
CALL FUNCTION 'BKK_GET_MONTH_LASTDAY'?? "獲取本月最后一天
??EXPORTING
????i_date = riqi1
??IMPORTING
????e_date = riqi2.
?
CALL FUNCTION 'MONTH_PLUS_DETERMINE'? "獲取N月前的日期
? EXPORTING
??? months??????? = -N
??? olddate?????? = sy-datum
?IMPORTING
?? NEWDATE?????? = newdate.
?
CALL FUNCTION 'MONTHS_BETWEEN_TWO_DATES'????????? "計算兩個日期間的月份差
? EXPORTING
??? i_datum_bis???????? = p_l_startday
??? i_datum_von???????? = P_l_endday
*?? I_KZ_INCL_BIS?????? = ' '
?IMPORTING
?? E_MONATE??????????? = p_l_months
????????? .