函数RE_ADD_MONTH_TO_DATE
CALL FUNCTION 'RE_ADD_MONTH_TO_DATE'
EXPORTING
OLDDATE = SY-DATUM
MONTHS = -1
IMPORTING
NEWDATE = S_SHDAT-LOW.
CALL FUNCTION 'RE_ADD_MONTH_TO_DATE'
EXPORTING
OLDDATE = SY-DATUM
MONTHS = -1
IMPORTING
NEWDATE = S_SHDAT-LOW.