FORM frm_uplod_name CHANGING p_fname TYPE rlgrap-filename.
CALL FUNCTION ‘F4_FILENAME‘
EXPORTING
program_name = syst-cprog
dynpro_number = syst-dynnr
field_name = ‘ ‘
IMPORTING
file_name = p_fname.
ENDFORM. " FRM_UPLOD_NAME
原文:http://www.cnblogs.com/zxiu/p/7596955.html