建立上傳路徑

在選擇畫面要作出下拉式選單來選擇本端PC的檔案
利用以下的Function可達到其目的

CALL FUNCTION 'WS_FILENAME_GET'
   EXPORTING
    DEF_FILENAME = P_FILE "RLGRAP-FILENAME
    DEF_PATH = ''  "DEF_PATH
*    MASK = ',*.*,*.*.'
    MASK = TMP_MASK
    MODE = 'O'
*    TITLE     = ' '
   IMPORTING
    FILENAME = TMP_FILENAME
* RC    =
   EXCEPTIONS
    INV_WINSYS    = 01
    NO_BATCH = 02
    SELECTION_CANCEL = 03
    SELECTION_ERROR  = 04.
  IF SY-SUBRC = 0.
    P_FILE = TMP_FILENAME.
  ENDIF.