将TXT文件值导入内表

  CALL FUNCTION 'WS_UPLOAD'
    EXPORTING
      FILENAME                = MATERIAL
      FILETYPE                = 'DAT'
    TABLES
      DATA_TAB                = I_DATA
    EXCEPTIONS
      CONVERSION_ERROR        = 1
      INVALID_TABLE_WIDTH     = 2
      INVALID_TYPE            = 3
      NO_BATCH                = 4
      UNKNOWN_ERROR           = 5
      GUI_REFUSE_FILETRANSFER = 6
      OTHERS                  = 7.
  IF SY-SUBRC <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.