엑셀파일을 불러와서 엑셀에 있는 데이터 값과 sap에서 만든 테이블과의 데이터를

비교해서 없는 값만 올리려고 해요

제가 코딩한건 일단 엑셀파일을 불러와서 테이블(임의생성한)에 올려주는 로직까진 했구요

근데 이걸 비교해서 없는것만 올리는 구문은 어떻해 어느 부분에 넣어야 될까요?

*====================================*

*&---------------------------------------------------------------------*
*& Report  ZAB07B02
*&
*&---------------------------------------------------------------------*
*&
*&
*&---------------------------------------------------------------------*

REPORT  ZAB07B02  MESSAGE-ID ZAB07M.

*----------------------------------------------------------------------*
* TABLES DEFINE
*----------------------------------------------------------------------*

TABLES ZAB02T02.

*----------------------------------------------------------------------*
* DATA DEFINE
*----------------------------------------------------------------------*
DATA: V_FIELD0(4) TYPE C,
      GV_INDEX TYPE I,
      GV_ROW TYPE N,
      GV_TAB TYPE FILETABLE,
      GV_FILE LIKE RLGRAP-FILENAME, "경로저장변수
      GV_SUBRC TYPE I,
      GV_TMP TYPE I.

FIELD-SYMBOLS <FS> TYPE ANY.

* 엑셀 업로드 데이터 선언
DATA : GT_XLS TYPE  KCDE_CELLS OCCURS 0 WITH HEADER LINE.

*----------------------------------------------------------------------*
* INTERNAL TABLE DEFINE
*----------------------------------------------------------------------*
DATA : BEGIN OF ITAB_RST OCCURS 0,
*        FIELD0(1),             "체크박스의 공간을 위한 변수선언
         TITLE(10),
         A(10),
         B(10),
         C(10),
         D(10),
         E(10),
         F(10),
         G(10),
         H(10),
         I(10),
         J(10),
         K(10).
DATA: END OF ITAB_RST.

DATA : BEGIN OF ITAB_IN OCCURS 0.
        INCLUDE STRUCTURE ZAB02T02.
DATA:  END OF ITAB_IN.

*기본 화면
*----------------------------------------------------------------------*
* SELECTION-SCREEN
*----------------------------------------------------------------------*

SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
PARAMETERS : P_FNAME LIKE RLGRAP-FILENAME MODIF ID 01,     "파일명
             P_ENDCOL TYPE I MODIF ID 01,
             P_ENDROW TYPE I MODIF ID 01.
SELECTION-SCREEN END OF BLOCK B1.

*------------------------------------------------------
*AT SELECTION-SCREEN
*-------------------------------------------------------
AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_FNAME.
  PERFORM F4_FILENAME USING P_FNAME.

*------------------------------------------------------------
*INITIALZATION
*------------------------------------------------------------

INITIALIZATION.
  PERFORM INITIALIZATION.

*------------------------------------------------------------
*START-OF-SELECTION
*------------------------------------------------------------

START-OF-SELECTION.

  SET PF-STATUS 'STAT0100'.     "실행시 툴바밑에 버튼지정

  CALL FUNCTION 'KCD_EXCEL_OLE_TO_INT_CONVERT'
    EXPORTING
      FILENAME                = P_FNAME  "경로 지정
      I_BEGIN_COL             = '1'      "시작칼럼
      I_BEGIN_ROW             = '1'      "시작열
      I_END_COL               = P_ENDCOL   "끝라인
      I_END_ROW               = P_ENDROW   "끝열
    TABLES
      INTERN                  = GT_XLS
    EXCEPTIONS
      INCONSISTENT_PARAMETERS = 1
      UPLOAD_OLE              = 2
      OTHERS                  = 3.
  .
  IF SY-SUBRC <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.

  LOOP AT GT_XLS.

    GV_INDEX = ( GT_XLS-COL ).
    ASSIGN COMPONENT GV_INDEX OF STRUCTURE ITAB_RST TO <FS>.
    MOVE GT_XLS-VALUE TO <FS>.
    AT END OF ROW.
      APPEND ITAB_RST.
      CLEAR ITAB_RST.
    ENDAT.
  ENDLOOP.

  LOOP AT ITAB_RST.
    WRITE :/ ITAB_RST.

  ENDLOOP.

*LOOP AT GT_XLS.
*  WRITE : /  GT_XLS-ROW ,  GT_XLS-COL ,  GT_XLS-VALUE.
*ENDLOOP.

  INCLUDE ZAB07B01_F4_FILENAMEF01.
*&---------------------------------------------------------------------*
*&      Form  F4_FILENAME
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->P_P_FNAME  text
*----------------------------------------------------------------------*
FORM F4_FILENAME  USING    GV_FILE.

  CLEAR : GV_TAB. REFRESH GV_TAB.
*업로드할 파일의 PATH 지정하기.
  CALL METHOD CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG
    EXPORTING
      WINDOW_TITLE     = '업로드할 파일을 선택하세요'
      DEFAULT_FILENAME = '*.XLS'
      MULTISELECTION   = ' '
    CHANGING
      FILE_TABLE       = GV_TAB
      RC               = GV_SUBRC.
  IF SY-SUBRC = 0.
    LOOP AT GV_TAB INTO GV_FILE.
    ENDLOOP.
  ENDIF.
ENDFORM.                    " F4_FILENAME.

*&---------------------------------------------------------------------*
*&      Form  INITIALIZATION
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM INITIALIZATION .

  P_FNAME = 'C:'.

ENDFORM.                    " INITIALIZATION

*----------------------------------------------------------------------*
* AT USER-COMMAND //펑션키 설정
*----------------------------------------------------------------------*

AT USER-COMMAND.
  SY-LSIND = 1.
  CASE SY-UCOMM.
    WHEN 'SS'.
      PERFORM SELECT_ALL.
    WHEN 'DEL'.
      PERFORM DELETE_ALL .
    WHEN 'EXIT'.
      LEAVE TO SCREEN 0.
  ENDCASE.
  SY-UCOMM = ' '.

*&---------------------------------------------------------------------*
*&      Form  SELECT_ALL
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
FORM SELECT_ALL.

  LOOP AT ITAB_RST.
    MOVE-CORRESPONDING ITAB_RST TO ITAB_IN.
    CLEAR ZAB02T02.

    ZAB02T02-MANDT = SY-MANDT.
    ZAB02T02-TITLE = ITAB_IN-TITLE.
    ZAB02T02-A = ITAB_IN-A.
    ZAB02T02-B = ITAB_IN-B.
    ZAB02T02-C = ITAB_IN-C.
    ZAB02T02-D = ITAB_IN-D.
    ZAB02T02-E = ITAB_IN-E.
    ZAB02T02-F = ITAB_IN-F.

    MODIFY ZAB02T02 FROM ITAB_IN.
    MESSAGE s007.
  ENDLOOP.
ENDFORM.                    "SELECT_ALL

*&---------------------------------------------------------------------*
*&      Form  DELETE_ALL
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM DELETE_ALL .
  loop at ITAB_RST.
    DELETE FROM ZAB02T02.

    MESSAGE s006.
  endloop.

ENDFORM.                    " DELETE_ALL