SAP如何将SMW0上的EXCEL模板下载到本地

前面有说过如何如何将EXCEL 模板上传到SAP里，

那么使用代码的话如何实现下载EXCEL模板

*&---------------------------------------------------------------------*
*& Report  ZTEST09
*&  by cmh
*&---------------------------------------------------------------------*
*&
*& 下载 EXCEL 模板
*&---------------------------------------------------------------------*

REPORT  ZTEST09.

TABLES:sscrfields.

*定义OLE变量
DATA:g_excel TYPE ole2_object,
     g_applica TYPE ole2_object,
     g_sheet TYPE ole2_object,
     g_cell TYPE ole2_object,
     g_workbook TYPE ole2_object.

DATA:p_filepath TYPE string.

CONSTANTS:c_yes TYPE c VALUE 'X',
          c_path TYPE char128 VALUE 'C:\TEMP\资产负债表.xls'.            " 下载后存放路径

*模版下载按钮
SELECTION-SCREEN BEGIN OF block block1 with frame title text-000.

  parameters : g_filen like wwwdatatab-objid default 'ZFI045_1000'.      " 要下载的模板名称 

  SELECTION-SCREEN PUSHBUTTON /1(10) text-002
                                  USER-COMMAND attch.

  SELECTION-SCREEN end of block block1.



AT SELECTION-SCREEN.
  PERFORM frm_check_input.



*&---------------------------------------------------------------------*
*&      Form  frm_check_input
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
FORM frm_check_input .

  DATA l_ret TYPE abap_bool.

  IF sscrfields-ucomm = 'ATTCH'.

* 下载模版

    PERFORM frm_download_template.

  ELSE.

  ENDIF.

ENDFORM.                    "frm_check_input

*&---------------------------------------------------------------------*
*&      Form  frm_download_template
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
FORM frm_download_template .

  DATA: lv_objdata LIKE wwwdatatab,
        lv_obj_name LIKE wwwdatatab-objid,
        lv_destination LIKE rlgrap-filename,
        lv_objid LIKE sy-repid,
        lv_subrc LIKE sy-subrc.
  DATA:l_ret TYPE abap_bool,
       lv_answer.
  DATA:lv_file TYPE string.

  MOVE c_path TO lv_file.
  CALL METHOD cl_gui_frontend_services=>file_exist
    EXPORTING
      file                 = lv_file
    RECEIVING
      result               = l_ret
    EXCEPTIONS
      cntl_error           = 1
      error_no_gui         = 2
      wrong_parameter      = 3
      not_supported_by_gui = 4
      OTHERS               = 5.

  IF sy-subrc <> 0.
    MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
               WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
    EXIT.
  ENDIF.

  IF l_ret EQ c_yes.

* 模版已存在，是否覆盖

    CALL FUNCTION 'POPUP_TO_CONFIRM'
      EXPORTING
        text_question  = '模版已存在，是否覆盖？'
        text_button_1  = '是'(001)
        text_button_2  = '否'(002)
      IMPORTING
        answer         = lv_answer
      EXCEPTIONS
        text_not_found = 1
        OTHERS         = 2.
    IF sy-subrc <> 0.

    ENDIF.

    IF lv_answer EQ 'A'. "取消
      EXIT.
    ELSEIF lv_answer NE '1'. "否
      p_filepath = c_path.
    ENDIF.
  ELSE.
    lv_answer = '1'.
  ENDIF.


  CREATE OBJECT g_excel 'EXCEL.APPLICATION'.
  GET PROPERTY OF g_excel 'Workbooks' = g_workbook .
  CALL METHOD OF
      g_workbook
      'Close'.

  IF lv_answer EQ '1'.

    MOVE g_filen TO lv_obj_name.

    SELECT relid objid
      FROM wwwdata
      INTO  CORRESPONDING FIELDS OF lv_objdata
      UP TO 1 ROWS
      WHERE srtf2 = 0 AND relid = 'MI'
        AND objid = lv_obj_name.
    ENDSELECT.

    CALL FUNCTION 'DOWNLOAD_WEB_OBJECT'
      EXPORTING
        key         = lv_objdata
        destination = c_path
      IMPORTING
        rc          = lv_subrc.
    IF lv_subrc = 0.
      p_filepath = c_path.
    ENDIF.
  ENDIF.

  CALL METHOD OF
      g_workbook
      'open'

    EXPORTING
      #1         = c_path.

  CALL METHOD OF
      g_excel
      'worksheets' = g_sheet
    EXPORTING
      #1           = 1.
  CALL METHOD OF
      g_sheet
      'activate'.

  SET PROPERTY OF g_excel 'visible' = 1.

  FREE OBJECT g_sheet.
  FREE OBJECT g_applica.
  FREE OBJECT g_workbook.
  FREE OBJECT g_excel.

ENDFORM.                    "frm_download_template