源代码：

CLASS zcl_excel_tool DEFINITION
  PUBLIC
  FINAL
  CREATE PUBLIC .

PUBLIC SECTION.
*"* public components of class ZCL_EXCEL_TOOL
*"* do not include other source files here!!!
  TYPE-POOLS ole2 .
  TYPE-POOLS soi .

  TYPES:
    BEGIN OF ty_excel,
      row TYPE c LENGTH 4096,
    END OF ty_excel .

  DATA rc TYPE soi_ret_string .
  DATA doi_control TYPE REF TO i_oi_container_control .
  DATA doi_container TYPE REF TO cl_gui_custom_container .
  DATA doi_document TYPE REF TO i_oi_document_proxy .
  DATA doi_spreadsheet TYPE REF TO i_oi_spreadsheet .
  DATA doi_error TYPE REF TO i_oi_error .
  DATA filename TYPE char1024 .
  DATA ole_excel TYPE ole2_object .
  DATA ole_books TYPE ole2_object .
  DATA ole_book TYPE ole2_object .
  DATA ole_sheet TYPE ole2_object .
  CLASS-DATA c_para_id TYPE memoryid READ-ONLY VALUE 'ZEXCEL' ##NO_TEXT.
  CLAS