void ole_close_excel(const std::wstring &xlsx, CApplication &excel_application, CWorkbooks &books, CWorkbook &book, CWorksheets &sheets)
{
COleVariant covTrue((short)TRUE), covFalse((short)FALSE);
COleVariant covOptional((long)DISP_E_PARAMNOTFOUND, VT_ERROR);
book.Close(COleVariant(short(FALSE)),COleVariant(xlsx.c_str()), covOptional);
books.Close();
// 释放资源
sheets.ReleaseDispatch();
book.ReleaseDispatch();
books.ReleaseDispatch();
excel_application.Quit();
excel_application.ReleaseDispatch();
}
