Optimisation de l’utilisation de la mémoire lors du traitement de gros fichiers avec de grands ensembles de données en C++

#include <iostream>
#include "Aspose.Cells.h"
using namespace Aspose::Cells;

int main()
{
    Aspose::Cells::Startup();

    // Source directory path
    U16String srcDir(u"..\\Data\\01_SourceDirectory\\");

    // Specify the LoadOptions
    LoadOptions opt;

    // Set the memory preferences
    opt.SetMemorySetting(MemorySetting::MemoryPreference);

    // Instantiate the Workbook
    // Load the Big Excel file having large Data set in it
    Workbook wb(srcDir + u"Book1.xlsx", opt);

    std::cout << "Workbook loaded successfully with memory preference setting!" << std::endl;

    Aspose::Cells::Cleanup();
}

#include <iostream>
#include "Aspose.Cells.h"

using namespace Aspose::Cells;

int main()
{
    Aspose::Cells::Startup();

    // Instantiate a new Workbook
    Workbook wb;

    // Set the memory preferences
    // Note: This setting cannot take effect for the existing worksheets that are created before using the below line of code
    wb.GetSettings().SetMemorySetting(MemorySetting::MemoryPreference);

    // Note: The memory settings also would not work for the default sheet i.e., "Sheet1" etc. automatically created by the Workbook

    // To change the memory setting of existing sheets, please change memory setting for them manually:
    Cells cells = wb.GetWorksheets().Get(0).GetCells();
    cells.SetMemorySetting(MemorySetting::MemoryPreference);

    // Input large dataset into the cells of the worksheet.
    // Your code goes here.
    // .........

    // Get cells of the newly created Worksheet "Sheet2" whose memory setting is same with the one defined in WorkbookSettings:
    cells = wb.GetWorksheets().Add(u"Sheet2").GetCells();

    // Input large dataset into the cells of the worksheet.
    // Your code goes here.
    // .........

    Aspose::Cells::Cleanup();
    return 0;
}