用C++进行数据透视表的自定义排序

数据透视表中的自定义排序

通过使用Aspose.Cells API，你可以按照字段值对数据透视表进行排序。以下代码片段加载示例Excel文件，并添加三个数据透视表。第一个没有自定义排序，第二个按照“海鲜”行字段值排序，第三个按照“28/07/2000”列字段值排序。

可从此处下载示例源文件和输出文件以测试示例代码：

源Excel文件

输出Excel文件

输出PDF文件

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

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

    // Source directory
    U16String srcDir(u"..\\Data\\01_SourceDirectory\\");
    U16String outDir(u"..\\Data\\02_OutputDirectory\\");

    // Load the workbook
    Workbook wb(srcDir + u"SamplePivotSort.xlsx");

    // Get the first worksheet
    Worksheet sheet = wb.GetWorksheets().Get(0);

    // Get the pivot tables collection
    PivotTableCollection pivotTables = sheet.GetPivotTables();

    // Source PivotTable
    // Add a PivotTable to the worksheet
    int index = pivotTables.Add(u"=Sheet1!A1:C10", u"E3", u"PivotTable2");

    // Access the instance of the newly added PivotTable
    PivotTable pivotTable = pivotTables.Get(index);

    // Unshow grand totals for rows and columns
    pivotTable.SetShowRowGrandTotals(false);
    pivotTable.SetShowColumnGrandTotals(false);

    // Drag the first field to the row area
    pivotTable.AddFieldToArea(PivotFieldType::Row, 1);
    PivotField rowField = pivotTable.GetRowFields().Get(0);
    rowField.SetIsAutoSort(true);
    rowField.SetIsAscendSort(true);

    // Drag the second field to the column area
    pivotTable.AddFieldToArea(PivotFieldType::Column, 0);
    PivotField colField = pivotTable.GetColumnFields().Get(0);
    colField.SetNumberFormat(u"dd/mm/yyyy");
    colField.SetIsAutoSort(true);
    colField.SetIsAscendSort(true);

    // Drag the third field to the data area
    pivotTable.AddFieldToArea(PivotFieldType::Data, 2);

    pivotTable.RefreshData();
    pivotTable.CalculateData();
    // End of source PivotTable

    // Sort the PivotTable on "SeaFood" row field values
    // Add a PivotTable to the worksheet
    index = pivotTables.Add(u"=Sheet1!A1:C10", u"E10", u"PivotTable2");

    // Access the instance of the newly added PivotTable
    pivotTable = pivotTables.Get(index);

    // Unshow grand totals for rows and columns
    pivotTable.SetShowRowGrandTotals(false);
    pivotTable.SetShowColumnGrandTotals(false);

    // Drag the first field to the row area
    pivotTable.AddFieldToArea(PivotFieldType::Row, 1);
    rowField = pivotTable.GetRowFields().Get(0);
    rowField.SetIsAutoSort(true);
    rowField.SetIsAscendSort(true);

    // Drag the second field to the column area
    pivotTable.AddFieldToArea(PivotFieldType::Column, 0);
    colField = pivotTable.GetColumnFields().Get(0);
    colField.SetNumberFormat(u"dd/mm/yyyy");
    colField.SetIsAutoSort(true);
    colField.SetIsAscendSort(true);
    colField.SetAutoSortField(0);

    // Drag the third field to the data area
    pivotTable.AddFieldToArea(PivotFieldType::Data, 2);

    pivotTable.RefreshData();
    pivotTable.CalculateData();
    // End of sort the PivotTable on "SeaFood" row field values

    // Sort the PivotTable on "28/07/2000" column field values
    // Add a PivotTable to the worksheet
    index = pivotTables.Add(u"=Sheet1!A1:C10", u"E18", u"PivotTable2");

    // Access the instance of the newly added PivotTable
    pivotTable = pivotTables.Get(index);

    // Unshow grand totals for rows and columns
    pivotTable.SetShowRowGrandTotals(false);
    pivotTable.SetShowColumnGrandTotals(false);

    // Drag the first field to the row area
    pivotTable.AddFieldToArea(PivotFieldType::Row, 1);
    rowField = pivotTable.GetRowFields().Get(0);
    rowField.SetIsAutoSort(true);
    rowField.SetIsAscendSort(true);
    rowField.SetAutoSortField(0);

    // Drag the second field to the column area
    pivotTable.AddFieldToArea(PivotFieldType::Column, 0);
    colField = pivotTable.GetColumnFields().Get(0);
    colField.SetNumberFormat(u"dd/mm/yyyy");
    colField.SetIsAutoSort(true);
    colField.SetIsAscendSort(true);

    // Drag the third field to the data area
    pivotTable.AddFieldToArea(PivotFieldType::Data, 2);

    pivotTable.RefreshData();
    pivotTable.CalculateData();
    // End of sort the PivotTable on "28/07/2000" column field values

    // Save the Excel file
    wb.Save(outDir + u"out_java.xlsx");

    // Save as PDF
    PdfSaveOptions options;
    options.SetOnePagePerSheet(true);
    wb.Save(outDir + u"out_java.pdf", options);

    Aspose::Cells::Cleanup();
}