在 C++ 中建立或更新 PowerPoint 簡報圖表

概述

本文提供了使用 Aspose.Slides 建立與自訂圖表的完整指南。您將學習如何以程式方式將圖表加入投影片、填入資料，並套用各種格式設定以符合特定設計需求。全篇皆以詳細程式碼範例說明每個步驟，從初始化簡報與圖表物件到設定系列、座標軸與圖例。遵循本指南，您即可深入了解如何在應用程式中整合動態圖表產生，簡化製作資料驅動簡報的流程。

建立圖表

圖表可協助人們快速視覺化資料並獲得洞察，這些資訊往往在表格或試算表中不易立即看見。

為何建立圖表？

使用圖表，您可以

• 在單一投影片上彙總、濃縮或摘要大量資料
• 顯示資料中的模式與趨勢
• 推斷資料隨時間或特定量測單位的方向與動能
• 察覺異常值、偏差、錯誤或不合理的資料
• 傳達或呈現複雜的資料

在 PowerPoint 中，您可以透過「插入」功能建立圖表，該功能提供多種圖表模板。使用 Aspose.Slides，您可以建立一般圖表（基於常見圖表類型）以及自訂圖表。

為了讓您能建立圖表，Aspose.Slides 在 Aspose::Slides::Charts 命名空間下提供了 ChartType 列舉類別。此列舉類別的值對應不同的圖表類型。

建立一般圖表

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表並指定資料與您偏好的圖表類型。
4. 為圖表新增標題。
5. 取得圖表資料工作表。
6. 清除所有預設的系列與類別。
7. 新增系列與類別。
8. 為圖表系列新增資料。
9. 為圖表系列設定填色。
10. 為圖表系列新增標籤。
11. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立一般圖表：

// 文件目錄的路徑。
	const String outPath = u"../out/NormalCharts_out.pptx";

	// 實例化代表 PPTX 檔案的 Presentation 類別
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	// 存取第一張投影片
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	// 新增具有預設資料的圖表
	SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::ClusteredColumn, 0, 0, 500, 500);


	// 設定圖表資料工作表的索引
	int defaultWorksheetIndex = 0;

	// 取得圖表資料工作表
	SharedPtr<IChartDataWorkbook> fact = chart->get_ChartData()->get_ChartDataWorkbook();

	// 設定圖表標題
	chart->get_ChartTitle()->AddTextFrameForOverriding(u"Sample Title");
	chart->get_ChartTitle()->get_TextFrameForOverriding()->get_TextFrameFormat()->set_CenterText ( NullableBool::True);
	chart->get_ChartTitle()->set_Height(20);
	chart->set_HasTitle( true);

	// 刪除預設產生的系列與類別
	chart->get_ChartData()->get_Series()->Clear();
	chart->get_ChartData()->get_Categories()->Clear();
	int s = chart->get_ChartData()->get_Series()->get_Count();
	s = chart->get_ChartData()->get_Categories()->get_Count();


	// 新增一個系列
	chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 0, 1, ObjectExt::Box<System::String>(u"Series 1")), chart->get_Type());
	chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 0, 2, ObjectExt::Box<System::String>(u"Series 2")), chart->get_Type());

	// 新增類別
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, 1, 0, ObjectExt::Box<System::String>(u"Caetegoty 1")));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, 2, 0, ObjectExt::Box<System::String>(u"Caetegoty 2")));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, 3, 0, ObjectExt::Box<System::String>(u"Caetegoty 3")));

	
	// 取得第一個圖表系列
	SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->idx_get(0);

	// 填充系列資料
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, 1, 1, ObjectExt::Box<double>(20)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, 2, 1, ObjectExt::Box<double>(50)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, 3, 1, ObjectExt::Box<double>(30)));

	// 設定系列的填充顏色
	series->get_Format()->get_Fill()->set_FillType(FillType::Solid);
	series->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Red());


	// 取得第二個圖表系列
	 series = chart->get_ChartData()->get_Series()->idx_get(1);

	// 填充系列資料
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, 1, 2, ObjectExt::Box<double>(30)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, 2, 2, ObjectExt::Box<double>(10)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, 3, 2, ObjectExt::Box<double>(60)));

	// 設定系列的填充顏色
	series->get_Format()->get_Fill()->set_FillType(FillType::Solid);
	series->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Green());


	// 第一個標籤設定為顯示類別名稱
	SharedPtr<IDataLabel> lbl = series->get_DataPoints()->idx_get(0)->get_Label();
	lbl->get_DataLabelFormat()->set_ShowCategoryName(true);

	lbl = series->get_DataPoints()->idx_get(1)->get_Label();
	lbl->get_DataLabelFormat()->set_ShowSeriesName (true);

	// 顯示第三個標籤的值
	lbl = series->get_DataPoints()->idx_get(2)->get_Label();
	lbl->get_DataLabelFormat()->set_ShowValue (true);
	lbl->get_DataLabelFormat()->set_ShowSeriesName(true);
	lbl->get_DataLabelFormat()->set_Separator (u"/");

	// 儲存簡報
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立散佈圖表

散佈圖表（亦稱散點圖或 X‑Y 圖）常用於檢查模式或顯示兩個變數之間的相關性。

當您符合下列條件時，可考慮使用散佈圖表

• 具備成對的數值資料
• 兩個變數彼此匹配良好
• 想判斷兩個變數是否相關
• 有一個自變數對應多個因變數的值

以下 C++ 程式碼示範如何建立具不同標記系列的散佈圖表：

// 文件目錄的路徑。
	const String outPath = u"../out/ScatteredChart_out.pptx";

	// 實例化代表 PPTX 檔案的 Presentation 類別
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	// 取得第一張投影片
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	// 新增具有預設資料的圖表
	SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::ScatterWithSmoothLines, 0, 0, 500, 500);

	// 設定圖表標題
	chart->get_ChartTitle()->AddTextFrameForOverriding(u"Sample Title");
	chart->get_ChartTitle()->get_TextFrameForOverriding()->get_TextFrameFormat()->set_CenterText(NullableBool::True);
	chart->get_ChartTitle()->set_Height(20);
	chart->set_HasTitle(true);

	// 刪除預設產生的系列 
	chart->get_ChartData()->get_Series()->Clear();
	
	// 設定圖表資料工作表的索引
	int defaultWorksheetIndex = 0;

	// 取得圖表資料工作表
	SharedPtr<IChartDataWorkbook> fact = chart->get_ChartData()->get_ChartDataWorkbook();


	// 新增一個系列
	chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 1, 1, ObjectExt::Box<System::String>(u"Series 1")), chart->get_Type());
	chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 1, 3, ObjectExt::Box<System::String>(u"Series 2")), chart->get_Type());

	// 取得第一個圖表系列
	SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->idx_get(0);

	// 新增一個資料點 (1:3)
	series->get_DataPoints()->AddDataPointForScatterSeries(fact->GetCell(defaultWorksheetIndex, 2, 1, ObjectExt::Box<double>(1)), fact->GetCell(defaultWorksheetIndex, 2, 2, ObjectExt::Box<double>(3)));

	// 新增一個資料點 (2:10)
	series->get_DataPoints()->AddDataPointForScatterSeries(fact->GetCell(defaultWorksheetIndex, 3, 1, ObjectExt::Box<double>(2)), fact->GetCell(defaultWorksheetIndex, 3, 2, ObjectExt::Box<double>(10)));

	// 編輯系列類型
	series->set_Type (ChartType::ScatterWithStraightLinesAndMarkers);

	// 變更圖表系列的標記
	series->get_Marker()->set_Size  (10);
	series->get_Marker()->set_Symbol(MarkerStyleType::Star);



	// 取得第二個圖表系列
	series  = chart->get_ChartData()->get_Series()->idx_get(1);

	// 新增資料點 (5:2)
	series->get_DataPoints()->AddDataPointForScatterSeries(fact->GetCell(defaultWorksheetIndex, 2, 3, ObjectExt::Box<double>(5)), fact->GetCell(defaultWorksheetIndex, 2, 4, ObjectExt::Box<double>(2)));

	// 新增資料點 (3:1)
	series->get_DataPoints()->AddDataPointForScatterSeries(fact->GetCell(defaultWorksheetIndex, 3, 3, ObjectExt::Box<double>(3)), fact->GetCell(defaultWorksheetIndex, 3, 4, ObjectExt::Box<double>(1)));

	// 新增資料點 (2:2)
	series->get_DataPoints()->AddDataPointForScatterSeries(fact->GetCell(defaultWorksheetIndex, 4, 3, ObjectExt::Box<double>(2)), fact->GetCell(defaultWorksheetIndex, 4, 4, ObjectExt::Box<double>(2)));

	// 新增資料點 (5:1)
	series->get_DataPoints()->AddDataPointForScatterSeries(fact->GetCell(defaultWorksheetIndex, 5, 3, ObjectExt::Box<double>(5)), fact->GetCell(defaultWorksheetIndex, 5, 4, ObjectExt::Box<double>(1)));

	// 變更圖表系列的標記
	series->get_Marker()->set_Size ( 10);
	series->get_Marker()->set_Symbol(MarkerStyleType::Circle);



	chart->get_ChartData()->get_SeriesGroups()->idx_get(0)->set_IsColorVaried(true);

	SharedPtr<IChartDataPoint> point = series->get_DataPoints()->idx_get(0);
	point->get_Format()->get_Fill()->set_FillType(FillType::Solid);
	point->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Cyan());
	// 設定扇區邊框
	point->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
	point->get_Format()->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Gray());
	point->get_Format()->get_Line()->set_Width ( 3.0);
	point->get_Format()->get_Line()->set_Style(LineStyle::ThinThick);
	point->get_Format()->get_Line()->set_DashStyle(LineDashStyle::DashDot);

	SharedPtr<IChartDataPoint> point1 = series->get_DataPoints()->idx_get(1);
	point1->get_Format()->get_Fill()->set_FillType(FillType::Solid);
	point1->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Brown());

	// 設定扇區邊框
	point1->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
	point1->get_Format()->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Blue());
	point1->get_Format()->get_Line()->set_Width (3.0);
	point1->get_Format()->get_Line()->set_Style(LineStyle::Single);
	point1->get_Format()->get_Line()->set_DashStyle(LineDashStyle::LargeDashDot);


	SharedPtr<IChartDataPoint> point2 = series->get_DataPoints()->idx_get(2);
	point2->get_Format()->get_Fill()->set_FillType(FillType::Solid);
	point2->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Coral());

	// 設定扇區邊框
	point2->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
	point2->get_Format()->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Red());
	point2->get_Format()->get_Line()->set_Width ( 2.0);
	point2->get_Format()->get_Line()->set_Style(LineStyle::ThickThin);
	point2->get_Format()->get_Line()->set_DashStyle(LineDashStyle::LargeDashDotDot);


	// 為新系列的每個類別建立自訂標籤
	SharedPtr<IDataLabel> lbl1 = series->get_DataPoints()->idx_get(0)->get_Label();

	// lbl.ShowCategoryName = true;
	lbl1->get_DataLabelFormat()->set_ShowValue(true);


	SharedPtr<IDataLabel> lbl2 = series->get_DataPoints()->idx_get(1)->get_Label();
	lbl2->get_DataLabelFormat()->set_ShowValue(true);
	lbl2->get_DataLabelFormat()->set_ShowLegendKey(true);
	lbl2->get_DataLabelFormat()->set_ShowPercentage(true);

	SharedPtr<IDataLabel> lbl3 = series->get_DataPoints()->idx_get(2)->get_Label();

	lbl3->get_DataLabelFormat()->set_ShowSeriesName(true);
	lbl3->get_DataLabelFormat()->set_ShowPercentage(true);

	// 顯示圖表的引線
	series->get_Labels()->get_DefaultDataLabelFormat()->set_ShowLeaderLines(true);

	// 設定圓形圖扇區的旋轉角度
	chart->get_ChartData()->get_SeriesGroups()->idx_get(0)->set_FirstSliceAngle(180);


	// 儲存簡報
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立圓形圖表

圓形圖表最適合用來顯示資料的部分與整體關係，特別是當資料包含類別標籤與數值時。但若資料包含過多部份或標籤，建議改用長條圖。

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表，使用預設資料並指定類型（此例為 ChartType.Pie）。
4. 取得圖表資料 IChartDataWorkbook。
5. 清除預設的系列與類別。
6. 新增系列與類別。
7. 為圖表系列新增資料。
8. 為圓形圖的各區段新增點並設定自訂顏色。
9. 為系列設定標籤。
10. 為系列標籤設定指示線。
11. 設定圓形圖投影片的旋轉角度。
12. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立圓形圖表：

	// 文件目錄的路徑。
	const String outPath = u"../out/PieChart_out.pptx";

	// 實例化代表 PPTX 檔案的 Presentation 類別
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	// 取得第一張投影片
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	// 新增具有預設資料的圖表
	SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::Pie, 0, 0, 500, 500);

	// 設定圖表標題
	chart->get_ChartTitle()->AddTextFrameForOverriding(u"Sample Title");
	chart->get_ChartTitle()->get_TextFrameForOverriding()->get_TextFrameFormat()->set_CenterText(NullableBool::True);
	chart->get_ChartTitle()->set_Height(20);
	chart->set_HasTitle(true);

	// 刪除預設產生的系列與類別
	chart->get_ChartData()->get_Series()->Clear();
	chart->get_ChartData()->get_Categories()->Clear();

	// 設定圖表資料工作表的索引
	int defaultWorksheetIndex = 0;

	// 取得圖表資料工作表
	SharedPtr<IChartDataWorkbook> fact = chart->get_ChartData()->get_ChartDataWorkbook();

	// 新增類別
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, 1, 0, ObjectExt::Box<System::String>(u"First Qtr")));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, 2, 0, ObjectExt::Box<System::String>(u"2nd Qtr")));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, 3, 0, ObjectExt::Box<System::String>(u"3ed Qtr")));

	// 新增一個系列
	chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 0, 1, ObjectExt::Box<System::String>(u"Series 1")), chart->get_Type());
	
	// 取得第一個圖表系列
	SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->idx_get(0);

	// 填充系列資料
	series->get_DataPoints()->AddDataPointForPieSeries(fact->GetCell(defaultWorksheetIndex, 1, 1, ObjectExt::Box<double>(20)));
	series->get_DataPoints()->AddDataPointForPieSeries(fact->GetCell(defaultWorksheetIndex, 2, 1, ObjectExt::Box<double>(50)));
	series->get_DataPoints()->AddDataPointForPieSeries(fact->GetCell(defaultWorksheetIndex, 3, 1, ObjectExt::Box<double>(30)));

	chart->get_ChartData()->get_SeriesGroups()->idx_get(0)->set_IsColorVaried(true);

	SharedPtr<IChartDataPoint> point = series->get_DataPoints()->idx_get(0);
	point->get_Format()->get_Fill()->set_FillType(FillType::Solid);
	point->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Cyan());
	// 設定扇區邊框
	point->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
	point->get_Format()->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Gray());
	point->get_Format()->get_Line()->set_Width ( 3.0);
	point->get_Format()->get_Line()->set_Style( LineStyle::ThinThick);
	point->get_Format()->get_Line()->set_DashStyle ( LineDashStyle::DashDot);

	SharedPtr<IChartDataPoint> point1 = series->get_DataPoints()->idx_get(1);
	point1->get_Format()->get_Fill()->set_FillType(FillType::Solid);
	point1->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Brown());

	// 設定扇區邊框
	point1->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
	point1->get_Format()->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Blue());
	point1->get_Format()->get_Line()->set_Width (3.0);
	point1->get_Format()->get_Line()->set_Style(LineStyle::Single);
	point1->get_Format()->get_Line()->set_DashStyle(LineDashStyle::LargeDashDot);


	SharedPtr<IChartDataPoint> point2 = series->get_DataPoints()->idx_get(2);
	point2->get_Format()->get_Fill()->set_FillType(FillType::Solid);
	point2->get_Format()->get_Fill()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Coral());

	// 設定扇區邊框
	point2->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);
	point2->get_Format()->get_Line()->get_FillFormat()->get_SolidFillColor()->set_Color(System::Drawing::Color::get_Red());
	point2->get_Format()->get_Line()->set_Width (2.0);
	point2->get_Format()->get_Line()->set_Style(LineStyle::ThickThin);
	point2->get_Format()->get_Line()->set_DashStyle(LineDashStyle::LargeDashDotDot);


	// 為新系列的每個類別建立自訂標籤
	SharedPtr<IDataLabel> lbl1 = series->get_DataPoints()->idx_get(0)->get_Label();

	// lbl.ShowCategoryName = true;
	lbl1->get_DataLabelFormat()->set_ShowValue(true);


	SharedPtr<IDataLabel> lbl2 = series->get_DataPoints()->idx_get(1)->get_Label();
	lbl2->get_DataLabelFormat()->set_ShowValue(true);
	lbl2->get_DataLabelFormat()->set_ShowLegendKey(true);
	lbl2->get_DataLabelFormat()->set_ShowPercentage(true);

	SharedPtr<IDataLabel> lbl3 = series->get_DataPoints()->idx_get(2)->get_Label();

	lbl3->get_DataLabelFormat()->set_ShowSeriesName(true);
	lbl3->get_DataLabelFormat()->set_ShowPercentage(true);

	// 設定系列顯示圖表的引線
	series->get_Labels()->get_DefaultDataLabelFormat()->set_ShowLeaderLines ( true);

	// 設定圓形圖扇區的旋轉角度
	chart->get_ChartData()->get_SeriesGroups()->idx_get(0)->set_FirstSliceAngle ( 180);


	// 儲存簡報
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立折線圖表

折線圖（亦稱折線圖）最適合用於顯示隨時間變化的數值。使用折線圖，您可以一次比較大量資料、追蹤時間趨勢、突顯資料系列中的異常等。

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表，使用預設資料並指定類型（此例為 ChartType::Line）。
4. 取得圖表資料 IChartDataWorkbook。
5. 清除預設的系列與類別。
6. 新增系列與類別。
7. 為圖表系列新增資料。
8. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立折線圖表：

auto pres = System::MakeObject<Presentation>();

System::SharedPtr<IChart> lineChart = pres->get_Slides()->idx_get(0)->get_Shapes()->AddChart(ChartType::Line, 10.0f, 50.0f, 600.0f, 350.0f);
pres->Save(u"lineChart.pptx", SaveFormat::Pptx);

預設情況下，折線圖的點會以直線連接。若希望以虛線連接點，可使用以下方式指定虛線類型：

System::SharedPtr<IChart> lineChart = pres->get_Slides()->idx_get(0)->get_Shapes()->AddChart(ChartType::Line, 10.0f, 50.0f, 600.0f, 350.0f);
for (auto&& series : lineChart->get_ChartData()->get_Series())
{
    series->get_Format()->get_Line()->set_DashStyle(LineDashStyle::Dash);
}

建立樹狀圖表

樹狀圖表最適合用於銷售資料，當您想顯示資料類別的相對大小，且同時快速突顯每個類別中貢獻較大的項目時。

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表，使用預設資料並指定類型（此例為 ChartType.TreeMap）。
4. 取得圖表資料 IChartDataWorkbook。
5. 清除預設的系列與類別。
6. 新增系列與類別。
7. 為圖表系列新增資料。
8. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立樹狀圖表：

// 文件目錄的路徑。
	const String outPath = u"../out/TreemapChart_out.pptx";

	// 實例化代表 PPTX 檔案的 Presentation 類別
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	// 取得第一張投影片
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	System::SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::Treemap, 50, 50, 500, 400);
	chart->get_ChartData()->get_Categories()->Clear();
	chart->get_ChartData()->get_Series()->Clear();

	System::SharedPtr<IChartDataWorkbook> wb = chart->get_ChartData()->get_ChartDataWorkbook();

	wb->Clear(0);

	// 分支 1
	System::SharedPtr<IChartCategory> leaf = chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C1", System::ObjectExt::Box<System::String>(u"Leaf1")));
	leaf->get_GroupingLevels()->SetGroupingItem(1, System::ObjectExt::Box<System::String>(u"Stem1"));
	leaf->get_GroupingLevels()->SetGroupingItem(2, System::ObjectExt::Box<System::String>(u"Branch1"));

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C2", System::ObjectExt::Box<System::String>(u"Leaf2")));

	leaf = chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C3", System::ObjectExt::Box<System::String>(u"Leaf3")));
	leaf->get_GroupingLevels()->SetGroupingItem(1, System::ObjectExt::Box<System::String>(u"Stem2"));

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C4", System::ObjectExt::Box<System::String>(u"Leaf4")));


	// 分支 2
	leaf = chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C5", System::ObjectExt::Box<System::String>(u"Leaf5")));
	leaf->get_GroupingLevels()->SetGroupingItem(1, System::ObjectExt::Box<System::String>(u"Stem3"));
	leaf->get_GroupingLevels()->SetGroupingItem(2, System::ObjectExt::Box<System::String>(u"Branch2"));

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C6", System::ObjectExt::Box<System::String>(u"Leaf6")));

	leaf = chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C7", System::ObjectExt::Box<System::String>(u"Leaf7")));
	leaf->get_GroupingLevels()->SetGroupingItem(1, System::ObjectExt::Box<System::String>(u"Stem4"));

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C8", System::ObjectExt::Box<System::String>(u"Leaf8")));

	System::SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->Add(Aspose::Slides::Charts::ChartType::Treemap);
	series->get_Labels()->get_DefaultDataLabelFormat()->set_ShowCategoryName(true);
	series->get_DataPoints()->AddDataPointForTreemapSeries(wb->GetCell(0, u"D1", System::ObjectExt::Box<int32_t>(4)));
	series->get_DataPoints()->AddDataPointForTreemapSeries(wb->GetCell(0, u"D2", System::ObjectExt::Box<int32_t>(5)));
	series->get_DataPoints()->AddDataPointForTreemapSeries(wb->GetCell(0, u"D3", System::ObjectExt::Box<int32_t>(3)));
	series->get_DataPoints()->AddDataPointForTreemapSeries(wb->GetCell(0, u"D4", System::ObjectExt::Box<int32_t>(6)));
	series->get_DataPoints()->AddDataPointForTreemapSeries(wb->GetCell(0, u"D5", System::ObjectExt::Box<int32_t>(9)));
	series->get_DataPoints()->AddDataPointForTreemapSeries(wb->GetCell(0, u"D6", System::ObjectExt::Box<int32_t>(9)));
	series->get_DataPoints()->AddDataPointForTreemapSeries(wb->GetCell(0, u"D7", System::ObjectExt::Box<int32_t>(4)));
	series->get_DataPoints()->AddDataPointForTreemapSeries(wb->GetCell(0, u"D8", System::ObjectExt::Box<int32_t>(3)));

	series->set_ParentLabelLayout(Aspose::Slides::Charts::ParentLabelLayoutType::Overlapping);

	// 儲存簡報
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立股票圖表

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表，使用預設資料並指定類型（ChartType.OpenHighLowClose）。
4. 取得圖表資料 IChartDataWorkbook。
5. 清除預設的系列與類別。
6. 新增系列與類別。
7. 為圖表系列新增資料。
8. 指定 HiLowLines 格式。
9. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立股票圖表：

	// 文件目錄的路徑。
	const String outPath = u"../out/AddStockChart_out.pptx";

	// 實例化代表 PPTX 檔案的 Presentation 類別
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	// 取得第一張投影片
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	// 新增具有預設資料的圖表
	SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::OpenHighLowClose, 0, 0, 500, 500);


	// 設定圖表資料工作表的索引
	int defaultWorksheetIndex = 0;

	// 取得圖表資料工作表
	SharedPtr<IChartDataWorkbook> fact = chart->get_ChartData()->get_ChartDataWorkbook();


	// 刪除預設產生的系列與類別
	chart->get_ChartData()->get_Series()->Clear();
	chart->get_ChartData()->get_Categories()->Clear();

	// 新增類別
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, 1, 0, ObjectExt::Box<System::String>(u"A")));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, 2, 0, ObjectExt::Box<System::String>(u"B")));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, 3, 0, ObjectExt::Box<System::String>(u"C")));

	// 新增一個系列
	chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 0, 1, ObjectExt::Box<System::String>(u"Open")), chart->get_Type());
	chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 0, 2, ObjectExt::Box<System::String>(u"High")), chart->get_Type());
	chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 0, 3, ObjectExt::Box<System::String>(u"Low")), chart->get_Type());
	chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 0, 4, ObjectExt::Box<System::String>(u"Close")), chart->get_Type());


	// 取得第一個圖表系列
	SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->idx_get(0);
	// 填充第一個系列資料
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 1, 1, ObjectExt::Box<double>(72)));
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 2, 1, ObjectExt::Box<double>(25)));
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 3, 1, ObjectExt::Box<double>(38)));


	series = chart->get_ChartData()->get_Series()->idx_get(1);
	// 填充第二個系列資料
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 1, 2, ObjectExt::Box<double>(172)));
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 2, 2, ObjectExt::Box<double>(57)));
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 3, 2, ObjectExt::Box<double>(57)));

	series = chart->get_ChartData()->get_Series()->idx_get(2);
	// 填充第二個系列資料
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 1, 3, ObjectExt::Box<double>(12)));
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 2, 3, ObjectExt::Box<double>(12)));
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 3, 3, ObjectExt::Box<double>(13)));


	series = chart->get_ChartData()->get_Series()->idx_get(3);
	// 填充第二個系列資料
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 1, 4, ObjectExt::Box<double>(25)));
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 2, 4, ObjectExt::Box<double>(38)));
	series->get_DataPoints()->AddDataPointForStockSeries(fact->GetCell(defaultWorksheetIndex, 3, 4, ObjectExt::Box<double>(50)));

	// 設定系列群組
	chart->get_ChartData()->get_SeriesGroups()->idx_get(0)->get_UpDownBars()->set_HasUpDownBars (true);
	chart->get_ChartData()->get_SeriesGroups()->idx_get(0)->get_HiLowLinesFormat()->get_Line()->get_FillFormat()->set_FillType(FillType::Solid);


	for(int i=0;i<chart->get_ChartData()->get_Series()->get_Count();i++)
	{
		series = chart->get_ChartData()->get_Series()->idx_get(i);
		series->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::NoFill);
	}

	// 儲存簡報
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立箱形圖表

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表，使用預設資料並指定類型（ChartType.BoxAndWhisker）。
4. 取得圖表資料 IChartDataWorkbook。
5. 清除預設的系列與類別。
6. 新增系列與類別。
7. 為圖表系列新增資料。
8. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立箱形圖表：

	// 文件目錄的路徑。
	const String outPath = u"../out/BoxAndWhisker_out.pptx";

	//Instantiates a Presentation class that represents a PPTX file
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	//Accesses the first slide
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	System::SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::BoxAndWhisker, 50, 50, 500, 400);
	chart->get_ChartData()->get_Categories()->Clear();
	chart->get_ChartData()->get_Series()->Clear();

	System::SharedPtr<IChartDataWorkbook> wb = chart->get_ChartData()->get_ChartDataWorkbook();

	wb->Clear(0);

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A1", System::ObjectExt::Box<System::String>(u"Category 1")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A2", System::ObjectExt::Box<System::String>(u"Category 1")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A3", System::ObjectExt::Box<System::String>(u"Category 1")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A4", System::ObjectExt::Box<System::String>(u"Category 1")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A5", System::ObjectExt::Box<System::String>(u"Category 1")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A6", System::ObjectExt::Box<System::String>(u"Category 1")));

	System::SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->Add(Aspose::Slides::Charts::ChartType::BoxAndWhisker);

	series->set_QuartileMethod(Aspose::Slides::Charts::QuartileMethodType::Exclusive);
	series->set_ShowMeanLine(true);
	series->set_ShowMeanMarkers(true);
	series->set_ShowInnerPoints(true);
	series->set_ShowOutlierPoints(true);

	series->get_DataPoints()->AddDataPointForBoxAndWhiskerSeries(wb->GetCell(0, u"B1", System::ObjectExt::Box<int32_t>(15)));
	series->get_DataPoints()->AddDataPointForBoxAndWhiskerSeries(wb->GetCell(0, u"B2", System::ObjectExt::Box<int32_t>(41)));
	series->get_DataPoints()->AddDataPointForBoxAndWhiskerSeries(wb->GetCell(0, u"B3", System::ObjectExt::Box<int32_t>(16)));
	series->get_DataPoints()->AddDataPointForBoxAndWhiskerSeries(wb->GetCell(0, u"B4", System::ObjectExt::Box<int32_t>(10)));
	series->get_DataPoints()->AddDataPointForBoxAndWhiskerSeries(wb->GetCell(0, u"B5", System::ObjectExt::Box<int32_t>(23)));
	series->get_DataPoints()->AddDataPointForBoxAndWhiskerSeries(wb->GetCell(0, u"B6", System::ObjectExt::Box<int32_t>(16)));


	// 儲存簡報
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立漏斗圖表

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表，使用預設資料並指定類型（ChartType.Funnel）。
4. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立漏斗圖表：

	// 文件目錄的路徑。
	const String outPath = u"../out/FunnelChart_out.pptx";

	//實例化代表 PPTX 檔案的 Presentation 類別
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	//取得第一張投影片
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	System::SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::Funnel, 50, 50, 500, 400);
	chart->get_ChartData()->get_Categories()->Clear();
	chart->get_ChartData()->get_Series()->Clear();

	System::SharedPtr<IChartDataWorkbook> wb = chart->get_ChartData()->get_ChartDataWorkbook();

	wb->Clear(0);

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A1", System::ObjectExt::Box<System::String>(u"Category 1")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A2", System::ObjectExt::Box<System::String>(u"Category 2")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A3", System::ObjectExt::Box<System::String>(u"Category 3")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A4", System::ObjectExt::Box<System::String>(u"Category 4")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A5", System::ObjectExt::Box<System::String>(u"Category 5")));
	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"A6", System::ObjectExt::Box<System::String>(u"Category 6")));

	System::SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->Add(Aspose::Slides::Charts::ChartType::Funnel);

	series->get_DataPoints()->AddDataPointForFunnelSeries(wb->GetCell(0, u"B1", System::ObjectExt::Box<int32_t>(50)));
	series->get_DataPoints()->AddDataPointForFunnelSeries(wb->GetCell(0, u"B2", System::ObjectExt::Box<int32_t>(100)));
	series->get_DataPoints()->AddDataPointForFunnelSeries(wb->GetCell(0, u"B3", System::ObjectExt::Box<int32_t>(200)));
	series->get_DataPoints()->AddDataPointForFunnelSeries(wb->GetCell(0, u"B4", System::ObjectExt::Box<int32_t>(300)));
	series->get_DataPoints()->AddDataPointForFunnelSeries(wb->GetCell(0, u"B5", System::ObjectExt::Box<int32_t>(400)));
	series->get_DataPoints()->AddDataPointForFunnelSeries(wb->GetCell(0, u"B6", System::ObjectExt::Box<int32_t>(500)));


	// 儲存簡報
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立日光圖表

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表，使用預設資料並指定類型（此例為 ChartType.sunburst）。
4. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立日光圖表：

	// 文件目錄的路徑。
	const String outPath = u"../out/SunburstChart_out.pptx";

	// 實例化代表 PPTX 檔案的 Presentation 類別
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	// 取得第一張投影片
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	System::SharedPtr<IChart> chart=slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::Sunburst, 50, 50, 500, 400);
	chart->get_ChartData()->get_Categories()->Clear();
	chart->get_ChartData()->get_Series()->Clear();

	System::SharedPtr<IChartDataWorkbook> wb = chart->get_ChartData()->get_ChartDataWorkbook();

	wb->Clear(0);

	// 分支 1
	System::SharedPtr<IChartCategory> leaf = chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C1", System::ObjectExt::Box<System::String>(u"Leaf1")));
	leaf->get_GroupingLevels()->SetGroupingItem(1, System::ObjectExt::Box<System::String>(u"Stem1"));
	leaf->get_GroupingLevels()->SetGroupingItem(2, System::ObjectExt::Box<System::String>(u"Branch1"));

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C2", System::ObjectExt::Box<System::String>(u"Leaf2")));

	leaf = chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C3", System::ObjectExt::Box<System::String>(u"Leaf3")));
	leaf->get_GroupingLevels()->SetGroupingItem(1, System::ObjectExt::Box<System::String>(u"Stem2"));

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C4", System::ObjectExt::Box<System::String>(u"Leaf4")));

	// 分支 2
	leaf = chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C5", System::ObjectExt::Box<System::String>(u"Leaf5")));
	leaf->get_GroupingLevels()->SetGroupingItem(1, System::ObjectExt::Box<System::String>(u"Stem3"));
	leaf->get_GroupingLevels()->SetGroupingItem(2, System::ObjectExt::Box<System::String>(u"Branch2"));

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C6", System::ObjectExt::Box<System::String>(u"Leaf6")));

	leaf = chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C7", System::ObjectExt::Box<System::String>(u"Leaf7")));
	leaf->get_GroupingLevels()->SetGroupingItem(1, System::ObjectExt::Box<System::String>(u"Stem4"));

	chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, u"C8", System::ObjectExt::Box<System::String>(u"Leaf8")));

	System::SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->Add(Aspose::Slides::Charts::ChartType::Sunburst);
	series->get_Labels()->get_DefaultDataLabelFormat()->set_ShowCategoryName(true);
	series->get_DataPoints()->AddDataPointForSunburstSeries(wb->GetCell(0, u"D1", System::ObjectExt::Box<int32_t>(4)));
	series->get_DataPoints()->AddDataPointForSunburstSeries(wb->GetCell(0, u"D2", System::ObjectExt::Box<int32_t>(5)));
	series->get_DataPoints()->AddDataPointForSunburstSeries(wb->GetCell(0, u"D3", System::ObjectExt::Box<int32_t>(3)));
	series->get_DataPoints()->AddDataPointForSunburstSeries(wb->GetCell(0, u"D4", System::ObjectExt::Box<int32_t>(6)));
	series->get_DataPoints()->AddDataPointForSunburstSeries(wb->GetCell(0, u"D5", System::ObjectExt::Box<int32_t>(9)));
	series->get_DataPoints()->AddDataPointForSunburstSeries(wb->GetCell(0, u"D6", System::ObjectExt::Box<int32_t>(9)));
	series->get_DataPoints()->AddDataPointForSunburstSeries(wb->GetCell(0, u"D7", System::ObjectExt::Box<int32_t>(4)));
	series->get_DataPoints()->AddDataPointForSunburstSeries(wb->GetCell(0, u"D8", System::ObjectExt::Box<int32_t>(3)));

	// 將簡報檔案寫入磁碟
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立直方圖表

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表並指定資料與您偏好的圖表類型（此例為 ChartType.Histogram）。
4. 取得圖表資料 IChartDataWorkbook。
5. 清除預設的系列與類別。
6. 新增系列與類別。
7. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立直方圖表：

	// 文件目錄的路徑。
	const String outPath = u"../out/HistogramChart_out.pptx";

	// 實例化代表 PPTX 檔案的 Presentation 類別
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	// 取得第一張投影片
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	System::SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::Histogram, 50, 50, 500, 400);
	chart->get_ChartData()->get_Categories()->Clear();
	chart->get_ChartData()->get_Series()->Clear();

	System::SharedPtr<IChartDataWorkbook> wb = chart->get_ChartData()->get_ChartDataWorkbook();

	wb->Clear(0);

	System::SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->Add(Aspose::Slides::Charts::ChartType::Histogram);
	series->get_DataPoints()->AddDataPointForHistogramSeries(wb->GetCell(0, u"A1", System::ObjectExt::Box<int32_t>(15)));
	series->get_DataPoints()->AddDataPointForHistogramSeries(wb->GetCell(0, u"A2", System::ObjectExt::Box<int32_t>(-41)));
	series->get_DataPoints()->AddDataPointForHistogramSeries(wb->GetCell(0, u"A3", System::ObjectExt::Box<int32_t>(16)));
	series->get_DataPoints()->AddDataPointForHistogramSeries(wb->GetCell(0, u"A4", System::ObjectExt::Box<int32_t>(10)));
	series->get_DataPoints()->AddDataPointForHistogramSeries(wb->GetCell(0, u"A5", System::ObjectExt::Box<int32_t>(-23)));
	series->get_DataPoints()->AddDataPointForHistogramSeries(wb->GetCell(0, u"A6", System::ObjectExt::Box<int32_t>(16)));

	chart->get_Axes()->get_HorizontalAxis()->set_AggregationType(Aspose::Slides::Charts::AxisAggregationType::Automatic);

	// 儲存簡報
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立雷達圖表

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表並指定資料與您偏好的圖表類型（此例為 ChartType.Radar）。
4. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立雷達圖表：

System::SharedPtr<Presentation> presentation = System::MakeObject<Presentation>();

presentation->get_Slides()->idx_get(0)->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::Radar, 20.0f, 20.0f, 400.0f, 300.0f);
presentation->Save(u"Radar-chart.pptx", Aspose::Slides::Export::SaveFormat::Pptx);

建立多類別圖表

1. 建立 Presentation 類別的實例。
2. 依索引取得投影片的參考。
3. 加入圖表，使用預設資料並指定類型（ChartType.ClusteredColumn）。
4. 取得圖表資料 IChartDataWorkbook。
5. 清除預設的系列與類別。
6. 新增系列與類別。
7. 為圖表系列新增資料。
8. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何建立多類別圖表：

	// 文件目錄的路徑。
	const String outPath = u"../out/MultiCategoryChart_out.pptx";

	//Instantiates a Presentation class that represents a PPTX file
	SharedPtr<Presentation> pres = MakeObject<Presentation>();

	//Accesses the first slide
	SharedPtr<ISlide> slide = pres->get_Slides()->idx_get(0);

	// Adds a chart with default data
	SharedPtr<IChart> chart = slide->get_Shapes()->AddChart(Aspose::Slides::Charts::ChartType::ClusteredColumn, 0, 0, 500, 500);

	// Sets the index for the chart data sheet
	int defaultWorksheetIndex = 0;

	// Gets the chart data worksheet
	SharedPtr<IChartDataWorkbook> fact = chart->get_ChartData()->get_ChartDataWorkbook();

	// Clears the workbook
	fact->Clear(defaultWorksheetIndex);

	chart->get_ChartData()->get_Series()->Clear();
	chart->get_ChartData()->get_Categories()->Clear();


	// Adds Categories
	SharedPtr<IChartCategory> category = chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, u"c2", ObjectExt::Box<System::String>(u"A")));
	category->get_GroupingLevels()->SetGroupingItem(1, ObjectExt::Box<System::String>(u"Group1"));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, u"c3", ObjectExt::Box<System::String>(u"B")));
	
	category = chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, u"c4", ObjectExt::Box<System::String>(u"C")));
	category->get_GroupingLevels()->SetGroupingItem(1, ObjectExt::Box<System::String>(u"Group2"));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, u"c5", ObjectExt::Box<System::String>(u"D")));

	category = chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, u"c6", ObjectExt::Box<System::String>(u"E")));
	category->get_GroupingLevels()->SetGroupingItem(1, ObjectExt::Box<System::String>(u"Group3"));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, u"c7", ObjectExt::Box<System::String>(u"F")));


	category = chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, u"c8", ObjectExt::Box<System::String>(u"G")));
	category->get_GroupingLevels()->SetGroupingItem(1, ObjectExt::Box<System::String>(u"Group4"));
	chart->get_ChartData()->get_Categories()->Add(fact->GetCell(defaultWorksheetIndex, u"c9", ObjectExt::Box<System::String>(u"H")));

	// Adds a new series
	SharedPtr<IChartSeries>  series = chart->get_ChartData()->get_Series()->Add(fact->GetCell(0, u"D1", ObjectExt::Box<System::String>(u"Series 1")),
		ChartType::ClusteredColumn);

	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, u"D2", ObjectExt::Box<double>(10)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, u"D3", ObjectExt::Box<double>(20)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, u"D4", ObjectExt::Box<double>(30)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, u"D5", ObjectExt::Box<double>(40)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, u"D6", ObjectExt::Box<double>(50)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, u"D7", ObjectExt::Box<double>(60)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, u"D8", ObjectExt::Box<double>(70)));
	series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, u"D9", ObjectExt::Box<double>(80)));

	// Saves the presentation
	pres->Save(outPath, Aspose::Slides::Export::SaveFormat::Pptx);

建立地圖圖表

地圖圖表是將資料以區域視覺化的方式呈現，最適合比較不同地理區域之間的資料或數值。

以下 C++ 程式碼示範如何建立地圖圖表：

auto pres = System::MakeObject<Presentation>();
auto slide = pres->get_Slides()->idx_get(0);
auto chart = slide->get_Shapes()->AddChart(ChartType::Map, 50.0f, 50.0f, 500.0f, 400.0f);
pres->Save(u"mapChart.pptx", SaveFormat::Pptx);

建立組合圖表

組合圖表（或稱 combo 圖表）在同一圖表中結合兩種或以上的圖表類型。此圖表可讓您突顯、比較或檢視多組資料之間的差異，協助辨識它們之間的關係。

以下 C++ 程式碼示範如何在 PowerPoint 簡報中建立上述組合圖表：

static SharedPtr<IChart> CreateChartWithFirstSeries(SharedPtr<ISlide> slide)
{
    auto chart = slide->get_Shapes()->AddChart(ChartType::ClusteredColumn, 50, 50, 600, 400);

    // 設定圖表標題。
    chart->set_HasTitle(true);
    chart->get_ChartTitle()->AddTextFrameForOverriding(u"Chart Title");
    chart->get_ChartTitle()->set_Overlay(false);
    auto titleParagraph = chart->get_ChartTitle()->get_TextFrameForOverriding()->get_Paragraph(0);
    auto titleFormat = titleParagraph->get_ParagraphFormat()->get_DefaultPortionFormat();
    titleFormat->set_FontBold(NullableBool::False);
    titleFormat->set_FontHeight(18.0);

    // 設定圖表圖例。
    chart->get_Legend()->set_Position(LegendPositionType::Bottom);
    chart->get_Legend()->get_TextFormat()->get_PortionFormat()->set_FontHeight(12.0);

    // 刪除預設產生的系列與類別。
    chart->get_ChartData()->get_Series()->Clear();
    chart->get_ChartData()->get_Categories()->Clear();

    const int worksheetIndex = 0;
    auto workbook = chart->get_ChartData()->get_ChartDataWorkbook();

    // 新增類別。
    chart->get_ChartData()->get_Categories()->Add(workbook->GetCell(worksheetIndex, 1, 0, ObjectExt::Box<String>(u"Category 1")));
    chart->get_ChartData()->get_Categories()->Add(workbook->GetCell(worksheetIndex, 2, 0, ObjectExt::Box<String>(u"Category 2")));
    chart->get_ChartData()->get_Categories()->Add(workbook->GetCell(worksheetIndex, 3, 0, ObjectExt::Box<String>(u"Category 3")));
    chart->get_ChartData()->get_Categories()->Add(workbook->GetCell(worksheetIndex, 4, 0, ObjectExt::Box<String>(u"Category 4")));

    // 新增第一個系列。
    auto seriesNameCell = workbook->GetCell(worksheetIndex, 0, 1, ObjectExt::Box<String>(u"Series 1"));
    auto series = chart->get_ChartData()->get_Series()->Add(seriesNameCell, chart->get_Type());

    series->get_ParentSeriesGroup()->set_Overlap(-25);
    series->get_ParentSeriesGroup()->set_GapWidth(220);

    series->get_DataPoints()->AddDataPointForBarSeries(workbook->GetCell(worksheetIndex, 1, 1, ObjectExt::Box<double>(4.3)));
    series->get_DataPoints()->AddDataPointForBarSeries(workbook->GetCell(worksheetIndex, 2, 1, ObjectExt::Box<double>(2.5)));
    series->get_DataPoints()->AddDataPointForBarSeries(workbook->GetCell(worksheetIndex, 3, 1, ObjectExt::Box<double>(3.5)));
    series->get_DataPoints()->AddDataPointForBarSeries(workbook->GetCell(worksheetIndex, 4, 1, ObjectExt::Box<double>(4.5)));

    return chart;
}

static void AddSecondSeriesToChart(SharedPtr<IChart> chart)
{
    auto workbook = chart->get_ChartData()->get_ChartDataWorkbook();
    const int worksheetIndex = 0;

    auto seriesNameCell = workbook->GetCell(worksheetIndex, 0, 2, ObjectExt::Box<String>(u"Series 2"));
    auto series = chart->get_ChartData()->get_Series()->Add(seriesNameCell, ChartType::ClusteredColumn);

    series->get_ParentSeriesGroup()->set_Overlap(-25);
    series->get_ParentSeriesGroup()->set_GapWidth(220);

    series->get_DataPoints()->AddDataPointForBarSeries(workbook->GetCell(worksheetIndex, 1, 2, ObjectExt::Box<double>(2.4)));
    series->get_DataPoints()->AddDataPointForBarSeries(workbook->GetCell(worksheetIndex, 2, 2, ObjectExt::Box<double>(4.4)));
    series->get_DataPoints()->AddDataPointForBarSeries(workbook->GetCell(worksheetIndex, 3, 2, ObjectExt::Box<double>(1.8)));
    series->get_DataPoints()->AddDataPointForBarSeries(workbook->GetCell(worksheetIndex, 4, 2, ObjectExt::Box<double>(2.8)));
}

static void AddThirdSeriesToChart(SharedPtr<IChart> chart)
{
    auto workbook = chart->get_ChartData()->get_ChartDataWorkbook();
    const int worksheetIndex = 0;

    auto seriesNameCell = workbook->GetCell(worksheetIndex, 0, 3, ObjectExt::Box<String>(u"Series 3"));
    auto series = chart->get_ChartData()->get_Series()->Add(seriesNameCell, ChartType::Line);

    series->get_DataPoints()->AddDataPointForLineSeries(workbook->GetCell(worksheetIndex, 1, 3, ObjectExt::Box<double>(2.0)));
    series->get_DataPoints()->AddDataPointForLineSeries(workbook->GetCell(worksheetIndex, 2, 3, ObjectExt::Box<double>(2.0)));
    series->get_DataPoints()->AddDataPointForLineSeries(workbook->GetCell(worksheetIndex, 3, 3, ObjectExt::Box<double>(3.0)));
    series->get_DataPoints()->AddDataPointForLineSeries(workbook->GetCell(worksheetIndex, 4, 3, ObjectExt::Box<double>(5.0)));

    series->set_PlotOnSecondAxis(true);
}

static void SetAxisTitle(SharedPtr<IAxis> axis, String axisTitle)
{
    axis->set_HasTitle(true);
    axis->get_Title()->set_Overlay(false);
    auto titleParagraph = axis->get_Title()->AddTextFrameForOverriding(axisTitle)->get_Paragraph(0);
    auto titleFormat = titleParagraph->get_ParagraphFormat()->get_DefaultPortionFormat();
    titleFormat->set_FontBold(NullableBool::False);
    titleFormat->set_FontHeight(12.0);
}

static void SetPrimaryAxesFormat(SharedPtr<IChart> chart)
{
    // 設定水平軸。
    auto horizontalAxis = chart->get_Axes()->get_HorizontalAxis();
    horizontalAxis->get_TextFormat()->get_PortionFormat()->set_FontHeight(12.0);
    horizontalAxis->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::NoFill);

    SetAxisTitle(horizontalAxis, u"X Axis");

    // 設定垂直軸。
    auto verticalAxis = chart->get_Axes()->get_VerticalAxis();
    verticalAxis->get_TextFormat()->get_PortionFormat()->set_FontHeight(12.0);
    verticalAxis->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::NoFill);

    SetAxisTitle(verticalAxis, u"Y Axis 1");

    // 設定垂直主格線顏色。
    auto majorGridLinesFormat = verticalAxis->get_MajorGridLinesFormat()->get_Line()->get_FillFormat();
    majorGridLinesFormat->set_FillType(FillType::Solid);
    majorGridLinesFormat->get_SolidFillColor()->set_Color(Color::FromArgb(217, 217, 217));
}

static void SetSecondaryAxesFormat(SharedPtr<IChart> chart)
{
    // 設定次要水平軸。
    auto secondaryHorizontalAxis = chart->get_Axes()->get_SecondaryHorizontalAxis();
    secondaryHorizontalAxis->set_Position(AxisPositionType::Bottom);
    secondaryHorizontalAxis->set_CrossType(CrossesType::Maximum);
    secondaryHorizontalAxis->set_IsVisible(false);
    secondaryHorizontalAxis->get_MajorGridLinesFormat()->get_Line()->get_FillFormat()->set_FillType(FillType::NoFill);
    secondaryHorizontalAxis->get_MinorGridLinesFormat()->get_Line()->get_FillFormat()->set_FillType(FillType::NoFill);

    // 設定次要垂直軸。
    auto secondaryVerticalAxis = chart->get_Axes()->get_SecondaryVerticalAxis();
    secondaryVerticalAxis->set_Position(AxisPositionType::Right);
    secondaryVerticalAxis->get_TextFormat()->get_PortionFormat()->set_FontHeight(12.0);
    secondaryVerticalAxis->get_Format()->get_Line()->get_FillFormat()->set_FillType(FillType::NoFill);
    secondaryVerticalAxis->get_MajorGridLinesFormat()->get_Line()->get_FillFormat()->set_FillType(FillType::NoFill);
    secondaryVerticalAxis->get_MinorGridLinesFormat()->get_Line()->get_FillFormat()->set_FillType(FillType::NoFill);

    SetAxisTitle(secondaryVerticalAxis, u"Y Axis 2");
}

static void CreateComboChart()
{
    auto presentation = MakeObject<Presentation>();
    auto slide = presentation->get_Slide(0);

    auto chart = CreateChartWithFirstSeries(slide);

    AddSecondSeriesToChart(chart);
    AddThirdSeriesToChart(chart);

    SetPrimaryAxesFormat(chart);
    SetSecondaryAxesFormat(chart);

    presentation->Save(u"combo-chart.pptx", SaveFormat::Pptx);
    presentation->Dispose();
}

更新圖表

1. 實例化表示包含圖表之簡報的 Presentation 類別。
2. 依索引取得投影片的參考。
3. 遍歷所有圖形以找出目標圖表。
4. 取得圖表資料工作表。
5. 透過變更系列值來修改圖表系列的資料。
6. 新增系列並填入資料。
7. 將修改後的簡報寫入 PPTX 檔案。

以下 C++ 程式碼示範如何更新圖表：

// 實例化代表 PPTX 檔案的 Presentation 類別
System::SharedPtr<Presentation> pres = System::MakeObject<Presentation>(u"ExistingChart.pptx");

// 取得第一張投影片
System::SharedPtr<ISlide> sld = pres->get_Slides()->idx_get(0);

// 新增具有預設資料的圖表
System::SharedPtr<IChart> chart = System::ExplicitCast<Aspose::Slides::Charts::IChart>(sld->get_Shapes()->idx_get(0));

// 設定圖表資料工作表的索引
int32_t defaultWorksheetIndex = 0;

// 取得圖表資料工作表
System::SharedPtr<IChartDataWorkbook> fact = chart->get_ChartData()->get_ChartDataWorkbook();


// 變更圖表類別名稱
fact->GetCell(defaultWorksheetIndex, 1, 0, System::ObjectExt::Box<System::String>(u"Modified Category 1"));
fact->GetCell(defaultWorksheetIndex, 2, 0, System::ObjectExt::Box<System::String>(u"Modified Category 2"));

// 取得第一個圖表系列
System::SharedPtr<IChartSeries> series = chart->get_ChartData()->get_Series()->idx_get(0);

// 更新系列資料
fact->GetCell(defaultWorksheetIndex, 0, 1, System::ObjectExt::Box<System::String>(u"New_Series1"));
// 修改系列名稱
series->get_DataPoints()->idx_get(0)->get_Value()->set_Data(System::ObjectExt::Box<int32_t>(90));
series->get_DataPoints()->idx_get(1)->get_Value()->set_Data(System::ObjectExt::Box<int32_t>(123));
series->get_DataPoints()->idx_get(2)->get_Value()->set_Data(System::ObjectExt::Box<int32_t>(44));

// 取得第二個圖表系列
series = chart->get_ChartData()->get_Series()->idx_get(1);

// 現在更新系列資料
fact->GetCell(defaultWorksheetIndex, 0, 2, System::ObjectExt::Box<System::String>(u"New_Series2"));
// 修改系列名稱
series->get_DataPoints()->idx_get(0)->get_Value()->set_Data(System::ObjectExt::Box<int32_t>(23));
series->get_DataPoints()->idx_get(1)->get_Value()->set_Data(System::ObjectExt::Box<int32_t>(67));
series->get_DataPoints()->idx_get(2)->get_Value()->set_Data(System::ObjectExt::Box<int32_t>(99));


// 現在，新增一個系列
chart->get_ChartData()->get_Series()->Add(fact->GetCell(defaultWorksheetIndex, 0, 3, System::ObjectExt::Box<System::String>(u"Series 3")), chart->get_Type());

// 取得第三個圖表系列
series = chart->get_ChartData()->get_Series()->idx_get(2);

// 現在填入系列資料
series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, 1, 3, System::ObjectExt::Box<int32_t>(20)));
series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, 2, 3, System::ObjectExt::Box<int32_t>(50)));
series->get_DataPoints()->AddDataPointForBarSeries(fact->GetCell(defaultWorksheetIndex, 3, 3, System::ObjectExt::Box<int32_t>(30)));

chart->set_Type(Aspose::Slides::Charts::ChartType::ClusteredCylinder);

// 儲存包含圖表的簡報
pres->Save(u"AsposeChartModified_out.pptx", Aspose::Slides::Export::SaveFormat::Pptx);

設定圖表的資料範圍

1. 開啟包含圖表的 Presentation 實例。
2. 依索引取得投影片的參考。
3. 遍歷所有圖形以找出目標圖表。
4. 取得圖表資料並設定範圍。
5. 將修改後的簡報儲存為 PPTX 檔案。

以下 C++ 程式碼示範如何為圖表設定資料範圍：

// 文件目錄的路徑。
String dataDir = GetDataPath();

// 實例化代表 PPTX 檔案的 Presentation 類別
auto presentation = System::MakeObject<Presentation>(dataDir + u"ExistingChart.pptx");

// 取得第一張投影片並取得預設資料的圖表
auto slide = presentation->get_Slides()->idx_get(0);
auto chart = System::ExplicitCast<IChart>(slide->get_Shapes()->idx_get(0));
chart->get_ChartData()->SetRange(u"Sheet1!A1:B4");
presentation->Save(dataDir + u"SetDataRange_out.pptx", SaveFormat::Pptx);

在圖表中使用預設標記

在圖表中使用預設標記時，每個圖表系列會自動取得不同的預設標記圖示。

以下 C++ 程式碼示範如何自動為圖表系列設定標記：

// 文件目錄的路徑。
String dataDir = GetDataPath();

auto pres = System::MakeObject<Presentation>();

auto slide = pres->get_Slides()->idx_get(0);
auto chart = slide->get_Shapes()->AddChart(ChartType::LineWithMarkers, 10.0f, 10.0f, 400.0f, 400.0f);

chart->get_ChartData()->get_Series()->Clear();
chart->get_ChartData()->get_Categories()->Clear();

auto wb = chart->get_ChartData()->get_ChartDataWorkbook();
chart->get_ChartData()->get_Series()->Add(wb->GetCell(0, 0, 1, ObjectExt::Box<String>(u"Series 1")), chart->get_Type());
auto series = chart->get_ChartData()->get_Series()->idx_get(0);

chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, 1, 0, ObjectExt::Box<String>(u"C1")));
series->get_DataPoints()->AddDataPointForLineSeries(wb->GetCell(0, 1, 1, ObjectExt::Box<int32_t>(24)));
chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, 2, 0, ObjectExt::Box<String>(u"C2")));
series->get_DataPoints()->AddDataPointForLineSeries(wb->GetCell(0, 2, 1, ObjectExt::Box<int32_t>(23)));
chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, 3, 0, ObjectExt::Box<String>(u"C3")));
series->get_DataPoints()->AddDataPointForLineSeries(wb->GetCell(0, 3, 1, ObjectExt::Box<int32_t>(-10)));
chart->get_ChartData()->get_Categories()->Add(wb->GetCell(0, 4, 0, ObjectExt::Box<String>(u"C4")));
series->get_DataPoints()->AddDataPointForLineSeries(wb->GetCell(0, 4, 1, nullptr));

chart->get_ChartData()->get_Series()->Add(wb->GetCell(0, 0, 2, ObjectExt::Box<String>(u"Series 2")), chart->get_Type());

// 取得第二個圖表系列
auto series2 = chart->get_ChartData()->get_Series()->idx_get(1);

// 填充系列資料
series2->get_DataPoints()->AddDataPointForLineSeries(wb->GetCell(0, 1, 2, ObjectExt::Box<int32_t>(30)));
series2->get_DataPoints()->AddDataPointForLineSeries(wb->GetCell(0, 2, 2, ObjectExt::Box<int32_t>(10)));
series2->get_DataPoints()->AddDataPointForLineSeries(wb->GetCell(0, 3, 2, ObjectExt::Box<int32_t>(60)));
series2->get_DataPoints()->AddDataPointForLineSeries(wb->GetCell(0, 4, 2, ObjectExt::Box<int32_t>(40)));

chart->set_HasLegend(true);
chart->get_Legend()->set_Overlay(false);

pres->Save(dataDir + u"DefaultMarkersInChart.pptx", SaveFormat::Pptx);

常見問題

Aspose.Slides 支援哪些圖表類型？

Aspose.Slides 支援包括長條圖、折線圖、圓形圖、區域圖、散佈圖、直方圖、雷達圖等多種圖表類型。此彈性讓您可依資料視覺化需求選擇最適合的圖表類型。

如何將新圖表加入投影片？

首先建立 Presentation 類別的實例，依索引取得目標投影片，然後呼叫加入圖表的方法，並指定圖表類型與初始資料。此程序會將圖表直接嵌入簡報中。

如何更新圖表中顯示的資料？

您可以透過存取圖表的資料工作簿（IChartDataWorkbook），清除任何預設的系列與類別，然後加入自訂資料，以程式方式刷新圖表顯示最新資料。

是否可以自訂圖表的外觀？

可以，Aspose.Slides 提供豐富的自訂選項，您能修改顏色、字型、標籤、圖例以及其他格式元素，以符合特定設計需求。