Aspose.Slides是一款专业的PPT文档创建、处理、转换的无图形界面控件，可以帮助开发人员在其应用程序里添加PPT文件的处理功能，很多Microsoft PowerPoint软件支持的功能，该控件都可以通过API实现，这篇文章主要介绍如何使用代码为PPT文件创建或插入各种图表，下面举例说明如何在PPT文件里创建一个简单的柱状图表，其他类型的图表开发人员可以查看控件提供的帮助文档和事例：

//Instantiate Presentation class that represents PPTX file//Instantiate Presentation class that represents PPTX file

Presentation pres = new Presentation();

 

//Access first slide

ISlide sld = pres.Slides[0];

 

// Add chart with default data

IChart chart = sld.Shapes.AddChart(ChartType.ClusteredColumn, 0, 0, 500, 500);

 

//Setting chart Title

//chart.ChartTitle.TextFrameForOverriding.Text = "Sample Title";

chart.ChartTitle.AddTextFrameForOverriding("Sample Title");

chart.ChartTitle.TextFrameForOverriding.TextFrameFormat.CenterText = NullableBool.True;

chart.ChartTitle.Height = 20;

chart.HasTitle = true;

 

//Set first series to Show Values

chart.ChartData.Series[0].Labels.DefaultDataLabelFormat.ShowValue = true;

 

//Setting the index of chart data sheet

int defaultWorksheetIndex = 0;

 

//Getting the chart data worksheet

IChartDataWorkbook fact = chart.ChartData.ChartDataWorkbook;

 

//Delete default generated series and categories

chart.ChartData.Series.Clear();

chart.ChartData.Categories.Clear();

int s = chart.ChartData.Series.Count;

s = chart.ChartData.Categories.Count;

 

//Adding new series

chart.ChartData.Series.Add(fact.GetCell(defaultWorksheetIndex, 0, 1, "Series 1"), chart.Type);

chart.ChartData.Series.Add(fact.GetCell(defaultWorksheetIndex, 0, 2, "Series 2"), chart.Type);

 

//Adding new categories

chart.ChartData.Categories.Add(fact.GetCell(defaultWorksheetIndex, 1, 0, "Caetegoty 1"));

chart.ChartData.Categories.Add(fact.GetCell(defaultWorksheetIndex, 2, 0, "Caetegoty 2"));

chart.ChartData.Categories.Add(fact.GetCell(defaultWorksheetIndex, 3, 0, "Caetegoty 3"));

 

//Take first chart series

IChartSeries series = chart.ChartData.Series[0];

 

//Now populating series data

 

series.DataPoints.AddDataPointForBarSeries(fact.GetCell(defaultWorksheetIndex, 1, 1, 20));

series.DataPoints.AddDataPointForBarSeries(fact.GetCell(defaultWorksheetIndex, 2, 1, 50));

series.DataPoints.AddDataPointForBarSeries(fact.GetCell(defaultWorksheetIndex, 3, 1, 30));

 

//Setting fill color for series

series.Format.Fill.FillType = FillType.Solid;

series.Format.Fill.SolidFillColor.Color = Color.Red;

 

//Take second chart series

series = chart.ChartData.Series[1];

 

//Now populating series data

series.DataPoints.AddDataPointForBarSeries(fact.GetCell(defaultWorksheetIndex, 1, 2, 30));

series.DataPoints.AddDataPointForBarSeries(fact.GetCell(defaultWorksheetIndex, 2, 2, 10));

series.DataPoints.AddDataPointForBarSeries(fact.GetCell(defaultWorksheetIndex, 3, 2, 60));

 

//Setting fill color for series

series.Format.Fill.FillType = FillType.Solid;

series.Format.Fill.SolidFillColor.Color = Color.Green;

 

//create custom labels for each of categories for new series

 

//first label will be show Category name

IDataLabel lbl = series.DataPoints[0].Label;

lbl.DataLabelFormat.ShowCategoryName = true;

 

lbl = series.DataPoints[1].Label;

lbl.DataLabelFormat.ShowSeriesName = true;

 

//Show value for third label

lbl = series.DataPoints[2].Label;

lbl.DataLabelFormat.ShowValue = true;

lbl.DataLabelFormat.ShowSeriesName = true;

lbl.DataLabelFormat.Separator = "/";

 

//Save presentation with chart

pres.Save("AsposeChart.pptx", SaveFormat.Pptx);