Excel ワークシートで新しい LineChart を作成しようとしていますが、このグラフでデータをどのように感じ、各シリーズに値を追加する方法がわかりません。以下は私がやろうとしていることです:
static void Main(string[] args)
{
string docName = @"myFile.xlsx";
string worksheetName = "Sheet1";
string title = "My Chart";
InsertChartInSpreadsheet(docName, worksheetName, title);
}
private static void InsertChartInSpreadsheet(string docName, string worksheetName, string title)
{
// Open Document for editing
using (SpreadsheetDocument document = SpreadsheetDocument.Open(docName, true))
{
IEnumerable<Sheet> sheets = document.WorkbookPart.Workbook.Descendants<Sheet>().
Where(s => s.Name == worksheetName);
if (sheets.Count() == 0)
{
// The specified worksheet does not exist.
return;
}
WorksheetPart worksheetPart = (WorksheetPart)document.WorkbookPart.GetPartById(sheets.First().Id);
// Add a new drawing to the worksheet.
DrawingsPart drawingsPart = worksheetPart.AddNewPart<DrawingsPart>();
worksheetPart.Worksheet.Append(new DocumentFormat.OpenXml.Spreadsheet.Drawing() { Id = worksheetPart.GetIdOfPart(drawingsPart) });
worksheetPart.Worksheet.Save();
// Add a new chart and set the chart language to English-US.
ChartPart chartPart = drawingsPart.AddNewPart<ChartPart>();
chartPart.ChartSpace = new ChartSpace();
chartPart.ChartSpace.Append(new EditingLanguage() { Val = new StringValue("en-US") });
DocumentFormat.OpenXml.Drawing.Charts.Chart chart = chartPart.ChartSpace.AppendChild<DocumentFormat.OpenXml.Drawing.Charts.Chart>(
new DocumentFormat.OpenXml.Drawing.Charts.Chart());
// Create a new clustered column chart.
PlotArea plotArea = chart.AppendChild<PlotArea>(new PlotArea());
Layout layout = plotArea.AppendChild<Layout>(new Layout());
uint i = 0;
LineChart lineChart = plotArea.AppendChild<LineChart>(new LineChart());
LineChartSeries[] series = new LineChartSeries() {} ;
uint j ;
// add series to the lineChart
for (LineChartSeries s in series) {
s = lineChart.AppendChild<LineChartSeries>(new LineChartSeries());
s.SeriesText = new SeriesText(new NumericValue() { Text = "Ser "+j } );
series1.Index = new Index() { Val = new UInt32Value(j) };
series1.Order = new Order() { Val = new UInt32Value(j) } ;
j++;
}
i = 1;
/***
Here is my question , how can i add values to my chart
Example data:
Ser1 Ser2 Ser3 Ser4
2010 5 6 12 41
2011 65 1 31 43
2012 75 8 64 40
2013 12 31 47 66
***/
// Save the chart part.
chartPart.ChartSpace.Save();
/* Here i'll add the position of the chart on the worksheet */
// Save the WorksheetDrawing object.
drawingsPart.WorksheetDrawing.Save();
}
}
上記のコードでは、チャートで感じたいデータの例を示しました。
Ser1 Ser2 Ser3 Ser4
2010 5 6 12 41
2011 65 1 31 43
2012 75 8 64 40
2013 12 31 47 66
私は C# と OpenXml の初心者です。助けてください :-) ありがとうございます。