翻譯|使用教程|編輯:李顯亮|2021-07-30 10:14:23.130|閱讀 372 次
概述:圖表用于總結和直觀地表示演示文稿中的數據。為了可視化數據,MS PowerPoint 提供了多種圖表類型。在本文中,將學習如何使用 Java 在 PowerPoint 演示文稿中創建圖表。
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圖表用于總結和直觀地表示演示文稿中的數據。為了可視化數據,MS PowerPoint 提供了多種圖表類型。其中,最常用的圖表類型包括餅圖、折線圖、條形圖、直方圖、股票圖等。在本文中,將學習如何使用 Java 在 PowerPoint 演示文稿中創建圖表。
為了將 PowerPoint PPT 文件轉換為 PPTX,我們將使用Aspose.Slides for Java,它允許從 Java 應用程序中創建和操作 PowerPoint 演示文稿。此外,它允許您無縫地創建圖表并將其添加到演示文稿中。
>>你可以點擊這里下載Aspose.Slides 最新版測試體驗。
以下是使用 Java 在 PowerPoint 演示文稿中創建柱狀圖的步驟。
為了演示,以下代碼示例展示了如何使用 Java 在 PowerPoint 演示文稿中創建柱形圖。
// Create a new presentation Presentation pres = new Presentation(); try { // Add a new column chart and clear the default categories and series IChart ch = pres.getSlides().get_Item(0).getShapes().addChart(ChartType.ClusteredColumn, 100, 100, 600, 450); ch.getChartData().getSeries().clear(); ch.getChartData().getCategories().clear(); // Access the chart data IChartDataWorkbook fact = ch.getChartData().getChartDataWorkbook(); fact.clear(0); int defaultWorksheetIndex = 0; // Add categories IChartCategory category = ch.getChartData().getCategories().add(fact.getCell(0, "c2", "A")); category.getGroupingLevels().setGroupingItem(1, "Group1"); category = ch.getChartData().getCategories().add(fact.getCell(0, "c3", "B")); category = ch.getChartData().getCategories().add(fact.getCell(0, "c4", "C")); category.getGroupingLevels().setGroupingItem(1, "Group2"); category = ch.getChartData().getCategories().add(fact.getCell(0, "c5", "D")); category = ch.getChartData().getCategories().add(fact.getCell(0, "c6", "E")); category.getGroupingLevels().setGroupingItem(1, "Group3"); category = ch.getChartData().getCategories().add(fact.getCell(0, "c7", "F")); category = ch.getChartData().getCategories().add(fact.getCell(0, "c8", "G")); category.getGroupingLevels().setGroupingItem(1, "Group4"); category = ch.getChartData().getCategories().add(fact.getCell(0, "c9", "H")); // Add Series IChartSeries series = ch.getChartData().getSeries().add(fact.getCell(0, "D1", "Series 1"), ChartType.ClusteredColumn); series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, "D2", 10)); series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, "D3", 20)); series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, "D4", 30)); series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, "D5", 40)); series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, "D6", 50)); series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, "D7", 60)); series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, "D8", 70)); series.getDataPoints().addDataPointForBarSeries(fact.getCell(defaultWorksheetIndex, "D9", 80)); // Save presentation with chart pres.save("column-chart.pptx", SaveFormat.Pptx); } finally { if (pres != null) pres.dispose(); }
以下是使用 Java 在 PowerPoint 演示文稿中創建散點圖的步驟。
以下代碼示例展示了如何使用 Java 在 PowerPoint 演示文稿中創建散點圖。
// Instantiate Presentation class that represents PPTX file Presentation pres = new Presentation(); try { // Access first slide ISlide slide = pres.getSlides().get_Item(0); // Create the default chart IChart chart = slide.getShapes().addChart(ChartType.ScatterWithSmoothLines, 0, 0, 400, 400); // Get the default chart data worksheet index int defaultWorksheetIndex = 0; // Get the chart data worksheet IChartDataWorkbook fact = chart.getChartData().getChartDataWorkbook(); // Delete demo series chart.getChartData().getSeries().clear(); // Add new series chart.getChartData().getSeries().add(fact.getCell(defaultWorksheetIndex, 1, 1, "Series 1"), chart.getType()); chart.getChartData().getSeries().add(fact.getCell(defaultWorksheetIndex, 1, 3, "Series 2"), chart.getType()); // Take first chart series IChartSeries series = chart.getChartData().getSeries().get_Item(0); // Add new point (1:3) there. series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 2, 1, 1), fact.getCell(defaultWorksheetIndex, 2, 2, 3)); // Add new point (2:10) series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 3, 1, 2), fact.getCell(defaultWorksheetIndex, 3, 2, 10)); // Edit the type of series series.setType(ChartType.ScatterWithStraightLinesAndMarkers); // Change the chart series marker series.getMarker().setSize(10); series.getMarker().setSymbol(MarkerStyleType.Star); // Take second chart series series = chart.getChartData().getSeries().get_Item(1); // Add new point (5:2) there. series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 2, 3, 5), fact.getCell(defaultWorksheetIndex, 2, 4, 2)); // Add new point (3:1) series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 3, 3, 3), fact.getCell(defaultWorksheetIndex, 3, 4, 1)); // Add new point (2:2) series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 4, 3, 2), fact.getCell(defaultWorksheetIndex, 4, 4, 2)); // Add new point (5:1) series.getDataPoints().addDataPointForScatterSeries(fact.getCell(defaultWorksheetIndex, 5, 3, 5), fact.getCell(defaultWorksheetIndex, 5, 4, 1)); // Change the chart series marker series.getMarker().setSize(10); series.getMarker().setSymbol(MarkerStyleType.Circle); // Save the presentation pres.save("scatter-chart.pptx", SaveFormat.Pptx); } finally { if (pres != null) pres.dispose(); }
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