Apache POI是一个用于操作Microsoft Office文档的Java库。它提供了创建、读取和修改各种Office文件格式的功能,包括Excel文件。
要使用Apache POI创建包含两个CategoryAxis的LineChart,可以按照以下步骤进行操作:
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.1.2</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>4.1.2</version>
</dependency>
Workbook workbook = new XSSFWorkbook();
Sheet sheet = workbook.createSheet("Chart");
Drawing<?> drawing = sheet.createDrawingPatriarch();
ClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, 0, 5, 10, 15);
Chart chart = drawing.createChart(anchor);
ChartAxis bottomAxis = chart.getChartAxisFactory().createCategoryAxis(AxisPosition.BOTTOM);
ChartAxis topAxis = chart.getChartAxisFactory().createCategoryAxis(AxisPosition.TOP);
bottomAxis.setCrosses(AxisCrosses.AUTO_ZERO);
bottomAxis.setMajorTickMark(AxisTickMark.CROSS);
bottomAxis.setMinorTickMark(AxisTickMark.OUT);
bottomAxis.setOrientation(AxisOrientation.MIN_MAX);
bottomAxis.setTitle("Bottom Axis");
topAxis.setCrosses(AxisCrosses.AUTO_ZERO);
topAxis.setMajorTickMark(AxisTickMark.CROSS);
topAxis.setMinorTickMark(AxisTickMark.OUT);
topAxis.setOrientation(AxisOrientation.MIN_MAX);
topAxis.setTitle("Top Axis");
LineChartData data = chart.getChartDataFactory().createLineChartData();
data.setCategoryAxis(bottomAxis);
data.addAxis(topAxis);
chart.plot(data);
FileOutputStream fileOut = new FileOutputStream("chart.xlsx");
workbook.write(fileOut);
fileOut.close();
以上代码演示了如何使用Apache POI创建包含两个CategoryAxis的LineChart。你可以根据自己的需求进行修改和扩展。另外,腾讯云并没有提供直接相关的产品和产品介绍链接地址,因此无法提供相关推荐。
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