在Java应用程序中动态地在Excel报表中包含仪表图,可以通过使用Apache POI库来实现。Apache POI是一个用于操作Microsoft Office格式文件的Java库,包括Excel文件。
下面是实现的步骤:
<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("报表");
Drawing<?> drawing = sheet.createDrawingPatriarch();
ClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, 0, 5, 10, 15);
Chart chart = drawing.createChart(anchor);
ChartDataSource<Number> xs = DataSources.fromNumericCellRange(sheet, new CellRangeAddress(0, 0, 0, 4));
ChartDataSource<Number> ys = DataSources.fromNumericCellRange(sheet, new CellRangeAddress(1, 1, 0, 4));
LineChartData data = chart.getChartDataFactory().createLineChartData();
data.addSeries(xs, ys);
chart.plot(data);
sheet.addChart(chart);
FileOutputStream fileOut = new FileOutputStream("报表.xlsx");
workbook.write(fileOut);
fileOut.close();
这样,就可以在Java应用程序中动态地在Excel报表中包含仪表图了。
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