我正在尝试运行Apache Poi提供的BarChart示例，以使用示例类创建XSSFWorkbook。
我的maven构建中具有poi-ooxml版本4.1.0，并且正在使用Eclipse作为我的IDE。
我已经阅读了一些帖子，但是大多数帖子与关闭工作簿和关闭输出流的顺序有关，但这不是我的问题。它在实际的workbook.write（）命令上失败。我似乎无法弄清楚为什么会这样？
我还阅读了有关丢失jar文件的一些信息，但是我正在使用maven依赖项，所以我不知道这怎么可能。
任何帮助将不胜感激。
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import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xddf.usermodel.PresetColor;
import org.apache.poi.xddf.usermodel.XDDFColor;
import org.apache.poi.xddf.usermodel.XDDFShapeProperties;
import org.apache.poi.xddf.usermodel.XDDFSolidFillProperties;
import org.apache.poi.xddf.usermodel.chart.AxisCrosses;
import org.apache.poi.xddf.usermodel.chart.AxisPosition;
import org.apache.poi.xddf.usermodel.chart.BarDirection;
import org.apache.poi.xddf.usermodel.chart.ChartTypes;
import org.apache.poi.xddf.usermodel.chart.LegendPosition;
import org.apache.poi.xddf.usermodel.chart.XDDFBarChartData;
import org.apache.poi.xddf.usermodel.chart.XDDFCategoryAxis;
import org.apache.poi.xddf.usermodel.chart.XDDFChartData;
import org.apache.poi.xddf.usermodel.chart.XDDFChartLegend;
import org.apache.poi.xddf.usermodel.chart.XDDFDataSource;
import org.apache.poi.xddf.usermodel.chart.XDDFDataSourcesFactory;
import org.apache.poi.xddf.usermodel.chart.XDDFNumericalDataSource;
import org.apache.poi.xddf.usermodel.chart.XDDFValueAxis;
import org.apache.poi.xssf.usermodel.XSSFChart;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFDrawing;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
/**
* Line chart example.
*/
public class BarChart {
public static void main(String[] args) throws IOException {
try (XSSFWorkbook wb = new XSSFWorkbook()) {
XSSFSheet sheet = wb.createSheet("barchart");
final int NUM_OF_ROWS = 3;
final int NUM_OF_COLUMNS = 10;
// Create a row and put some cells in it. Rows are 0 based.
Row row;
Cell cell;
for (int rowIndex = 0; rowIndex < NUM_OF_ROWS; rowIndex++) {
row = sheet.createRow((short) rowIndex);
for (int colIndex = 0; colIndex < NUM_OF_COLUMNS; colIndex++) {
cell = row.createCell((short) colIndex);
cell.setCellValue(colIndex * (rowIndex + 1.0));
}
}
XSSFDrawing drawing = sheet.createDrawingPatriarch();
XSSFClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, 0, 5, 10, 15);
XSSFChart chart = drawing.createChart(anchor);
chart.setTitleText("x = 2x and x = 3x");
chart.setTitleOverlay(false);
XDDFChartLegend legend = chart.getOrAddLegend();
legend.setPosition(LegendPosition.TOP_RIGHT);
// Use a category axis for the bottom axis.
XDDFCategoryAxis bottomAxis = chart.createCategoryAxis(AxisPosition.BOTTOM);
bottomAxis.setTitle("x"); // https://stackoverflow.com/questions/32010765
XDDFValueAxis leftAxis = chart.createValueAxis(AxisPosition.LEFT);
leftAxis.setTitle("f(x)");
leftAxis.setCrosses(AxisCrosses.AUTO_ZERO);
XDDFDataSource<Double> xs = XDDFDataSourcesFactory.fromNumericCellRange(sheet, new CellRangeAddress(0, 0, 0, NUM_OF_COLUMNS - 1));
XDDFNumericalDataSource<Double> ys1 = XDDFDataSourcesFactory.fromNumericCellRange(sheet, new CellRangeAddress(1, 1, 0, NUM_OF_COLUMNS - 1));
XDDFNumericalDataSource<Double> ys2 = XDDFDataSourcesFactory.fromNumericCellRange(sheet, new CellRangeAddress(2, 2, 0, NUM_OF_COLUMNS - 1));
XDDFChartData data = chart.createData(ChartTypes.BAR, bottomAxis, leftAxis);
XDDFChartData.Series series1 = data.addSeries(xs, ys1);
series1.setTitle("2x", null); // https://stackoverflow.com/questions/21855842
XDDFChartData.Series series2 = data.addSeries(xs, ys2);
series2.setTitle("3x", null);
chart.plot(data);
// in order to transform a bar chart into a column chart, you just need to change the bar direction
XDDFBarChartData bar = (XDDFBarChartData) data;
bar.setBarDirection(BarDirection.COL);
// looking for "Stacked Bar Chart"? uncomment the following line
// bar.setBarGrouping(BarGrouping.STACKED);
solidFillSeries(data, 0, PresetColor.CHARTREUSE);
solidFillSeries(data, 1, PresetColor.TURQUOISE);
// Write the output to a file
try (FileOutputStream fileOut = new FileOutputStream("ooxml-bar-chart.xlsx")) {
wb.write(fileOut);
}
}
}
private static void solidFillSeries(XDDFChartData data, int index, PresetColor color) {
XDDFSolidFillProperties fill = new XDDFSolidFillProperties(XDDFColor.from(color));
XDDFChartData.Series series = data.getSeries().get(index);
XDDFShapeProperties properties = series.getShapeProperties();
if (properties == null) {
properties = new XDDFShapeProperties();
}
properties.setFillProperties(fill);
series.setShapeProperties(properties);
}
}
但是，当尝试运行代码时，出现此异常：
Exception in thread "main" java.lang.AbstractMethodError: gnu.xml.dom.DomDocument.getXmlStandalone()Z
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.setDocumentInfo(DOM2TO.java:377)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:131)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:98)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(TransformerImpl.java:693)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:737)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:351)
at org.apache.poi.openxml4j.opc.StreamHelper.saveXmlInStream(StreamHelper.java:84)
at org.apache.poi.openxml4j.opc.internal.ZipContentTypeManager.saveImpl(ZipContentTypeManager.java:69)
at org.apache.poi.openxml4j.opc.internal.ContentTypeManager.save(ContentTypeManager.java:452)
at org.apache.poi.openxml4j.opc.ZipPackage.saveImpl(ZipPackage.java:524)
at org.apache.poi.openxml4j.opc.OPCPackage.save(OPCPackage.java:1488)
at org.apache.poi.ooxml.POIXMLDocument.write(POIXMLDocument.java:242)
at com.tapestry.tcot.BarChart.main(BarChart.java:108)
Suppressed: java.lang.AbstractMethodError: gnu.xml.dom.DomDocument.getXmlStandalone()Z
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.setDocumentInfo(DOM2TO.java:377)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:131)
at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:98)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(TransformerImpl.java:693)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:737)
at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:351)
at org.apache.poi.openxml4j.opc.StreamHelper.saveXmlInStream(StreamHelper.java:84)
at org.apache.poi.openxml4j.opc.internal.ZipContentTypeManager.saveImpl(ZipContentTypeManager.java:69)
at org.apache.poi.openxml4j.opc.internal.ContentTypeManager.save(ContentTypeManager.java:452)
at org.apache.poi.openxml4j.opc.ZipPackage.saveImpl(ZipPackage.java:524)
at org.apache.poi.openxml4j.opc.OPCPackage.save(OPCPackage.java:1488)
at org.apache.poi.openxml4j.opc.OPCPackage.close(OPCPackage.java:454)
at org.apache.poi.ooxml.POIXMLDocument.close(POIXMLDocument.java:204)
at org.apache.poi.xssf.usermodel.XSSFWorkbook.close(XSSFWorkbook.java:586)
at com.tapestry.tcot.BarChart.main(BarChart.java:110)