public static void main(String[] args) throws IOException {
JFreeChart chart =
ChartFactory.createBarChart3D(
"图书销量统计图",
"图书", // 目录轴的显示标签
"销量", // 数值轴的显示标签
getDataSet(),
PlotOrientation.VERTICAL, // 设置图表方向
false,
false,
false);
// 设置标题
chart.setTitle(new TextTitle("图书销量统计图", new Font("黑体", Font.ITALIC, 22)));
// 设置图表部分
CategoryPlot plot = (CategoryPlot) chart.getPlot();
CategoryAxis categoryAxis = plot.getDomainAxis(); // 取得横轴
categoryAxis.setLabelFont(new Font("宋体", Font.BOLD, 22)); // 设置横轴显示标签的字体
categoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 分类标签以４５度倾斜
categoryAxis.setTickLabelFont(new Font("宋体", Font.BOLD, 18)); // 分类标签字体
NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis(); // 取得纵轴
numberAxis.setLabelFont(new Font("宋体", Font.BOLD, 42)); // 设置纵轴显示标签字体
FileOutputStream fos = null;
fos = new FileOutputStream("book1.jpg");
ChartUtilities.writeChartAsJPEG(fos, 1, chart, 800, 600, null);
fos.close();
}
@Override
public JFreeChart createChart(FacesContext context) {
JFreeChart chart;
if (!getIs3D()) {
chart =
ChartFactory.createBarChart(
getTitle(),
getDomainAxisLabel(),
getRangeAxisLabel(),
(CategoryDataset) dataset,
plotOrientation(getOrientation()),
getLegend(),
false,
false);
} else {
chart =
ChartFactory.createBarChart3D(
getTitle(),
getDomainAxisLabel(),
getRangeAxisLabel(),
(CategoryDataset) dataset,
plotOrientation(getOrientation()),
getLegend(),
false,
false);
}
configureTitle(chart.getTitle());
configureLegend(chart.getLegend());
return chart;
}
/**
* Erstellt ein Stabdiagramm aus den Parametern.
*
* @param dataset Datenset
* @param titel Titel
* @return {@link JFreeChart}
*/
protected JFreeChart erstelleDiagramm(
CategoryDataset dataset,
String titel,
String reihenBeschriftung,
String spaltenBeschriftung) {
// create the chart...
JFreeChart chart =
ChartFactory.createBarChart3D(
titel,
reihenBeschriftung,
spaltenBeschriftung,
dataset,
PlotOrientation.VERTICAL,
true,
true,
false);
TextTitle t = chart.getTitle();
t.setHorizontalAlignment(HorizontalAlignment.CENTER);
t.setFont(new Font("Arial", Font.CENTER_BASELINE, 26));
chart.setBackgroundPaint(Color.white);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
BarRenderer renderer = (BarRenderer) plot.getRenderer();
renderer.setDrawBarOutline(false);
for (int i = 0; i < parteienListe.size(); i++) {
if (parteienListe.get(i).getFarbe() != null) {
GradientPaint gp =
new GradientPaint(
0.0f,
0.0f,
parteienListe.get(i).getFarbe(),
0.0f,
0.0f,
new Color(parteienListe.get(i).getFarbe().getRGB()));
renderer.setSeriesPaint(i, gp);
}
}
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setCategoryLabelPositions(
CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));
return chart;
}
private JFreeChart createChart(CategoryDataset dataset) {
JFreeChart chart =
ChartFactory.createBarChart3D(
"", // Título
"Planejamento", // Label X
"Valores", // Label Y
dataset, // Dados
PlotOrientation.VERTICAL, // Orientação
true, // Legenda
false, // Tooltips
false // urls
);
chart.setBackgroundPaint(new Color(255, 255, 255));
CategoryPlot plot = chart.getCategoryPlot();
plot.setForegroundAlpha(0.6f);
return chart;
}
/**
* Create a horizontal bar chart with sample data in the range -3 to +3.
*
* @return the chart.
*/
private static JFreeChart createBarChart3D() {
// create a dataset...
Number[][] data =
new Integer[][] {
{new Integer(-3), new Integer(-2)},
{new Integer(-1), new Integer(1)},
{new Integer(2), new Integer(3)}
};
CategoryDataset dataset = DatasetUtilities.createCategoryDataset("S", "C", data);
// create the chart...
return ChartFactory.createBarChart3D(
"Bar Chart 3D",
"Domain",
"Range",
dataset,
PlotOrientation.HORIZONTAL,
true, // include legend
true,
false);
}
public JFreeChart getChart() {
JFreeChart chart = null;
try {
Font font = new Font("宋体", 0, 20); // 字体
QuestionStatisticsModel qsm = ss.statistics(qid);
DefaultPieDataset pieds = null; // 饼图的数据集
DefaultCategoryDataset cateds = null; // 种类数据集
if (chartType < 2) {
pieds = new DefaultPieDataset();
for (OptionStatisticsModel os : qsm.getOsms()) {
pieds.setValue(os.getOptionLabel(), os.getCount());
}
} else {
cateds = new DefaultCategoryDataset();
for (OptionStatisticsModel os : qsm.getOsms()) {
cateds.setValue(os.getCount(), os.getOptionLabel(), "");
}
}
switch (chartType) {
case CHARTTYPE_PIE_2D:
chart =
ChartFactory.createPieChart(qsm.getQuestion().getTitle(), pieds, true, false, false);
break;
case CHARTTYPE_PIE_3D:
chart =
ChartFactory.createPieChart3D(qsm.getQuestion().getTitle(), pieds, true, true, true);
// 设置前景色透明度
chart.getPlot().setForegroundAlpha(0.6f);
break;
case CHARTTYPE_BAR_2D_H: // 平面条形图
chart =
ChartFactory.createBarChart(
qsm.getQuestion().getTitle(),
"",
"",
cateds,
PlotOrientation.HORIZONTAL,
true,
true,
true);
break;
case CHARTTYPE_BAR_2D_V: // 平面条形图
chart =
ChartFactory.createBarChart(
qsm.getQuestion().getTitle(),
"",
"",
cateds,
PlotOrientation.VERTICAL,
true,
true,
true);
case CHARTTYPE_BAR_3D_H: // 平面条形图
chart =
ChartFactory.createBarChart3D(
qsm.getQuestion().getTitle(),
"",
"",
cateds,
PlotOrientation.HORIZONTAL,
true,
true,
true);
case CHARTTYPE_BAR_3D_V: // 平面条形图
chart =
ChartFactory.createBarChart3D(
qsm.getQuestion().getTitle(),
"",
"",
cateds,
PlotOrientation.VERTICAL,
true,
true,
true);
break;
//
case CHARTTYPE_LINE_2D: // 平面条形图
chart =
ChartFactory.createLineChart(
qsm.getQuestion().getTitle(),
"",
"",
cateds,
PlotOrientation.VERTICAL,
true,
true,
true);
break;
case CHARTTYPE_LINE_3D: // 平面条形图
chart =
ChartFactory.createLineChart3D(
qsm.getQuestion().getTitle(),
"",
"",
cateds,
PlotOrientation.HORIZONTAL,
true,
true,
true);
break;
}
chart.getTitle().setFont(font);
chart.getLegend().setItemFont(font);
// 设置饼图特效
if (chart.getPlot() instanceof PiePlot) {
PiePlot pieplot = (PiePlot) chart.getPlot();
pieplot.setLabelFont(font);
pieplot.setExplodePercent(0, 0.1);
pieplot.setStartAngle(-15);
pieplot.setDirection(Rotation.CLOCKWISE);
pieplot.setNoDataMessage("No data to display");
// pieplot.setForegroundAlpha(0.5f);
// pieplot.setBackgroundImageAlpha(0.3f);
}
// 设置非饼图效果
else {
chart.getCategoryPlot().getRangeAxis().setLabelFont(font);
chart.getCategoryPlot().getRangeAxis().setTickLabelFont(font);
chart.getCategoryPlot().getDomainAxis().setLabelFont(font);
chart.getCategoryPlot().getDomainAxis().setTickLabelFont(font);
}
} catch (Exception e) {
e.printStackTrace();
}
return chart;
}
/** JFreeChartオブジェクトを作成する */
private JFreeChart createChartObject(Document doc) {
Element root = doc.getDocumentElement();
Element chartInfo = (Element) root.getElementsByTagName("ChartInfo").item(0);
String chartTitle =
chartInfo.getElementsByTagName("Title").item(0).getFirstChild().getNodeValue();
this.chartType = chartInfo.getElementsByTagName("Type").item(0).getFirstChild().getNodeValue();
String categoryLabel =
((Element) chartInfo.getElementsByTagName("Category").item(0))
.getElementsByTagName("Label")
.item(0)
.getFirstChild()
.getNodeValue();
Element firstSeries =
(Element)
((Element) chartInfo.getElementsByTagName("SeriesList").item(0))
.getElementsByTagName("Series")
.item(0);
String firstSeriesLabel =
firstSeries.getElementsByTagName("Label").item(0).getFirstChild().getNodeValue();
// データセットのリストを取得
this.dataSetList = this.getDatasetList(doc);
// 棒チャート(Series数に関わらない)
if (this.chartType.equals("VerticalBar")
|| this.chartType.equals("HorizontalBar")
|| this.chartType.equals("VerticalMultiBar")
|| this.chartType.equals("HorizontalMultiBar")) {
chart =
ChartFactory.createBarChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
getLayoutFromDoc(doc),
false,
false,
false);
}
// 3D棒チャート(Series数に関わらない)
else if (this.chartType.equals("Vertical3D_Bar")
|| this.chartType.equals("Horizontal3D_Bar")
|| this.chartType.equals("VerticalMulti3D_Bar")
|| this.chartType.equals("HorizontalMulti3D_Bar")) {
chart =
ChartFactory.createBarChart3D(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
getLayoutFromDoc(doc),
false,
false,
false);
}
// 積み上げ棒チャート
else if ((this.chartType.equals("VerticalStackedBar"))
|| (this.chartType.equals("HorizontalStackedBar"))) {
chart =
ChartFactory.createStackedBarChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
getLayoutFromDoc(doc),
false,
false,
false);
}
// 3D積み上げ棒チャート
else if ((this.chartType.equals("VerticalStacked3D_Bar"))
|| (this.chartType.equals("HorizontalStacked3D_Bar"))) {
chart =
ChartFactory.createStackedBarChart3D(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
getLayoutFromDoc(doc),
false,
false,
false);
}
// 折れ線チャート(Series数に関わらない)
else if ((this.chartType.equals("Line")) || (this.chartType.equals("MultiLine"))) {
chart =
ChartFactory.createLineChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
PlotOrientation.VERTICAL,
false,
false,
false);
}
// 面チャート(Series数に関わらない)
else if ((this.chartType.equals("Area")) || (this.chartType.equals("MultiArea"))) {
chart =
ChartFactory.createAreaChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
PlotOrientation.VERTICAL,
false,
false,
false);
}
// 積み上げ面チャート
else if (this.chartType.equals("StackedArea")) {
chart =
ChartFactory.createStackedAreaChart(
chartTitle,
categoryLabel,
firstSeriesLabel,
(CategoryDataset) this.dataSetList.get(0),
PlotOrientation.VERTICAL,
false,
false,
false);
}
// 円チャート(Series数に関わらない)
else if (this.chartType.equals("Pie")) {
chart =
ChartFactory.createPieChart(
chartTitle, (PieDataset) this.dataSetList.get(0), false, false, false);
}
// 3D円チャート(Series数に関わらない)
else if (this.chartType.equals("Pie_3D")) {
chart =
ChartFactory.createPieChart3D(
chartTitle, (PieDataset) this.dataSetList.get(0), false, false, false);
}
// 複数円チャート(Series数が２以上)
else if (this.chartType.equals("MultiPie")) {
// 複数円チャート
chart =
ChartFactory.createMultiplePieChart(
chartTitle,
(CategoryDataset) this.dataSetList.get(0),
TableOrder.BY_ROW,
false,
false,
false);
}
return chart;
}
public JFreeChart getChart(CategoryDataset dataset) {
// create the chart...
final JFreeChart chart =
ChartFactory.createBarChart3D(
"Загрузка данных", // chart title
"Дата", // domain axis label
"Значение (кб.)", // range axis label
dataset, // data
PlotOrientation.VERTICAL, // orientation
true, // include legend
true, // tooltips?
false // URLs?
);
// #44639C;
TextTitle title = new TextTitle("Динамика загрузки данных", labelFont);
// Paint paint = title.getPaint();
title.setPaint(new Color(68, 99, 156));
chart.setTitle(title);
// NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
// set the background color for the chart...
chart.setBackgroundPaint(Color.white);
// get a reference to the plot for further customisation...
final CategoryPlot plot = chart.getCategoryPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
// final IntervalMarker target = new IntervalMarker(2000000, 3000000);
// target.setLabel("Ожидаемый диапазон");
// target.setLabelFont(new Font("SansSerif", Font.ITALIC, 11));
// target.setLabelAnchor(RectangleAnchor.LEFT);
// target.setLabelTextAnchor(TextAnchor.CENTER_LEFT);
// target.setPaint(new Color(222, 222, 255, 128));
// plot.addRangeMarker(target, Layer.BACKGROUND);
// set the range axis to display integers only...
final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
rangeAxis.setTickLabelFont(labelFont);
// disable bar outlines...
final BarRenderer renderer = (BarRenderer) plot.getRenderer();
renderer.setDrawBarOutline(false);
renderer.setItemMargin(0.10);
// set up gradient paints for series...
final GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, Color.blue);
final GradientPaint gp1 =
new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, Color.lightGray);
final GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, Color.lightGray);
renderer.setSeriesPaint(0, gp0);
renderer.setSeriesPaint(1, gp1);
renderer.setSeriesPaint(2, gp2);
final CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setCategoryLabelPositions(
CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 4.0)
// CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0)
);
// OPTIONAL CUSTOMISATION COMPLETED.
return chart;
}
public static String getBarSeries(Map dataSource, String objectName, HttpSession session)
throws Exception {
DefaultKeyedValues barValues = new DefaultKeyedValues();
DefaultKeyedValues seriesValues = new DefaultKeyedValues();
Element chartObject =
XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);
Element barField = chartObject.getChild("BarFields").getChild("Field");
Element seriesField = chartObject.getChild("SeriesFields").getChild("Field");
for (int i = 0; i < dataSource.size(); i++) {
Map rec = (Map) dataSource.get("ROW" + i);
barValues.addValue(
DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
Double.parseDouble(rec.get(barField.getAttributeValue("name")).toString()));
seriesValues.addValue(
DataFilter.show(rec, chartObject.getChildText("ColumnLabel")),
Double.parseDouble(rec.get(seriesField.getAttributeValue("name")).toString()));
}
CategoryDataset dataset =
DatasetUtilities.createCategoryDataset(barField.getAttributeValue("label"), barValues);
PlotOrientation plotOrientation =
chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
? PlotOrientation.VERTICAL
: PlotOrientation.HORIZONTAL;
JFreeChart chart =
ChartFactory.createBarChart3D(
chartObject.getAttributeValue("title"),
chartObject.getAttributeValue("categoryAxisLabel"),
chartObject.getAttributeValue("valueAxisLabel"),
dataset,
plotOrientation,
chartObject.getAttribute("showLegend").getBooleanValue(),
chartObject.getAttribute("showToolTips").getBooleanValue(),
chartObject.getAttribute("urls").getBooleanValue());
CategoryPlot categoryplot = chart.getCategoryPlot();
LineRenderer3D lineRenderer = new LineRenderer3D();
CategoryDataset datasetSeries =
DatasetUtilities.createCategoryDataset(
seriesField.getAttributeValue("label"), seriesValues);
categoryplot.setDataset(1, datasetSeries);
categoryplot.setRangeAxis(1, new NumberAxis3D(seriesField.getAttributeValue("label")));
categoryplot.setRenderer(1, lineRenderer);
categoryplot.mapDatasetToRangeAxis(1, 1);
BarRenderer3D barrenderer = (BarRenderer3D) categoryplot.getRenderer();
barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
barrenderer.setItemLabelsVisible(true);
barrenderer.setPositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));
// lineRenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
// lineRenderer.setItemLabelsVisible(true);
// lineRenderer.setPositiveItemLabelPosition(
// new ItemLabelPosition(ItemLabelAnchor.OUTSIDE10, TextAnchor.CENTER));
float alpha = 0.7F;
if (chartObject.getAttribute("alpha") != null) {
alpha = chartObject.getAttribute("alpha").getFloatValue();
}
categoryplot.setForegroundAlpha(alpha);
int width, height;
if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
width = (50 * dataSource.size()) + 100;
} else {
width = Integer.parseInt(chartObject.getAttributeValue("width"));
}
if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
height = (50 * dataSource.size()) + 100;
} else {
height = Integer.parseInt(chartObject.getAttributeValue("height"));
}
return ServletUtilities.saveChartAsPNG(chart, width, height, session);
}
public static String getSimpleBarChart(Map dataSource, String objectName, HttpSession session)
throws Throwable {
Element chartObject =
XMLHandler.getElementByAttribute(getChartObjectList(), "name", objectName);
List invokeFields = chartObject.getChild("InvokeFields").getChildren("Field");
double[][] data = new double[invokeFields.size()][dataSource.size()];
String[] rowKeys = new String[invokeFields.size()];
String[] columnKeys = new String[dataSource.size()];
String columnLabel = chartObject.getChildText("ColumnLabel");
for (int i = 0; i < dataSource.size(); i++) {
Map rec = (Map) dataSource.get("ROW" + i);
columnKeys[i] = DataFilter.show(rec, columnLabel);
for (int j = 0; j < invokeFields.size(); j++) {
data[j][i] =
Double.parseDouble(
rec.get(((Element) invokeFields.get(j)).getAttributeValue("name")).toString());
}
}
for (int i = 0; i < invokeFields.size(); i++) {
rowKeys[i] = ((Element) invokeFields.get(i)).getAttributeValue("label");
}
CategoryDataset dataset = DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data);
PlotOrientation plotOrientation =
chartObject.getAttributeValue("plotOrientation").equalsIgnoreCase("VERTICAL")
? PlotOrientation.VERTICAL
: PlotOrientation.HORIZONTAL;
JFreeChart chart =
ChartFactory.createBarChart3D(
chartObject.getAttributeValue("title"),
chartObject.getAttributeValue("categoryAxisLabel"),
chartObject.getAttributeValue("valueAxisLabel"),
dataset,
plotOrientation,
chartObject.getAttribute("showLegend").getBooleanValue(),
chartObject.getAttribute("showToolTips").getBooleanValue(),
chartObject.getAttribute("urls").getBooleanValue());
CategoryPlot C3dplot = (CategoryPlot) chart.getPlot();
if (chartObject.getAttribute("alpha") != null) {
C3dplot.setForegroundAlpha(chartObject.getAttribute("alpha").getFloatValue());
}
BarRenderer3D barrenderer = (BarRenderer3D) C3dplot.getRenderer();
barrenderer.setLabelGenerator(new StandardCategoryLabelGenerator());
barrenderer.setItemLabelsVisible(true);
barrenderer.setPositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.OUTSIDE1, TextAnchor.BASELINE_CENTER));
int width, height;
if (chartObject.getAttributeValue("width").equalsIgnoreCase("auto")) {
width = (50 * dataSource.size()) * invokeFields.size() + 100;
} else {
width = Integer.parseInt(chartObject.getAttributeValue("width"));
}
if (chartObject.getAttributeValue("height").equalsIgnoreCase("auto")) {
height = (50 * dataSource.size()) * invokeFields.size() + 100;
} else {
height = Integer.parseInt(chartObject.getAttributeValue("height"));
}
return ServletUtilities.saveChartAsPNG(chart, width, height, session);
}