jfreechart,柱状图，一个柱上两种颜色。

[lyszjs]

jfreechart,柱状图，一个柱上两种颜色。

找的很久都没找到，在jfree的官网上也没看到这样的例图，有人做过吗

[jianghuxiaoxiami]

import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.*;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.StackedBarRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class StackedBarChartDemo1 extends ApplicationFrame
{

public StackedBarChartDemo1(String s)
{
super(s);
JPanel jpanel = createDemoPanel();
jpanel.setPreferredSize(new Dimension(500, 270));
setContentPane(jpanel);
}

private static CategoryDataset createDataset()
{
DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
defaultcategorydataset.addValue(32.399999999999999D, "Series 1", "Category 1");
defaultcategorydataset.addValue(17.800000000000001D, "Series 2", "Category 1");
defaultcategorydataset.addValue(27.699999999999999D, "Series 3", "Category 1");
defaultcategorydataset.addValue(43.200000000000003D, "Series 1", "Category 2");
defaultcategorydataset.addValue(15.6D, "Series 2", "Category 2");
defaultcategorydataset.addValue(18.300000000000001D, "Series 3", "Category 2");
defaultcategorydataset.addValue(23D, "Series 1", "Category 3");
defaultcategorydataset.addValue(11.300000000000001D, "Series 2", "Category 3");
defaultcategorydataset.addValue(25.5D, "Series 3", "Category 3");
defaultcategorydataset.addValue(13D, "Series 1", "Category 4");
defaultcategorydataset.addValue(11.800000000000001D, "Series 2", "Category 4");
defaultcategorydataset.addValue(29.5D, "Series 3", "Category 4");
return defaultcategorydataset;
}

private static JFreeChart createChart(CategoryDataset categorydataset)
{
JFreeChart jfreechart = ChartFactory.createStackedBarChart("Stacked Bar Chart Demo 1", "Category", "Value", categorydataset, PlotOrientation.VERTICAL, true, true, false);
jfreechart.setBackgroundPaint(Color.white);
CategoryPlot categoryplot = (CategoryPlot)jfreechart.getPlot();
categoryplot.setBackgroundPaint(Color.lightGray);
categoryplot.setRangeGridlinePaint(Color.white);
StackedBarRenderer stackedbarrenderer = (StackedBarRenderer)categoryplot.getRenderer();
stackedbarrenderer.setDrawBarOutline(false);
stackedbarrenderer.setItemLabelsVisible(true);
stackedbarrenderer.setSeriesItemLabelGenerator(0, new StandardCategoryItemLabelGenerator());
return jfreechart;
}

public static JPanel createDemoPanel()
{
JFreeChart jfreechart = createChart(createDataset());
return new ChartPanel(jfreechart);
}

public static void main(String args[])
{
StackedBarChartDemo1 stackedbarchartdemo1 = new StackedBarChartDemo1("Stacked Bar Chart Demo 1");
stackedbarchartdemo1.pack();
RefineryUtilities.centerFrameOnScreen(stackedbarchartdemo1);
stackedbarchartdemo1.setVisible(true);
}
}

你说的应该是堆栈图,上面这个Demo每个柱子上有3种颜色,其实就是每个Category有3个series了

[lyszjs]

我已经找到了。不过还是谢谢你了。

[lyszjs]

看了上面的效果，是平面的，
我需要的最好是立体的。
不知道是不是一样的代码，只需改个方法或参数就可以了。
请知道的指教。

[jianghuxiaoxiami]

package org.jfree.chart.demo;

import java.awt.Dimension;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import org.jfree.chart.*;
import org.jfree.chart.labels.*;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.StackedBarRenderer3D;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.*;

public class StackedBarChart3DDemo2 extends ApplicationFrame
{

public StackedBarChart3DDemo2(String s)
{
super(s);
CategoryDataset categorydataset = createDataset();
JFreeChart jfreechart = createChart(categorydataset);
ChartPanel chartpanel = new ChartPanel(jfreechart);
chartpanel.setPreferredSize(new Dimension(500, 270));
setContentPane(chartpanel);
}

public CategoryDataset createDataset()
{
DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
defaultcategorydataset.addValue(10D, "Series 1", "C1");
defaultcategorydataset.addValue(5D, "Series 1", "C2");
defaultcategorydataset.addValue(6D, "Series 1", "C3");
defaultcategorydataset.addValue(7D, "Series 1", "C4");
defaultcategorydataset.addValue(8D, "Series 1", "C5");
defaultcategorydataset.addValue(9D, "Series 1", "C6");
defaultcategorydataset.addValue(10D, "Series 1", "C7");
defaultcategorydataset.addValue(11D, "Series 1", "C8");
defaultcategorydataset.addValue(3D, "Series 1", "C9");
defaultcategorydataset.addValue(4D, "Series 2", "C1");
defaultcategorydataset.addValue(7D, "Series 2", "C2");
defaultcategorydataset.addValue(17D, "Series 2", "C3");
defaultcategorydataset.addValue(15D, "Series 2", "C4");
defaultcategorydataset.addValue(6D, "Series 2", "C5");
defaultcategorydataset.addValue(8D, "Series 2", "C6");
defaultcategorydataset.addValue(9D, "Series 2", "C7");
defaultcategorydataset.addValue(13D, "Series 2", "C8");
defaultcategorydataset.addValue(7D, "Series 2", "C9");
defaultcategorydataset.addValue(15D, "Series 3", "C1");
defaultcategorydataset.addValue(14D, "Series 3", "C2");
defaultcategorydataset.addValue(12D, "Series 3", "C3");
defaultcategorydataset.addValue(11D, "Series 3", "C4");
defaultcategorydataset.addValue(10D, "Series 3", "C5");
defaultcategorydataset.addValue(0.0D, "Series 3", "C6");
defaultcategorydataset.addValue(7D, "Series 3", "C7");
defaultcategorydataset.addValue(9D, "Series 3", "C8");
defaultcategorydataset.addValue(11D, "Series 3", "C9");
defaultcategorydataset.addValue(14D, "Series 4", "C1");
defaultcategorydataset.addValue(3D, "Series 4", "C2");
defaultcategorydataset.addValue(7D, "Series 4", "C3");
defaultcategorydataset.addValue(0.0D, "Series 4", "C4");
defaultcategorydataset.addValue(9D, "Series 4", "C5");
defaultcategorydataset.addValue(6D, "Series 4", "C6");
defaultcategorydataset.addValue(7D, "Series 4", "C7");
defaultcategorydataset.addValue(9D, "Series 4", "C8");
defaultcategorydataset.addValue(10D, "Series 4", "C9");
return defaultcategorydataset;
}

private JFreeChart createChart(CategoryDataset categorydataset)
{
JFreeChart jfreechart = ChartFactory.createStackedBarChart3D("Stacked Bar Chart 3D Demo 2", "Category", "Value", categorydataset, PlotOrientation.VERTICAL, true, true, false);
CategoryPlot categoryplot = (CategoryPlot)jfreechart.getPlot();
StackedBarRenderer3D stackedbarrenderer3d = (StackedBarRenderer3D)categoryplot.getRenderer();
stackedbarrenderer3d.setRenderAsPercentages(true);
stackedbarrenderer3d.setDrawBarOutline(false);
stackedbarrenderer3d.setItemLabelGenerator(new StandardCategoryItemLabelGenerator("{3}", NumberFormat.getIntegerInstance(), new DecimalFormat("0.0%")));
stackedbarrenderer3d.setItemLabelsVisible(true);
stackedbarrenderer3d.setPositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER));
stackedbarrenderer3d.setNegativeItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER));
return jfreechart;
}

public static void main(String args[])
{
StackedBarChart3DDemo2 stackedbarchart3ddemo2 = new StackedBarChart3DDemo2("Stacked Bar Chart 3D Demo 2");
stackedbarchart3ddemo2.pack();
RefineryUtilities.centerFrameOnScreen(stackedbarchart3ddemo2);
stackedbarchart3ddemo2.setVisible(true);
}
}

StackedBarChart3D demo,应该符合你的要求了