spiderwebchartdemo1.java

很好的制作统计图表的代码

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// Decompiler options: packimports(3) 

package org.jfree.chart.demo;

import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.SpiderWebPlot;
import org.jfree.chart.title.LegendTitle;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.*;

public class SpiderWebChartDemo1 extends ApplicationFrame
{

    public SpiderWebChartDemo1(String s)
    {
        super(s);
        CategoryDataset categorydataset = createDataset();
        JFreeChart jfreechart = createChart(categorydataset);
        ChartPanel chartpanel = new ChartPanel(jfreechart);
        chartpanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(chartpanel);
    }

    private static CategoryDataset createDataset()
    {
        String s = "First";
        String s1 = "Second";
        String s2 = "Third";
        String s3 = "Category 1";
        String s4 = "Category 2";
        String s5 = "Category 3";
        String s6 = "Category 4";
        String s7 = "Category 5";
        DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
        defaultcategorydataset.addValue(1.0D, s, s3);
        defaultcategorydataset.addValue(4D, s, s4);
        defaultcategorydataset.addValue(3D, s, s5);
        defaultcategorydataset.addValue(5D, s, s6);
        defaultcategorydataset.addValue(5D, s, s7);
        defaultcategorydataset.addValue(5D, s1, s3);
        defaultcategorydataset.addValue(7D, s1, s4);
        defaultcategorydataset.addValue(6D, s1, s5);
        defaultcategorydataset.addValue(8D, s1, s6);
        defaultcategorydataset.addValue(4D, s1, s7);
        defaultcategorydataset.addValue(4D, s2, s3);
        defaultcategorydataset.addValue(3D, s2, s4);
        defaultcategorydataset.addValue(2D, s2, s5);
        defaultcategorydataset.addValue(3D, s2, s6);
        defaultcategorydataset.addValue(6D, s2, s7);
        return defaultcategorydataset;
    }

    private static JFreeChart createChart(CategoryDataset categorydataset)
    {
        SpiderWebPlot spiderwebplot = new SpiderWebPlot(categorydataset);
        JFreeChart jfreechart = new JFreeChart("Spider Chart Demo", TextTitle.DEFAULT_FONT, spiderwebplot, false);
        LegendTitle legendtitle = new LegendTitle(spiderwebplot);
        legendtitle.setPosition(RectangleEdge.BOTTOM);
        jfreechart.addSubtitle(legendtitle);
        return jfreechart;
    }

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

    public static void main(String args[])
    {
        SpiderWebChartDemo1 spiderwebchartdemo1 = new SpiderWebChartDemo1("Spider Chart Demo");
        spiderwebchartdemo1.pack();
        RefineryUtilities.centerFrameOnScreen(spiderwebchartdemo1);
        spiderwebchartdemo1.setVisible(true);
    }
}