statisticallinechartdemo1.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.Color;
import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.*;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.StatisticalLineAndShapeRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.statistics.DefaultStatisticalCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class StatisticalLineChartDemo1 extends ApplicationFrame
{

    public StatisticalLineChartDemo1(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()
    {
        DefaultStatisticalCategoryDataset defaultstatisticalcategorydataset = new DefaultStatisticalCategoryDataset();
        defaultstatisticalcategorydataset.add(10D, 2.3999999999999999D, "Row 1", "Column 1");
        defaultstatisticalcategorydataset.add(15D, 4.4000000000000004D, "Row 1", "Column 2");
        defaultstatisticalcategorydataset.add(13D, 2.1000000000000001D, "Row 1", "Column 3");
        defaultstatisticalcategorydataset.add(7D, 1.3D, "Row 1", "Column 4");
        defaultstatisticalcategorydataset.add(22D, 2.3999999999999999D, "Row 2", "Column 1");
        defaultstatisticalcategorydataset.add(18D, 4.4000000000000004D, "Row 2", "Column 2");
        defaultstatisticalcategorydataset.add(28D, 2.1000000000000001D, "Row 2", "Column 3");
        defaultstatisticalcategorydataset.add(17D, 1.3D, "Row 2", "Column 4");
        return defaultstatisticalcategorydataset;
    }

    private static JFreeChart createChart(CategoryDataset categorydataset)
    {
        JFreeChart jfreechart = ChartFactory.createLineChart("Line Chart Demo 1", "Type", "Value", categorydataset, PlotOrientation.VERTICAL, true, true, false);
        jfreechart.setBackgroundPaint(Color.white);
        CategoryPlot categoryplot = (CategoryPlot)jfreechart.getPlot();
        categoryplot.setBackgroundPaint(Color.lightGray);
        categoryplot.setRangeGridlinePaint(Color.white);
        NumberAxis numberaxis = (NumberAxis)categoryplot.getRangeAxis();
        numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        numberaxis.setAutoRangeIncludesZero(true);
        StatisticalLineAndShapeRenderer statisticallineandshaperenderer = new StatisticalLineAndShapeRenderer(true, false);
        categoryplot.setRenderer(statisticallineandshaperenderer);
        return jfreechart;
    }

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

    public static void main(String args[])
    {
        StatisticalLineChartDemo1 statisticallinechartdemo1 = new StatisticalLineChartDemo1("Statistical Line Chart Demo");
        statisticallinechartdemo1.pack();
        RefineryUtilities.centerFrameOnScreen(statisticallinechartdemo1);
        statisticallinechartdemo1.setVisible(true);
    }
}