timeseriesdemo4.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.plot.*;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.data.time.*;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.*;
import org.jfree.ui.about.ProjectInfo;

public class TimeSeriesDemo4 extends ApplicationFrame
{

    public TimeSeriesDemo4(String s)
    {
        super(s);
        XYDataset xydataset = createDataset();
        JFreeChart jfreechart = createChart(xydataset);
        ChartPanel chartpanel = new ChartPanel(jfreechart);
        chartpanel.setPreferredSize(new Dimension(500, 270));
        chartpanel.setMouseZoomable(true, false);
        setContentPane(chartpanel);
    }

    private static XYDataset createDataset()
    {
        TimeSeries timeseries = new TimeSeries("Random Data", org.jfree.data.time.Hour.class);
        Day day = new Day();
        timeseries.add(new Hour(1, day), 500.19999999999999D);
        timeseries.add(new Hour(2, day), 694.10000000000002D);
        timeseries.add(new Hour(3, day), 734.39999999999998D);
        timeseries.add(new Hour(4, day), 453.19999999999999D);
        timeseries.add(new Hour(7, day), 500.19999999999999D);
        timeseries.add(new Hour(8, day), null);
        timeseries.add(new Hour(12, day), 734.39999999999998D);
        timeseries.add(new Hour(16, day), 453.19999999999999D);
        TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeseries);
        return timeseriescollection;
    }

    private static JFreeChart createChart(XYDataset xydataset)
    {
        String s = "\u20A2\u20A2\u20A3\u20A4\u20A5\u20A6\u20A7\u20A8\u20A9\u20AA";
        JFreeChart jfreechart = ChartFactory.createTimeSeriesChart(s, "Time", "Value", xydataset, true, true, false);
        XYPlot xyplot = jfreechart.getXYPlot();
        xyplot.setInsets(new RectangleInsets(0.0D, 0.0D, 0.0D, 20D));
        ValueMarker valuemarker = new ValueMarker(700D);
        valuemarker.setPaint(Color.blue);
        valuemarker.setAlpha(0.8F);
        xyplot.addRangeMarker(valuemarker);
        xyplot.setBackgroundPaint(null);
        xyplot.setBackgroundImage(JFreeChart.INFO.getLogo());
        org.jfree.chart.renderer.xy.XYItemRenderer xyitemrenderer = xyplot.getRenderer();
        if(xyitemrenderer instanceof StandardXYItemRenderer)
        {
            StandardXYItemRenderer standardxyitemrenderer = (StandardXYItemRenderer)xyitemrenderer;
            standardxyitemrenderer.setPlotShapes(true);
            standardxyitemrenderer.setShapesFilled(true);
        }
        return jfreechart;
    }

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

    public static void main(String args[])
    {
        TimeSeriesDemo4 timeseriesdemo4 = new TimeSeriesDemo4("Time Series Demo 4");
        timeseriesdemo4.pack();
        RefineryUtilities.centerFrameOnScreen(timeseriesdemo4);
        timeseriesdemo4.setVisible(true);
    }
}