differencechartdemo1.java

能使报表生成图像的大全代码

// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) 

package demo;

import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JPanel;
import org.jfree.chart.*;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYDifferenceRenderer;
import org.jfree.data.time.*;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.*;

public class DifferenceChartDemo1 extends ApplicationFrame
{

    public DifferenceChartDemo1(String s)
    {
        super(s);
        XYDataset xydataset = createDataset();
        JFreeChart jfreechart = createChart(xydataset);
        ChartPanel chartpanel = new ChartPanel(jfreechart);
        chartpanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(chartpanel);
    }

    private static XYDataset createDataset()
    {
        TimeSeries timeseries = new TimeSeries("Random 1");
        TimeSeries timeseries1 = new TimeSeries("Random 2");
        double d = 0.0D;
        double d1 = 0.0D;
        Day day = new Day();
        for(int i = 0; i < 200; i++)
        {
            d = (d + Math.random()) - 0.5D;
            d1 = (d1 + Math.random()) - 0.5D;
            timeseries.add(day, d);
            timeseries1.add(day, d1);
            day = (Day)day.next();
        }

        TimeSeriesCollection timeseriescollection = new TimeSeriesCollection();
        timeseriescollection.addSeries(timeseries);
        timeseriescollection.addSeries(timeseries1);
        return timeseriescollection;
    }

    private static JFreeChart createChart(XYDataset xydataset)
    {
        JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("Difference Chart Demo 1", "Time", "Value", xydataset, true, true, false);
        jfreechart.setBackgroundPaint(Color.white);
        XYPlot xyplot = jfreechart.getXYPlot();
        xyplot.setRenderer(new XYDifferenceRenderer(Color.green, Color.red, false));
        xyplot.setBackgroundPaint(Color.lightGray);
        xyplot.setDomainGridlinePaint(Color.white);
        xyplot.setRangeGridlinePaint(Color.white);
        xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D));
        DateAxis dateaxis = new DateAxis("Time");
        dateaxis.setLowerMargin(0.0D);
        dateaxis.setUpperMargin(0.0D);
        xyplot.setDomainAxis(dateaxis);
        xyplot.setForegroundAlpha(0.5F);
        return jfreechart;
    }

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

    public static void main(String args[])
    {
        DifferenceChartDemo1 differencechartdemo1 = new DifferenceChartDemo1("Difference Chart Demo 1");
        differencechartdemo1.pack();
        RefineryUtilities.centerFrameOnScreen(differencechartdemo1);
        differencechartdemo1.setVisible(true);
    }
}