linechartdemo5.java

很好的制作统计图表的代码

// Decompiled by DJ v3.7.7.81 Copyright 2004 Atanas Neshkov  Date: 7/18/2005 5:13:49 PM
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 

package org.jfree.chart.demo;

import java.awt.*;
import java.awt.geom.Rectangle2D;
import javax.swing.JPanel;
import org.jfree.chart.*;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.plot.*;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class LineChartDemo5 extends ApplicationFrame
{

    public LineChartDemo5(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 = "Type 1";
        String s4 = "Type 2";
        String s5 = "Type 3";
        String s6 = "Type 4";
        String s7 = "Type 5";
        String s8 = "Type 6";
        String s9 = "Type 7";
        String s10 = "Type 8";
        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(7D, s, s8);
        defaultcategorydataset.addValue(7D, s, s9);
        defaultcategorydataset.addValue(8D, s, s10);
        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, s1, s8);
        defaultcategorydataset.addValue(2D, s1, s9);
        defaultcategorydataset.addValue(1.0D, s1, s10);
        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);
        defaultcategorydataset.addValue(3D, s2, s8);
        defaultcategorydataset.addValue(4D, s2, s9);
        defaultcategorydataset.addValue(3D, s2, s10);
        return defaultcategorydataset;
    }

    private static JFreeChart createChart(CategoryDataset categorydataset)
    {
        JFreeChart jfreechart = ChartFactory.createLineChart("Line Chart Demo 5", "Type", "Value", categorydataset, PlotOrientation.VERTICAL, true, true, false);
        jfreechart.setBackgroundPaint(Color.white);
        Shape ashape[] = new Shape[3];
        int ai[] = {
            -3, 3, -3
        };
        int ai1[] = {
            -3, 0, 3
        };
        ashape[0] = new Polygon(ai, ai1, 3);
        ashape[1] = new java.awt.geom.Rectangle2D.Double(-2D, -3D, 3D, 6D);
        ai = (new int[] {
            -3, 3, 3
        });
        ai1 = (new int[] {
            0, -3, 3
        });
        ashape[2] = new Polygon(ai, ai1, 3);
        DefaultDrawingSupplier defaultdrawingsupplier = new DefaultDrawingSupplier(DefaultDrawingSupplier.DEFAULT_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_STROKE_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_STROKE_SEQUENCE, ashape);
        CategoryPlot categoryplot = jfreechart.getCategoryPlot();
        
        categoryplot.setOrientation(PlotOrientation.HORIZONTAL);
        categoryplot.setBackgroundPaint(Color.lightGray);
        categoryplot.setDomainGridlinePaint(Color.white);
        categoryplot.setRangeGridlinePaint(Color.white);
        categoryplot.setDrawingSupplier(defaultdrawingsupplier);
        
        categoryplot.getRenderer().setSeriesStroke(0, new BasicStroke(1.0F, 1, 1, 1.0F, new float[] {
            10F, 5F
        }, 0.0F));
        
        categoryplot.getRenderer().setSeriesStroke(1, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] {
            6F, 6F
        }, 0.0F));
        categoryplot.getRenderer().setSeriesStroke(2, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] {
            2.0F, 6F
        }, 0.0F));
        
        LineAndShapeRenderer lineandshaperenderer = (LineAndShapeRenderer)categoryplot.getRenderer();
        lineandshaperenderer.setShapesVisible(true);
        lineandshaperenderer.setItemLabelsVisible(true);
        lineandshaperenderer.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        NumberAxis numberaxis = (NumberAxis)categoryplot.getRangeAxis();
        numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        numberaxis.setAutoRangeIncludesZero(false);
        numberaxis.setUpperMargin(0.12D);
        
        return jfreechart;
    }

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

    public static void main(String args[])
    {
        LineChartDemo5 linechartdemo5 = new LineChartDemo5("Line Chart Demo 5");
        linechartdemo5.pack();
        RefineryUtilities.centerFrameOnScreen(linechartdemo5);
        linechartdemo5.setVisible(true);
    }
}