stackedareachartdemo.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 org.jfree.chart.*;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class StackedAreaChartDemo extends ApplicationFrame
{

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

    public CategoryDataset createDataset()
    {
        double ad[][] = {
            {
                1.0D, 4D, 3D, 5D, 5D, 7D, 7D, 8D
            }, {
                5D, 7D, 6D, 8D, 4D, 4D, 2D, 1.0D
            }, {
                4D, 3D, 2D, 3D, 6D, 3D, 4D, 3D
            }
        };
        CategoryDataset categorydataset = DatasetUtilities.createCategoryDataset("Series ", "Type ", ad);
        return categorydataset;
    }

    public JFreeChart createChart(CategoryDataset categorydataset)
    {
        JFreeChart jfreechart = ChartFactory.createStackedAreaChart("Stacked Area Chart", "Category", "Value", categorydataset, PlotOrientation.VERTICAL, true, true, false);
        jfreechart.setBackgroundPaint(Color.white);
        CategoryPlot categoryplot = (CategoryPlot)jfreechart.getPlot();
        categoryplot.setForegroundAlpha(0.85F);
        categoryplot.setBackgroundPaint(Color.lightGray);
        categoryplot.setDomainGridlinePaint(Color.white);
        categoryplot.setRangeGridlinePaint(Color.white);
        CategoryAxis categoryaxis = categoryplot.getDomainAxis();
        categoryaxis.setLowerMargin(0.0D);
        categoryaxis.setUpperMargin(0.0D);
        NumberAxis numberaxis = (NumberAxis)categoryplot.getRangeAxis();
        numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        CategoryItemRenderer categoryitemrenderer = categoryplot.getRenderer();
        categoryitemrenderer.setItemLabelsVisible(true);
        return jfreechart;
    }

    public static void main(String args[])
    {
        StackedAreaChartDemo stackedareachartdemo = new StackedAreaChartDemo("Stacked Area Chart Demo");
        stackedareachartdemo.pack();
        RefineryUtilities.centerFrameOnScreen(stackedareachartdemo);
        stackedareachartdemo.setVisible(true);
    }
}