JFreeChart图表绘制教程-优快云博客

一、JFreeChart

第三方jar包，开源、免费（开发指南收费）。提供了饼状图、柱状图、折线图、散点图、甘特图和刻度盘等等。
maven依赖

    <dependencies>
        <dependency>
            <groupId>jfree</groupId>
            <artifactId>jcommon</artifactId>
            <version>1.0.16</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/jfree/jfreechart -->
        <dependency>
            <groupId>jfree</groupId>
            <artifactId>jfreechart</artifactId>
            <version>1.0.13</version>
        </dependency>
    </dependencies>

二、实验

1）饼状图
在这里插入图片描述

package jfreechart.piechart;

import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PiePlot;
import org.jfree.data.DefaultKeyedValues;
import org.jfree.data.KeyedValues;
import org.jfree.data.general.DefaultPieDataset;

import javax.swing.*;
import java.awt.*;

public class PieChart2DTest extends JFrame {
    private static final int DEFAULT_WIDTH = 300;
    private static final int DEFAULT_HEIGHT = 200;

    public PieChart2DTest() {
        setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
        setContentPane(createPane());
    }

    /**
     * 1.画图
     * 2.填数据
     * 3.放入panel显示
     * @return
     */
    private Container createPane() {
        JPanel panel = new JPanel();
        panel.setLayout(new BorderLayout());
        
        DefaultKeyedValues keyedValues = new DefaultKeyedValues();
        keyedValues.addValue("足球概念", 20.9);
        keyedValues.addValue("基建", 40.1);
        keyedValues.addValue("国产软件", 39.0);
        DefaultPieDataset data = new DefaultPieDataset(keyedValues);
        
        PiePlot plot = new PiePlot(data);
        
        JFreeChart chart = new JFreeChart(plot);
        
        panel.add(new ChartPanel(chart));
        return panel;
    }


    public static void main(String[] args) {
        EventQueue.invokeLater(() -> {
            PieChart2DTest frame = new PieChart2DTest();
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setVisible(true);
        });
    }
}

设置标题
在这里插入图片描述
3D效果

2）柱状图

package jfreechart.barchart;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.StandardChartTheme;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.block.BlockBorder;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;

import java.awt.*;


public class BarChartDemo1 extends ApplicationFrame {

    public BarChartDemo1(String title) {
        super(title);

        CategoryDataset dataset = createDataset();
        JFreeChart chart = createChart(dataset);
        ChartPanel chartPanel = new ChartPanel(chart, false);
        chartPanel.setFillZoomRectangle(true);
        chartPanel.setMouseWheelEnabled(true);
        chartPanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(chartPanel);
    }

    /**
     * Returns a sample dataset.
     *
     * @return The dataset.
     */
    private static CategoryDataset createDataset() {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        dataset.addValue(10000, "足球概念", "足球概念1");
        dataset.addValue(40000, "基建", "基建1");
        dataset.addValue(39999, "国产软件", "国产软件1");

        return dataset;
    }

    /**
     * Creates a sample chart.
     *
     * @param dataset the dataset.
     * @return The chart.
     */
    private static JFreeChart createChart(CategoryDataset dataset) {
        //创建主题样式，避免中文乱码
        StandardChartTheme standardChartTheme = new StandardChartTheme("CN");
        // 设置标题字体
        standardChartTheme.setExtraLargeFont(new Font("宋体", Font.BOLD, 20));
        // 设置图例的字体
        standardChartTheme.setRegularFont(new Font("宋体", Font.PLAIN, 15));
        // 设置轴向的字体
        standardChartTheme.setLargeFont(new Font("宋体", Font.PLAIN, 15));
        // 应用主题样式
        ChartFactory.setChartTheme(standardChartTheme);

        JFreeChart chart = ChartFactory.createBarChart("投资总揽", "股票类型" /* x-axis label*/,
                "投资金额" /* y-axis label */, dataset, PlotOrientation.VERTICAL, true, true, false);


        chart.setBackgroundPaint(Color.WHITE);
        chart.getLegend().setFrame(BlockBorder.NONE);
        return chart;
    }

    public static void main(String[] args) {
        BarChartDemo1 demo = new BarChartDemo1("JFreeChart: BarChartDemo1.java");
        demo.pack();
        demo.setLocationRelativeTo(null);// 居中显示
        demo.setVisible(true);
    }

}

分组柱状图

    private static CategoryDataset createDataset() {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        dataset.addValue(10000, "足球概念", "张三");
        dataset.addValue(40000, "基建", "张三");
        dataset.addValue(39999, "国产软件", "张三");

        dataset.addValue(1000, "足球概念", "李四");
        dataset.addValue(4000, "基建", "李四");
        dataset.addValue(3999, "国产软件", "李四");
        return dataset;
    }

在这里插入图片描述
3D效果

        JFreeChart chart = ChartFactory.createBarChart3D("投资总揽", "股票类型" /* x-axis label*/,
                "投资金额" /* y-axis label */, dataset, PlotOrientation.VERTICAL, true, true, false);

在这里插入图片描述

3）时间折线图
在这里插入图片描述

package jfreechart.timserieschart;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.StandardChartTheme;
import org.jfree.chart.block.BlockBorder;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.time.Month;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;

import java.awt.*;


public class TimeSeriesChartDemo1 extends ApplicationFrame {

    public TimeSeriesChartDemo1(String title) {
        super(title);

        XYDataset dataset = createDataset();
        JFreeChart chart = createChart(dataset);
        ChartPanel chartPanel = new ChartPanel(chart, false);
        chartPanel.setFillZoomRectangle(true);
        chartPanel.setMouseWheelEnabled(true);
        chartPanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(chartPanel);
    }

    /**
     * Returns a sample dataset.
     *
     * @return The dataset.
     */
    private static XYDataset createDataset() {
        TimeSeries s1 = new TimeSeries("张三");
        s1.add(new Month(2, 2001), 181.8);
        s1.add(new Month(3, 2001), 167.3);
        s1.add(new Month(4, 2001), 153.8);
        s1.add(new Month(5, 2001), 167.6);
        s1.add(new Month(6, 2001), 158.8);
        s1.add(new Month(7, 2001), 148.3);
        s1.add(new Month(8, 2001), 153.9);
        s1.add(new Month(9, 2001), 142.7);
        s1.add(new Month(10, 2001), 123.2);
        s1.add(new Month(11, 2001), 131.8);
        s1.add(new Month(12, 2001), 139.6);
        s1.add(new Month(1, 2002), 142.9);
        s1.add(new Month(2, 2002), 138.7);
        s1.add(new Month(3, 2002), 137.3);
        s1.add(new Month(4, 2002), 143.9);
        s1.add(new Month(5, 2002), 139.8);
        s1.add(new Month(6, 2002), 137.0);
        s1.add(new Month(7, 2002), 132.8);

        TimeSeries s2 = new TimeSeries("李四");
        s2.add(new Month(2, 2001), 129.6);
        s2.add(new Month(3, 2001), 123.2);
        s2.add(new Month(4, 2001), 117.2);
        s2.add(new Month(5, 2001), 124.1);
        s2.add(new Month(6, 2001), 122.6);
        s2.add(new Month(7, 2001), 119.2);
        s2.add(new Month(8, 2001), 116.5);
        s2.add(new Month(9, 2001), 112.7);
        s2.add(new Month(10, 2001), 101.5);
        s2.add(new Month(11, 2001), 106.1);
        s2.add(new Month(12, 2001), 110.3);
        s2.add(new Month(1, 2002), 111.7);
        s2.add(new Month(2, 2002), 111.0);
        s2.add(new Month(3, 2002), 109.6);
        s2.add(new Month(4, 2002), 113.2);
        s2.add(new Month(5, 2002), 111.6);
        s2.add(new Month(6, 2002), 108.8);
        s2.add(new Month(7, 2002), 101.6);

        TimeSeriesCollection dataset = new TimeSeriesCollection();
        dataset.addSeries(s1);
        dataset.addSeries(s2);

        return dataset;
    }

    /**
     * Creates a sample chart.
     *
     * @param dataset the dataset.
     * @return The chart.
     */
    private static JFreeChart createChart(XYDataset dataset) {
        //创建主题样式，避免中文乱码
        StandardChartTheme standardChartTheme = new StandardChartTheme("CN");
        // 设置标题字体
        standardChartTheme.setExtraLargeFont(new Font("宋体", Font.BOLD, 20));
        // 设置图例的字体
        standardChartTheme.setRegularFont(new Font("宋体", Font.PLAIN, 15));
        // 设置轴向的字体
        standardChartTheme.setLargeFont(new Font("宋体", Font.PLAIN, 15));
        // 应用主题样式
        ChartFactory.setChartTheme(standardChartTheme);

        String title = "投资情况调查";
        String timeAxisLabel = "月份";
        String valueAxisLabel = "投资金额（单位：万元）";
        JFreeChart chart = ChartFactory.createTimeSeriesChart(title, timeAxisLabel, valueAxisLabel, dataset, true,
                true, true);


        chart.setBackgroundPaint(Color.WHITE);
        chart.getLegend().setFrame(BlockBorder.NONE);
        return chart;
    }

    public static void main(String[] args) {
        TimeSeriesChartDemo1 demo = new TimeSeriesChartDemo1("JFreeChart: TimeSeriesChartDemo1.java");
        demo.pack();
        demo.setLocationRelativeTo(null);// 居中显示
        demo.setVisible(true);
    }

}

4）XYLine折线图
在这里插入图片描述

package jfreechart.timserieschart;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.StandardChartTheme;
import org.jfree.chart.block.BlockBorder;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.time.Month;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.DefaultXYDataset;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.ApplicationFrame;

import java.awt.*;


public class TimeSeriesChartDemo2 extends ApplicationFrame {

    public TimeSeriesChartDemo2(String title) {
        super(title);

        XYDataset dataset = createDataset();
        JFreeChart chart = createChart(dataset);
        ChartPanel chartPanel = new ChartPanel(chart, false);
        chartPanel.setFillZoomRectangle(true);
        chartPanel.setMouseWheelEnabled(true);
        chartPanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(chartPanel);
    }

    /**
     * Returns a sample dataset.
     *
     * @return The dataset.
     */
    private static XYDataset createDataset() {

        double[][] series1 = {{1, 2, 3}, {10, 22, 18}};
        double[][] series2 = {{1, 2, 3}, {50, 10, 20}};

        DefaultXYDataset xyDataset = new DefaultXYDataset();
        xyDataset.addSeries("张三", series1);
        xyDataset.addSeries("李四", series2);


        return xyDataset;
    }

    /**
     * Creates a sample chart.
     *
     * @param dataset the dataset.
     * @return The chart.
     */
    private static JFreeChart createChart(XYDataset dataset) {
        //创建主题样式，避免中文乱码
        StandardChartTheme standardChartTheme = new StandardChartTheme("CN");
        // 设置标题字体
        standardChartTheme.setExtraLargeFont(new Font("宋体", Font.BOLD, 20));
        // 设置图例的字体
        standardChartTheme.setRegularFont(new Font("宋体", Font.PLAIN, 15));
        // 设置轴向的字体
        standardChartTheme.setLargeFont(new Font("宋体", Font.PLAIN, 15));
        // 应用主题样式
        ChartFactory.setChartTheme(standardChartTheme);

        String title = "投资情况调查";
        String xAxisLabel = "月份";
        String yAxisLabel = "投资金额（单位：万元）";
        JFreeChart chart = ChartFactory.createXYLineChart(title, xAxisLabel, yAxisLabel, dataset,
                PlotOrientation.VERTICAL,true,
                true, true);


        chart.setBackgroundPaint(Color.WHITE);
        chart.getLegend().setFrame(BlockBorder.NONE);
        return chart;
    }

    public static void main(String[] args) {
        TimeSeriesChartDemo2 demo = new TimeSeriesChartDemo2("JFreeChart: TimeSeriesChartDemo1.java");
        demo.pack();
        demo.setLocationRelativeTo(null);// 居中显示
        demo.setVisible(true);
    }

}

5）仪表盘DialPlot
在这里插入图片描述

package jfreechart.dialplot;

import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Point;

import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.dial.DialBackground;
import org.jfree.chart.plot.dial.DialCap;
import org.jfree.chart.plot.dial.DialFrame;
import org.jfree.chart.plot.dial.DialPlot;
import org.jfree.chart.plot.dial.DialTextAnnotation;
import org.jfree.chart.plot.dial.DialValueIndicator;
import org.jfree.chart.plot.dial.StandardDialFrame;
import org.jfree.chart.plot.dial.StandardDialRange;
import org.jfree.chart.plot.dial.StandardDialScale;
import org.jfree.chart.plot.dial.DialPointer.Pointer;
import org.jfree.data.general.DefaultValueDataset;
import org.jfree.ui.GradientPaintTransformType;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.StandardGradientPaintTransformer;
/**
 * 仪表盘制作
 * @author Administrator
 *
 */
public class DialPlotDemo {
    public static void main(String[] args){
        //1,数据集合对象 此处为DefaultValueDataset
        DefaultValueDataset dataset = new DefaultValueDataset();
        //  当前指针指向的位置，即：我们需要显示的数据
        dataset.setValue(10D);
        /**
         *  获取图表区域对象
         *
         * A. setDataSet(int index, DataSet dataSet);
         * 为表盘设定使用的数据集，通常一个表盘上可能存在多个指针，
         * 因此需要制定该数据集与哪个指针相互关联。
         * 可以将指针想象成数据集的一种体现方式。
         */
        DialPlot dialplot = new DialPlot();
        dialplot.setView(0.0D, 0.0D, 1.0D, 1.0D);
        dialplot.setDataset(0,dataset);
        /**
         * 开始设置显示框架结构
         * B. setDailFrame(DailFrame dailFrame);设置表盘的底层面板图像，通常表盘是整个仪表的最底层。
         */
        DialFrame dialframe =new StandardDialFrame();
        dialplot.setDialFrame(dialframe);
        /**
         * 结束设置显示框架结构
         * C. setBackground(Color color);设置表盘的颜色，可以采用Java内置的颜色控制方式来调用该方法。
         */
        GradientPaint gradientpaint = new GradientPaint(new Point(), new Color(255, 255, 255), new Point(), new Color(170, 170, 220));
        DialBackground dialbackground = new DialBackground(gradientpaint);
        dialbackground.setGradientPaintTransformer(new StandardGradientPaintTransformer(GradientPaintTransformType.VERTICAL));
        dialplot.setBackground(dialbackground);
        //  设置显示在表盘中央位置的信息
        DialTextAnnotation dialtextannotation = new DialTextAnnotation("温度");
        dialtextannotation.setFont(new Font("Dialog", 1, 14));
        dialtextannotation.setRadius(0.69999999999999996D);
        dialplot.addLayer(dialtextannotation);
        DialValueIndicator dialvalueindicator = new DialValueIndicator(0);
        dialplot.addLayer(dialvalueindicator);
        //  根据表盘的直径大小（0.75），设置总刻度范围
        /**
         * E. addScale(int index, DailScale dailScale);
         * 用于设定表盘上的量程，index指明该量程属于哪一个指针所指向的数据集，
         * DailScale指明该量程的样式，如量程的基本单位等信息。
         *
         * StandardDialScale(double lowerBound, double upperBound, double startAngle,
         * double extent, double majorTickIncrement, int minorTickCount)
         * new StandardDialScale(-40D, 60D, -120D, -300D,30D);
         */
        //
        StandardDialScale standarddialscale =new StandardDialScale();
        standarddialscale.setLowerBound(-40D);
        standarddialscale.setUpperBound(60D);
        standarddialscale.setStartAngle(-120D);
        standarddialscale.setExtent(-300D);
        standarddialscale.setTickRadius(0.88D);
        standarddialscale.setTickLabelOffset(0.14999999999999999D);
        standarddialscale.setTickLabelFont(new Font("Dialog", 0, 14));
        dialplot.addScale(0, standarddialscale);
        /**
         * F. addLayer(DailRange dailRange);
         * 用于设定某一特定量程的特殊表现，通常位于量程之下，如红色范围标注，绿色范围标注等。
         * 在调用该方法之前需要设定DailRange的一些信息，包括位置信息，颜色信息等等。
         */
        //设置刻度范围（红色）
        StandardDialRange standarddialrange = new StandardDialRange(40D, 60D, Color.red);
        standarddialrange.setInnerRadius(0.52000000000000002D);
        standarddialrange.setOuterRadius(0.55000000000000004D);
        dialplot.addLayer(standarddialrange);
        //设置刻度范围（橘黄色）
        StandardDialRange standarddialrange1 = new StandardDialRange(10D, 40D, Color.orange);
        standarddialrange1.setInnerRadius(0.52000000000000002D);
        standarddialrange1.setOuterRadius(0.55000000000000004D);
        dialplot.addLayer(standarddialrange1);
        //设置刻度范围（绿色）
        StandardDialRange standarddialrange2 = new StandardDialRange(-40D, 10D, Color.green);
        standarddialrange2.setInnerRadius(0.52000000000000002D);
        standarddialrange2.setOuterRadius(0.55000000000000004D);
        dialplot.addLayer(standarddialrange2);

        /**
         * 设置指针
         * G. addPointer(DailPointer dailPointer);
         * 用于设定表盘使用的指针样式，JFreeChart中有很多可供选择指针样式，
         * 用户可以根据使用需要，采用不同的DailPoint的实现类来调用该方法
         */
        Pointer pointer = new Pointer(); //内部内
        dialplot.addPointer(pointer); //addLayer(pointer);
        /**
         * 实例化DialCap
         * H. setCap(DailCap dailCap);设定指针上面的盖帽的样式。
         */
        DialCap dialcap = new DialCap();
        dialcap.setRadius(0.10000000000000001D);
        dialplot.setCap(dialcap);
        //生成chart对象
        JFreeChart jfreechart = new JFreeChart(dialplot);
        //设置标题
        jfreechart.setTitle("设备取水温度采样");
        ChartFrame frame = new ChartFrame("CityInfoPort公司组织架构图 ", jfreechart,true);
        frame.pack();
        //屏幕居中
        RefineryUtilities.centerFrameOnScreen(frame);
        frame.setVisible(true);
    }
}

三、小记

慢慢探索、深入，争取写出点有意义的东西。ChartFactory提供了一些常见的创建图表的工厂方法，但是没有创建仪表盘DialPlot，需要new。仪表盘复杂些，其他的还好，设置数据，创建图表，显示就完事了。仪表盘代码借用JfreeChart实现仪表盘

四、引用、参考

[1]demo https://github.com/jfree/jfree-demos
[2]JFreeChart官网http://www.jfree.org/index.html
[3]JFreeChart源码https://github.com/jfree/jfreechart
[4]在线APIhttp://www.jfree.org/jfreechart/api/javadoc/index.html
[5]https://www.cnblogs.com/xingyun/archive/2012/02/05/2339237.html
[6]仪表盘https://blog.youkuaiyun.com/zdj342472776/article/details/7172773