jfreechart的用法解说.doc

Jfreechart的基础图表用法与在web项目中调用下面是我自己学习时测试的例子，一天就可以搞定，写的比较简单，基本的功能都有，具体的属性百度，一般的都有解答，希望能够对你们有所帮助jar包环境到官网/jfreechart/下载资源包文件将包文件放到你的项目里面，直接写java类，可以在java类的main方法里面直接生成图片如例子public class BarChartDemo /* * 获取一个演示用的组合数据集对象 * * return */private static CategoryDataset getDataSet() DefaultCategoryDataset dataset = new DefaultCategoryDataset();dataset.addValue(100, 北京, 苹果);dataset.addValue(120, 上海, 苹果);dataset.addValue(160, 广州, 苹果);dataset.addValue(210, 北京, 梨子);dataset.addValue(220, 上海, 梨子);dataset.addValue(230, 广州, 梨子);dataset.addValue(330, 北京, 葡萄);dataset.addValue(340, 上海, 葡萄);dataset.addValue(340, 广州, 葡萄);dataset.addValue(420, 北京, 香蕉);dataset.addValue(430, 上海, 香蕉);dataset.addValue(400, 广州, 香蕉);dataset.addValue(510, 北京, 荔枝);dataset.addValue(530, 上海, 荔枝);dataset.addValue(510, 广州, 荔枝);return dataset;/* * 解决图表汉字显示问题 * * param chart */private static void processChart(JFreeChart chart) CategoryPlot plot = chart.getCategoryPlot();CategoryAxis domainAxis = plot.getDomainAxis();ValueAxis rAxis = plot.getRangeAxis();chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);TextTitle textTitle = chart.getTitle();textTitle.setFont(new Font(宋体, Font.PLAIN, 20);domainAxis.setTickLabelFont(new Font(sans-serif, Font.PLAIN, 11);domainAxis.setLabelFont(new Font(宋体, Font.PLAIN, 12);rAxis.setTickLabelFont(new Font(sans-serif, Font.PLAIN, 12);rAxis.setLabelFont(new Font(宋体, Font.PLAIN, 12);chart.getLegend().setItemFont(new Font(宋体, Font.PLAIN, 12);/3d时设置/* BarRenderer3D renderer = (BarRenderer3D) plot.getRenderer(); renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator();/设置柱子上显示文字 renderer.setItemLabelFont(new Font(宋体, Font.PLAIN, 12); renderer.setItemLabelsVisible(true);*/2dBarRenderer renderer = (BarRenderer) plot.getRenderer();renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator();/设置柱子上显示文字 renderer.setItemLabelFont(new Font(宋体, Font.PLAIN, 12); renderer.setItemLabelsVisible(true);/* * 输出图片 * * param chart */private static void writeChartAsImage(JFreeChart chart) FileOutputStream fos_jpg = null;try fos_jpg = new FileOutputStream(D:testfruit.jpg);ChartUtilities.writeChartAsJPEG(fos_jpg, 1, chart, 400, 300, null); catch (Exception e) e.printStackTrace(); finally try fos_jpg.close(); catch (Exception e) public void createZhu()/ 1. 得到数据CategoryDataset dataset = getDataSet();/ 2. 构造chartJFreeChart chart = ChartFactory.createBarChart3D(水果产量图, / 图表标题水果, / 目录轴的显示标签-横轴产量, / 数值轴的显示标签-纵轴dataset, / 数据集PlotOrientation.VERTICAL, / 图表方向：水平、true, / 是否显示图例(对于简单的柱状图必须false, / 是否生成工具false / 是否生成URL链接);/ 3. 处理chart中文显示问题processChart(chart);/ 4. chart输出图片writeChartAsImage(chart);/ 5. chart 以swing形式输出ChartFrame pieFrame = new ChartFrame(XXX, chart);pieFrame.pack();pieFrame.setVisible(true);public static void main(String args) throws IOException BarChartDemo demo = new BarChartDemo();/demo.createZhu();/3d条形图效果图如下饼状图代码/3D饼状图public void createPieChart3D() DefaultPieDataset dataset = new DefaultPieDataset();dataset.setValue(苹果, 250);dataset.setValue(桔子, 350);dataset.setValue(梨子, 200);dataset.setValue(香蕉, 50);dataset.setValue(荔枝, 150);JFreeChart chart = ChartFactory.createPieChart3D(水果产量比率图, dataset,true, true, true);TextTitle textTitle = chart.getTitle();textTitle.setFont(new Font(黑体,Font.BOLD,15);/标题设置字体PiePlot3D plot = (PiePlot3D) chart.getPlot();plot.setLabelFont(new Font(黑体, Font.TRUETYPE_FONT, 15); plot.setLabelGenerator(new StandardPieSectionLabelGenerator(0,1,(2), NumberFormat.getNumberInstance(), new DecimalFormat(0.00%); chart.getLegend().setItemFont(new Font(宋体,Font.BOLD, 15);/ 设置开始角度plot.setStartAngle(150D);/ 设置方向为顺时针方向plot.setDirection(Rotation.CLOCKWISE);/ 设置透明度，0.5F为半透明，1为不透明，0为全透明plot.setForegroundAlpha(1F);/ 没有数据的时候显示的内容plot.setNoDataMessage(无数据显示);/ 背景色设置plot.setBackgroundPaint(ChartColor.WHITE);try ChartUtilities.saveChartAsPNG(new File(D:testPieChart3D.png),chart, 800, 500); catch (IOException e) e.printStackTrace();/2d饼状图代码/柱状2d柱状public void createColumnChart() DefaultCategoryDataset dataset = new DefaultCategoryDataset();dataset.addValue(100, 北京, 苹果);dataset.addValue(100, 上海, 苹果);dataset.addValue(100, 广州, 苹果);dataset.addValue(200, 北京, 梨子);dataset.addValue(200, 上海, 梨子);dataset.addValue(200, 广州, 梨子);dataset.addValue(300, 北京, 葡萄);dataset.addValue(300, 上海, 葡萄);dataset.addValue(300, 广州, 葡萄);dataset.addValue(400, 北京, 香蕉);dataset.addValue(400, 上海, 香蕉);dataset.addValue(400, 广州, 香蕉);dataset.addValue(500, 北京, 荔枝);dataset.addValue(500, 上海, 荔枝);dataset.addValue(500, 广州, 荔枝);JFreeChart chart = ChartFactory.createBarChart(水果产量图, 水量, 产量,dataset, PlotOrientation.VERTICAL, true, true, true);processChart(chart);try ChartUtilities.saveChartAsPNG(new File(D:testColumnChart.png),chart, 800, 500); catch (IOException e) e.printStackTrace();2d折线图代码/2d折线图public void createLineChart() DefaultCategoryDataset dataset = new DefaultCategoryDataset();dataset.addValue(100, 北京, 苹果);dataset.addValue(200, 上海, 苹果);dataset.addValue(300, 广州, 苹果);dataset.addValue(400, 北京, 梨子);dataset.addValue(500, 上海, 梨子);dataset.addValue(600, 广州, 梨子);dataset.addValue(700, 北京, 葡萄);dataset.addValue(800, 上海, 葡萄);dataset.addValue(900, 广州, 葡萄);dataset.addValue(800, 北京, 香蕉);dataset.addValue(700, 上海, 香蕉);dataset.addValue(600, 广州, 香蕉);dataset.addValue(500, 北京, 荔枝);dataset.addValue(400, 上海, 荔枝);dataset.addValue(300, 广州, 荔枝);JFreeChart chart = ChartFactory.createLineChart(水果产量图 , 水果, 产量,dataset, PlotOrientation.VERTICAL, true, true, true); CategoryPlot plot = chart.getCategoryPlot();plot.setBackgroundPaint(ChartColor.WHITE); / 背景色设置plot.setRangeGridlinePaint(ChartColor.GRAY); / 网格线色设置CategoryAxis domainAxis = plot.getDomainAxis();ValueAxis rAxis = plot.getRangeAxis();chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);TextTitle textTitle = chart.getTitle();textTitle.setFont(new Font(宋体, Font.PLAIN, 20);domainAxis.setTickLabelFont(new Font(sans-serif, Font.PLAIN, 11);domainAxis.setLabelFont(new Font(宋体, Font.PLAIN, 12);rAxis.setTickLabelFont(new Font(sans-serif, Font.PLAIN, 12);rAxis.setLabelFont(new Font(宋体, Font.PLAIN, 12);chart.getLegend().setItemFont(new Font(宋体, Font.PLAIN, 12);LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator();/设置柱子上显示文字 renderer.setItemLabelFont(new Font(宋体, Font.PLAIN, 12); renderer.setItemLabelsVisible(true);try ChartUtilities.saveChartAsPNG(new File(D:testLineChart.png),chart, 800, 500); catch (IOException e) e.printStackTrace();3d折线图代码public void createLineChart3D() DefaultCategoryDataset dataset = new DefaultCategoryDataset();dataset.addValue(300, 北京, 苹果);dataset.addValue(100, 上海, 苹果);dataset.addValue(900, 广州, 苹果);dataset.addValue(200, 北京, 梨子);dataset.addValue(200, 上海, 梨子);dataset.addValue(700, 广州, 梨子);dataset.addValue(300, 北京, 葡萄);dataset.addValue(300, 上海, 葡萄);dataset.addValue(300, 广州, 葡萄);dataset.addValue(400, 北京, 香蕉);dataset.addValue(800, 上海, 香蕉);dataset.addValue(400, 广州, 香蕉);dataset.addValue(100, 北京, 荔枝);dataset.addValue(500, 上海, 荔枝);dataset.addValue(500, 广州, 荔枝);JFreeChart chart = ChartFactory.createLineChart3D(水果产量图 , 水果, 产量,dataset, PlotOrientation.VERTICAL, true, true, true); CategoryPlot plot = chart.getCategoryPlot();plot.setBackgroundPaint(ChartColor.WHITE); / 背景色设置plot.setRangeGridlinePaint(ChartColor.GRAY); / 网格线色设置CategoryAxis domainAxis = plot.getDomainAxis();ValueAxis rAxis = plot.getRangeAxis();chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);TextTitle textTitle = chart.getTitle();textTitle.setFont(new Font(宋体, Font.PLAIN, 20);domainAxis.setTickLabelFont(new Font(sans-serif, Font.PLAIN, 11);domainAxis.setLabelFont(new Font(宋体, Font.PLAIN, 12);rAxis.setTickLabelFont(new Font(sans-serif, Font.PLAIN, 12);rAxis.setLabelFont(new Font(宋体, Font.PLAIN, 12);chart.getLegend().setItemFont(new Font(宋体, Font.PLAIN, 12);LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator();/设置柱子上显示文字 renderer.setItemLabelFont(new Font(宋体, Font.PLAIN, 12); renderer.setItemLabelsVisible(true);try ChartUtilities.saveChartAsPNG(new File(D:testLineChart3D.png),chart, 800, 500); catch (IOException e) e.printStackTrace();点与折线结合的图代码如下package chart.demo02;import java.awt.Font;import java.io.File;import java.io.IOException;import java.text.DecimalFormat;import java.text.NumberFormat;import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartUtilities;import org.jfree.chart.JFreeChart;import org.jfree.chart.axis.NumberAxis;import org.jfree.chart.axis.ValueAxis;import org.jfree.chart.labels.StandardPieSectionLabelGenerator;import org.jfree.chart.labels.StandardXYToolTipGenerator;import org.jfree.chart.plot.PiePlot3D;import org.jfree.chart.plot.PlotOrientation;import org.jfree.chart.plot.XYPlot;import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;import org.jfree.chart.title.TextTitle;import org.jfree.data.xy.XYDataset;import org.jfree.data.xy.XYSeries;import org.jfree.data.xy.XYSeriesCollection;/点状图与折线一起显示 public class pointAndLine public static void main(String args) JFreeChart chart = createChart(createDataset(); try TextTitle textTitle = chart.getTitle();textTitle.setFont(new Font(黑体,Font.BOLD,15);/标题设置字体 ChartUtilities.saveChartAsPNG(new File(D:testpointAndLine.png),chart, 800, 500); catch (IOException e) e.printStackTrace();private static XYDataset createDataset() XYSeries xyseries = new XYSeries(点状图); xyseries.add(1.0D, 1.0D); xyseries.add(2D, 4D); xyseries.add(3D, 3D); xyseries.add(4D, 5D); xyseries.add(5D, 5D); xyseries.add(6D, 7D); xyseries.add(7D, 7D); xyseries.add(8D, 8D); XYSeries xyseries1 = new XYSeries(折线图); xyseries1.add(1.0D, 5D); xyseries1.add(2D, 7D); xyseries1.add(3D, 6D); xyseries1.add(4D, 8D); xyseries1.add(5D, 4D); xyseries1.add(6D, 4D); xyseries1.add(7D, 2D); xyseries1.add(8D, 1.0D); XYSeriesCollection xyseriescollection = new XYSeriesCollection(); xyseriescollection.addSeries(xyseries); xyseriescollection.addSeries(xyseries1); return xyseriescollection; private static JFreeChart createChart(XYDataset xydataset) JFreeChart jfreechart = ChartFactory.createXYLineChart(点图与折线图, X轴, Y轴, xydataset, PlotOrientation.VERTICAL, true, true, false); XYPlot xyplot = (XYPlot)jfreechart.getPlot(); ValueAxis valueAxis=xyplot.getDomainAxis(); /x轴 valueAxis.setLabelFont( new Font(黑体, Font.BOLD, 12); /x轴字体 XYLineAndShapeRenderer xylineandshaperenderer = new XYLineAndShapeRenderer(); xylineandshaperenderer.setSeriesLinesVisible(0, false); xylineandshaperenderer.setSeriesShapesVisible(1, false); xylineandshaperenderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator(); xyplot.setRenderer(xylineandshaperenderer); NumberAxis numberaxis = (NumberAxis)xyplot.getRangeAxis();/y轴 / 设置y轴上的字体 numberaxis.setTickLabelFont(new Font(宋体, Font.PLAIN, 13); / 设置y轴上的标题字体 numberaxis.setLabelFont(new Font(宋体, Font.PLAIN, 13); jfreechart.getLegend().setItemFont(new Font(宋体, Font.PLAIN, 13); /x副标题的字体 numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits(); return jfreechart; 结果Web项目中jsp调用在web.xml中配置信息 DisplayChart org.jfree.chart.servlet.DisplayChart DisplayChart /DisplayChart1. jsp例子 基础调用 jfreeChart报表显示 !- img src= width=500 height=300 border=0 Jsp显示效果注意 ServletUtilities.saveChartAsPNG(chart, 500, 300, null, session);默认生成的图片是放到了tomcat的temp临时文件里面如果你要自己指定文件录入，可以定义一个类继承ServletUtilities类 在saveChartAsPNG方法中执行设置你的路径如的例子package chart.demo02;import java.io.File;import java.text.SimpleDateFormat;import java.util.Date;import javax.servlet.http.HttpSession;import org.jfree.chart.ChartRenderingInfo;import org.jfree.chart.ChartUtilities;import org.jfree.chart.JFreeChart;import org.jfree.chart.servlet.ServletUtilities;public class JFChartUtils extends ServletUtilities private static