JfreeChart作好的折线+曲线图详细例子

折线图 line.jsp
XY曲线图 xy.jsp
时间曲线图 timeserver.jsp
其他曲线图 MultipleAxisDemo.jsp


折线图 line.jsp :

<%@ page contentType="text/html;charset=GBK"%> <%@ page import = "org.jfree.chart.ChartFactory,                   org.jfree.chart.ChartPanel,                   org.jfree.chart.JFreeChart,                   org.jfree.chart.StandardLegend,                   org.jfree.chart.axis.NumberAxis,   org.jfree.chart.plot.CategoryPlot,   org.jfree.chart.plot.PlotOrientation,   org.jfree.chart.renderer.LineAndShapeRenderer,   org.jfree.data.CategoryDataset,   org.jfree.data.DefaultCategoryDataset,   org.jfree.chart.servlet.ServletUtilities "%> <%                // row keys...        String series1 = "First";        String series2 = "Second";        String series3 = "Third";        // column keys...        String type1 = "Type 1";        String type2 = "Type 2";        String type3 = "Type 3";        String type4 = "Type 4";        String type5 = "Type 5";        String type6 = "Type 6";        String type7 = "Type 7";        String type8 = "Type 8";        // create the dataset...        DefaultCategoryDataset dataset = new DefaultCategoryDataset();        dataset.addValue(1.0, series1, type1);        dataset.addValue(4.0, series1, type2);        dataset.addValue(3.0, series1, type3);        dataset.addValue(5.0, series1, type4);        dataset.addValue(5.0, series1, type5);        dataset.addValue(7.0, series1, type6);        dataset.addValue(7.0, series1, type7);        dataset.addValue(8.0, series1, type8);        dataset.addValue(5.0, series2, type1);        dataset.addValue(7.0, series2, type2);        dataset.addValue(6.0, series2, type3);        dataset.addValue(8.0, series2, type4);        dataset.addValue(4.0, series2, type5);        dataset.addValue(4.0, series2, type6);        dataset.addValue(2.0, series2, type7);        dataset.addValue(1.0, series2, type8);        dataset.addValue(4.0, series3, type1);        dataset.addValue(3.0, series3, type2);        dataset.addValue(2.0, series3, type3);        dataset.addValue(3.0, series3, type4);        dataset.addValue(6.0, series3, type5);        dataset.addValue(3.0, series3, type6);        dataset.addValue(4.0, series3, type7);        dataset.addValue(3.0, series3, type8);                         // create the chart...        JFreeChart chart = ChartFactory.createLineChart(            "血压水平分布图",       // chart title            "Type",                    // domain axis label            "Value",                   // range axis label            dataset,                   // data            PlotOrientation.VERTICAL,  // orientation            true,                      // include legend            true,                      // tooltips            false                      // urls        );        // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...        StandardLegend legend = (StandardLegend) chart.getLegend();        legend.setDisplaySeriesShapes(true);        legend.setShapeScaleX(1.5);        legend.setShapeScaleY(1.5);        legend.setDisplaySeriesLines(true);           CategoryPlot plot = chart.getCategoryPlot();        // customise the range axis...        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());        rangeAxis.setAutoRangeIncludesZero(true);        rangeAxis.setUpperMargin(0.20);        rangeAxis.setLabelAngle(Math.PI / 2.0);            LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();          renderer.setItemLabelsVisible(true);                   String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, null, session); String graphURL = request.getContextPath() + "/DisplayChart?filename=" + filename; %> <img src="<%= graphURL %>" width=500 height=300 border=0 usemap="#<%= filename %>">

XY曲线图 xy.jsp :

<%@ page contentType="text/html;charset=GBK"%> <%@ page import =" java.awt.*"%> <%@ page import = " java.awt.geom.Ellipse2D"%> <%@ page import = " java.io.PrintWriter"%> <%@ page import = " java.text.SimpleDateFormat"%> <%@ page import = " java.util.Date"%> <%@ page import = " java.util.ArrayList"%> <%@ page import = " java.util.Iterator"%> <%@ page import = " java.util.Locale"%> <%@ page import = " java.text.NumberFormat"%> <%@ page import = " javax.servlet.http.HttpSession"%> <%@ page import = " org.jfree.data.*"%> <%@ page import = " org.jfree.chart.*"%> <%@ page import = " org.jfree.chart.axis.*"%> <%@ page import = " org.jfree.chart.renderer.BarRenderer"%> <%@ page import = " org.jfree.chart.renderer.StandardXYItemRenderer"%> <%@ page import = " org.jfree.chart.renderer.StackedXYAreaRenderer"%> <%@ page import = " org.jfree.chart.renderer.XYAreaRenderer"%> <%@ page import = " org.jfree.chart.plot.*"%> <%@ page import = " org.jfree.chart.entity.*"%> <%@ page import = " org.jfree.chart.labels.*"%> <%@ page import = " org.jfree.chart.urls.*"%> <%@ page import ="org.jfree.chart.servlet.*"%> <%@ page import = "java.io.PrintWriter"%> <%@ page import = "java.util.ArrayList"%> <%@ page import = "java.util.Iterator,org.jfree.data.time.*,java.awt.Font"%> <% XYSeries dataSeries = new XYSeries("增长");      for (int i = 0; i <= 10; i++) { int x=(int) (100*Math.random()); int y=(int) (100*Math.random()); dataSeries.add(x,y); } XYSeries dataSeries1 = new XYSeries("趋势");      for (int j = 0; j <= 100; j++) { int x=(int) (100*Math.random()); int y=(int) (100*Math.random()); dataSeries1.add(j,40); } XYSeriesCollection xyDataset = new XYSeriesCollection(); xyDataset.addSeries(dataSeries); xyDataset.addSeries(dataSeries1); String filename = ""; SimpleDateFormat sdf = new SimpleDateFormat("dd-MMM-yyyy", Locale.UK); StandardXYToolTipGenerator ttg = new StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,sdf,NumberFormat.getInstance()); TimeSeriesURLGenerator urlg = new TimeSeriesURLGenerator(sdf, "pie_chart.jsp", "series", "hitDate"); //  Create the chart object ValueAxis xAxis = new NumberAxis("X轴坐标"); //x轴坐标 ValueAxis yAxis = new NumberAxis("Y轴坐标"); //y轴坐标 StandardXYItemRenderer renderer = new StandardXYItemRenderer(StandardXYItemRenderer.LINES ,ttg, urlg); renderer.setShapesFilled(true);              Font font=new Font("黑体",Font.TRUETYPE_FONT, 12); XYPlot plot = new XYPlot(xyDataset, xAxis, yAxis, renderer); JFreeChart chart = new JFreeChart("测试曲线图", font, plot, true); chart.setBackgroundPaint(java.awt.Color.white);             //  Write the chart image to the temporary directory ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection()); filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, info, session);     String graphURL = request.getContextPath() + "/DisplayChart?filename=" + filename;%> <html> <head> </head> <body> <table border=0> <tr> <td>    <br> <img src="<%= graphURL %>" width=500 height=300 border=0 usemap="#<%= filename %>"> </td> </tr> </table> </body> </html>

时间曲线图 timeserver.jsp :

<%@ page contentType="text/html;charset=GBK"%> <%@ page import = "org.jfree.chart.ChartFactory,                   org.jfree.chart.ChartPanel,                   org.jfree.chart.JFreeChart,   org.jfree.chart.servlet.ServletUtilities,   org.jfree.chart.*,   org.jfree.chart.StandardLegend,   org.jfree.chart.axis.DateAxis,   org.jfree.chart.plot.XYPlot,   org.jfree.chart.renderer.StandardXYItemRenderer,   org.jfree.chart.renderer.XYItemRenderer,   org.jfree.data.XYDataset,   org.jfree.data.time.Month,   org.jfree.data.time.TimeSeries,   org.jfree.data.time.TimeSeriesCollection "%> <%        TimeSeries s1 = new TimeSeries("L&G European Index Trust", Month.class);        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("L&G UK Index Trust", Month.class);        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);        dataset.setDomainIsPointsInTime(true); JFreeChart chart = ChartFactory.createTimeSeriesChart(            "Legal & General Unit Trust Prices",            "Date", "Price Per Unit",            dataset,            true,            true,            false        );        //chart.setBackgroundPaint(Color.white);        StandardLegend sl = (StandardLegend) chart.getLegend();        sl.setDisplaySeriesShapes(true);        XYPlot plot = chart.getXYPlot();       // plot.setBackgroundPaint(Color.lightGray);        //plot.setDomainGridlinePaint(Color.white);        //plot.setRangeGridlinePaint(Color.white);       //plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));        plot.setDomainCrosshairVisible(true);        plot.setRangeCrosshairVisible(true);                XYItemRenderer renderer = plot.getRenderer();        if (renderer instanceof StandardXYItemRenderer) {            StandardXYItemRenderer rr = (StandardXYItemRenderer) renderer;            rr.setPlotShapes(true);            rr.setShapesFilled(true);        }                DateAxis axis = (DateAxis) plot.getDomainAxis();        //axis.setDateFormatOverride(new SimpleDateFormat("MM-yyyy"));   String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, null, session); String graphURL = request.getContextPath() + "/DisplayChart?filename=" + filename; %> <img src="<%= graphURL %>" width=500 height=300 border=0 usemap="#<%= filename %>">

其他曲线图 MultipleAxisDemo.jsp :

<%@ page contentType="text/html;charset=GBK"%> <%@ page import = "org.jfree.chart.ChartFactory,                   org.jfree.chart.ChartPanel,                   org.jfree.chart.JFreeChart,   org.jfree.chart.servlet.ServletUtilities,   org.jfree.chart.axis.AxisLocation,   org.jfree.chart.axis.NumberAxis,   org.jfree.chart.plot.PlotOrientation,   org.jfree.chart.plot.XYPlot,   org.jfree.chart.renderer.StandardXYItemRenderer,   org.jfree.chart.title.TextTitle,   org.jfree.data.XYDataset,   org.jfree.data.time.Minute,   org.jfree.data.time.RegularTimePeriod,   org.jfree.data.time.TimeSeries,   org.jfree.data.time.TimeSeriesCollection    "%> <% String name="Series 1"; double base=100.0; RegularTimePeriod start=new Minute(); int count=200;  TimeSeries series = new TimeSeries(name, start.getClass());        RegularTimePeriod period = start;        double value = base;        for (int i = 0; i < count; i++) {            series.add(period, value);                period = period.next();            value = value * (1 + (Math.random() - 0.495) / 10.0);        }        TimeSeriesCollection dataset = new TimeSeriesCollection();        dataset.addSeries(series);                JFreeChart chart = ChartFactory.createTimeSeriesChart(            "Multiple Axis Demo 1",            "Time of Day",            "Primary Range Axis",            dataset,            true,            true,            false        );        //chart.setBackgroundPaint(Color.white);        chart.addSubtitle(new TextTitle("Four datasets and four range axes."));          XYPlot plot = chart.getXYPlot();        plot.setOrientation(PlotOrientation.VERTICAL);        //plot.setBackgroundPaint(Color.lightGray);        //plot.setDomainGridlinePaint(Color.white);        //plot.setRangeGridlinePaint(Color.white);                //plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));                StandardXYItemRenderer renderer = (StandardXYItemRenderer) plot.getRenderer();        //renderer.setPaint(Color.black);              /* // AXIS 2        NumberAxis axis2 = new NumberAxis("Range Axis 2");        axis2.setAutoRangeIncludesZero(false);        //axis2.setLabelPaint(Color.red);        //axis2.setTickLabelPaint(Color.red);        //plot.setSecondaryRangeAxis(0, axis2);        //plot.setSecondaryRangeAxisLocation(0, AxisLocation.BOTTOM_OR_LEFT);        XYDataset dataset2 = createDataset("Series 2", 1000.0, new Minute(), 170);        plot.setSecondaryDataset(0, dataset2);        plot.mapSecondaryDatasetToRangeAxis(0, new Integer(0));        plot.setSecondaryRenderer(0, new StandardXYItemRenderer());       // plot.getSecondaryRenderer(0).setSeriesPaint(0, Color.red);                // AXIS 3        NumberAxis axis3 = new NumberAxis("Range Axis 3");        //axis3.setLabelPaint(Color.blue);        //axis3.setTickLabelPaint(Color.blue);        //plot.setSecondaryRangeAxis(1, axis3);        XYDataset dataset3 = createDataset("Series 3", 10000.0, new Minute(), 170);        plot.setSecondaryDataset(1, dataset3);        plot.mapSecondaryDatasetToRangeAxis(1, new Integer(1));                plot.setSecondaryRenderer(1, new StandardXYItemRenderer());       //plot.getSecondaryRenderer(1).setSeriesPaint(0, Color.blue);        // AXIS 4                NumberAxis axis4 = new NumberAxis("Range Axis 4");        axis4.setLabelPaint(Color.green);        axis4.setTickLabelPaint(Color.green);       // plot.setSecondaryRangeAxis(2, axis4);                XYDataset dataset4 = createDataset("Series 4", 25.0, new Minute(), 200);        plot.setSecondaryDataset(2, dataset4);        plot.mapSecondaryDatasetToRangeAxis(2, new Integer(2));                plot.setSecondaryRenderer(2, new StandardXYItemRenderer());        //plot.getSecondaryRenderer(2).setSeriesPaint(0, Color.green);       */                   String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, null, session); String graphURL = request.getContextPath() + "/DisplayChart?filename=" + filename; %> <img src="<%= graphURL %>" width=500 height=300 border=0 usemap="#<%= filename %>">

注意以上代码，均在：jfreechart-0.9.20.jar、jcommon-0.9.5.jar下调试通过！

web.xml配置servlet代码：

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app>  <servlet>    <servlet-name>DisplayChart</servlet-name>    <servlet-class>org.jfree.chart.servlet.DisplayChart</servlet-class>  </servlet>   <servlet-mapping>        <servlet-name>DisplayChart</servlet-name>        <url-pattern>/DisplayChart</url-pattern>    </servlet-mapping> </web-app>