JFreeChart 柱形图、折线图、饼图、条形图

1. import java.awt.Font;
   import java.io.IOException;
   
   import javax.servlet.ServletException;
   import javax.servlet.http.HttpServlet;
   import javax.servlet.http.HttpServletRequest;
   import javax.servlet.http.HttpServletResponse;
   
   import org.jfree.chart.ChartFactory;
   import org.jfree.chart.ChartUtilities;
   import org.jfree.chart.JFreeChart;
   import org.jfree.chart.axis.CategoryAxis;
   import org.jfree.chart.axis.ValueAxis;
   import org.jfree.chart.plot.CategoryPlot;
   import org.jfree.chart.plot.PlotOrientation;
   import org.jfree.data.category.DefaultCategoryDataset;
   
   public class CategoryServlet extends HttpServlet {
   
       /**
        *
        */
       private static final long serialVersionUID = 6228999300370044372L;
   
       /**
        * The doGet method of the servlet. <br>
        *
        * This method is called when a form has its tag value method equals to get.
        *
        * @param request the request send by the client to the server
        * @param response the response send by the server to the client
        * @throws ServletException if an error occurred
        * @throws IOException if an error occurred
        */
       public void doGet(HttpServletRequest request, HttpServletResponse response)
               throws ServletException, IOException {
   
           response.setContentType("image/jpeg");
           //创建3D柱形图
           DefaultCategoryDataset dataset = new DefaultCategoryDataset();
           dataset.addValue(610, "广州", "猪肉");
           dataset.addValue(220, "广州", "牛肉");
           dataset.addValue(530, "广州", "鸡肉");
           dataset.addValue(340, "广州", "鱼肉");
   
           JFreeChart chart = ChartFactory.createBarChart3D("肉类销量统计图", "肉类",
                   "销量", dataset, PlotOrientation.VERTICAL, true, false,
                   false);
   
           Font font = new Font("宋体", 0, 12);//创建字体对象
           chart.getLegend().setItemFont(font);//设置图例字体
           chart.getTitle().setFont(font);//设置标题字体
           CategoryPlot plot = chart.getCategoryPlot();
   
           CategoryAxis domainAxis = plot.getDomainAxis();
           domainAxis.setTickLabelFont(font);//设置X轴坐标上的文字
           domainAxis.setLabelFont(font);//设置X轴标题上的文字
   
           ValueAxis rangeAxis = plot.getRangeAxis();
           rangeAxis.setTickLabelFont(font);//设置Y轴坐标上的文字
           rangeAxis.setLabelFont(font);//设置Y轴标题上的文字
   
           // 输出图片
           ChartUtilities.writeChartAsJPEG(response.getOutputStream(),0.5f,chart,800,600,null);
       }
   
   }

    2.

   import java.awt.Font;
   import java.io.IOException;
   
   import javax.servlet.ServletException;
   import javax.servlet.http.HttpServlet;
   import javax.servlet.http.HttpServletRequest;
   import javax.servlet.http.HttpServletResponse;
   
   import org.jfree.chart.ChartFactory;
   import org.jfree.chart.ChartUtilities;
   import org.jfree.chart.JFreeChart;
   import org.jfree.chart.plot.PiePlot;
   import org.jfree.data.general.DefaultPieDataset;
   
   public class PieServlet extends HttpServlet {
   
       /**
        *
        */
       private static final long serialVersionUID = 8827627228843788090L;
   
       /**
        * The doGet method of the servlet. <br>
        *
        * This method is called when a form has its tag value method equals to get.
        *
        * @param request
        *            the request send by the client to the server
        * @param response
        *            the response send by the server to the client
        * @throws ServletException
        *             if an error occurred
        * @throws IOException
        *             if an error occurred
        */
       public void doGet(HttpServletRequest request, HttpServletResponse response)
               throws ServletException, IOException {
   
           response.setContentType("image/jpeg");
   
           // 设置数据集
           DefaultPieDataset dataset = new DefaultPieDataset();
           dataset.setValue("初中高级程序员", 0.55);
           dataset.setValue("项目经理", 0.1);
           dataset.setValue("系统分析师", 0.1);
           dataset.setValue("软件架构师", 0.1);
           dataset.setValue("其他", 0.2);
   
           //创建3D饼图
           JFreeChart chart = ChartFactory.createPieChart3D("饼图", // chart title
                   dataset,// data
                   true, // include legend
                   true,
                   false);
   
           // 设置图表属性
           PiePlot piePlot = (PiePlot) chart.getPlot();
           piePlot.setCircular(true);//饼图是否一定是正圆
           Font font = new Font("宋体", 0, 12);//创建字体对象
           piePlot.setLabelFont(font);//设置标签字体
           chart.getTitle().setFont(font);//设置标题字体
   
           //没有数据的时候显示的内容
           piePlot.setNoDataMessage("无数据显示");
           piePlot.setCircular(false);
           piePlot.setLabelGap(0.02D);
   
           // 输出图片
           ChartUtilities.writeChartAsJPEG(response.getOutputStream(),0.5f,chart,800,600,null);
       }
   
   }

2.  3.

   import java.awt.Font;
   import java.io.FileNotFoundException;
   import java.io.FileOutputStream;
   import java.io.IOException;
   
   import org.jfree.chart.ChartFactory;
   import org.jfree.chart.ChartUtilities;
   import org.jfree.chart.JFreeChart;
   import org.jfree.chart.plot.PlotOrientation;
   import org.jfree.data.category.DefaultCategoryDataset;
   
   /**
    *
    * 折线图
    */
   
   public class PolyLine {
   
       public static void createPolyLine() {
   
           /*
            *
            * 报表字体
            */
   
           final Font CHART_FONT = new Font("宋体", 12, 12);
   
           DefaultCategoryDataset dataset = new DefaultCategoryDataset();
           dataset.addValue(100, "ten", "jfree");
           dataset.addValue(150, "ten", "chart");
           dataset.addValue(300, "ten", "struts");
           dataset.addValue(100, "ten", "hibernate");
   
           /*
            *
            * 三维折线图把createLineChart换成createLineChart3D就可以实现三维折线图。
            */
           JFreeChart chart = ChartFactory.createLineChart3D(
                   "chart", // 标题
                   "num", // 横坐标
                   "type", // 纵坐标
                   dataset, // 数据
                   PlotOrientation.VERTICAL, // 竖直图表
                   true, // 是否显示legend
                   false, // 是否显示tooltip
                   false // 是否使用url链接
                   );
           // XYPlot plot = null;
           // 设置字体,解决中文乱码问题
           chart.getTitle().setFont(CHART_FONT);
           chart.getLegend().setItemFont(CHART_FONT);
           // plot.getRangeAxis().setLabelFont(CHART_FONT);
           // plot.getDomainAxis().setLabelFont(new Font("宋体", 12, 24));
           FileOutputStream fos = null;
           try {
               fos = new FileOutputStream("src/poly3d.png");
               ChartUtilities.writeChartAsPNG(fos, chart, 400, 300);
           } catch (FileNotFoundException e) {
               e.printStackTrace();
           } catch (IOException e) {
               e.printStackTrace();
           } finally {
               try {
                   fos.close();
               } catch (IOException e) {
                   e.printStackTrace();
               }
           }
       }
   
       public static void main(String[] args) {
   
           PolyLine.createPolyLine();
   
       }
   }

    
3. 饼图

   import java.awt.Color;
   import java.awt.Dimension;
   import java.awt.Font;
   import java.text.NumberFormat;
   
   import javax.swing.JPanel;
   
   import org.jfree.chart.ChartFactory;
   import org.jfree.chart.ChartPanel;
   import org.jfree.chart.JFreeChart;
   import org.jfree.chart.StandardChartTheme;
   import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
   import org.jfree.chart.plot.PiePlot;
   import org.jfree.data.general.DefaultPieDataset;
   import org.jfree.ui.ApplicationFrame;
   import org.jfree.ui.RefineryUtilities;
   
   public class Test1 extends ApplicationFrame {
       /**
        *
        */
       private static final long serialVersionUID = -8028194135638567202L;
   
       public static final Font DEFAULT_FONT = new Font("宋体", Font.PLAIN, 12);
   
       public Test1(String title) {
           super(title);
           JPanel localJPanel = createDemoPanel();
           localJPanel.setPreferredSize(new Dimension(500, 270));
           setContentPane(localJPanel);
       }
   
       public static JPanel createDemoPanel() {
           DefaultPieDataset defaultpiedataset = createDataset();
   
           ChartFactory.setChartTheme(createStandardChartTheme());
   
           JFreeChart jfreechart = ChartFactory.createPieChart("饼图",
                   defaultpiedataset, true, true, false);
   
           jfreechart.setBackgroundPaint(new Color(222, 222, 255));
           //获取PiePlot对象，用于设置饼图的相关属性，如：颜色、形状……
           PiePlot pieplot = (PiePlot) jfreechart.getPlot();
           pieplot.setSectionPaint("壹", new Color(222, 222, 255));
           pieplot.setBackgroundPaint(Color.white);
           pieplot.setCircular(true);
           //自定义显示百分比样式
           //图片中显示百分比：自定义方式，{0} 表示选项，{1} 表示数值， {2} 表示所占百分比
           pieplot.setLabelGenerator(new StandardPieSectionLabelGenerator(
           "{0} = {2}", NumberFormat.getNumberInstance(), NumberFormat.getPercentInstance()));
           //设置图片突起部分
   //      pieplot.setExplodePercent("Section 1", 0.5D);
           pieplot.setNoDataMessage("No data available");
           ChartPanel chartpanel = new ChartPanel(jfreechart);
           chartpanel.setPreferredSize(new Dimension(500, 270));
           //旋转
   //      Rotator rotator = new Rotator(pieplot);
   //      rotator.start();
           return chartpanel;
       }
   
       private static DefaultPieDataset createDataset() {
           DefaultPieDataset defaultpiedataset = new DefaultPieDataset();
           defaultpiedataset.setValue("壹", 23.3);
           defaultpiedataset.setValue("贰", 56.5);
           defaultpiedataset.setValue("参", 43.3);
           defaultpiedataset.setValue("肆", 11.1);
           return defaultpiedataset;
       }
   
       /**
        * @param args
        */
       public static void main(String[] args) {
           Test1 test1 = new Test1("");
           test1.pack();
           RefineryUtilities.centerFrameOnScreen(test1);
           test1.setVisible(true);
       }
   
       //设计饼图的一个标准模板
       public static StandardChartTheme createStandardChartTheme() {
           //创建主题样式
           StandardChartTheme standardChartTheme = new StandardChartTheme("CN");
           //设置标题字体
           standardChartTheme.setExtraLargeFont(DEFAULT_FONT);
           //设置图例子图
           standardChartTheme.setRegularFont(DEFAULT_FONT);
           //设置轴向字体
           standardChartTheme.setLargeFont(DEFAULT_FONT);
           return standardChartTheme;
       }
   
   }

    
4. 条形图

   import java.awt.Color;
   import java.awt.Dimension;
   import java.awt.Font;
   import java.awt.GradientPaint;
   
   import org.jfree.chart.ChartFactory;
   import org.jfree.chart.ChartPanel;
   import org.jfree.chart.JFreeChart;
   import org.jfree.chart.axis.CategoryAxis;
   import org.jfree.chart.axis.CategoryLabelPositions;
   import org.jfree.chart.axis.NumberAxis;
   import org.jfree.chart.plot.CategoryPlot;
   import org.jfree.chart.plot.PlotOrientation;
   import org.jfree.chart.renderer.category.BarRenderer;
   import org.jfree.data.category.CategoryDataset;
   import org.jfree.data.category.DefaultCategoryDataset;
   import org.jfree.ui.ApplicationFrame;
   import org.jfree.ui.RefineryUtilities;
   
   public class Test2 extends ApplicationFrame {
   
       /**
        *
        */
       private static final long serialVersionUID = 1107365396303352467L;
   
       public static final Font DEFAULT_FONT = new Font("宋体", Font.PLAIN, 12);
   
       public Test2(String title) {
           super(title);
           JFreeChart chart = createChart(createDataset());
           ChartPanel chartPanel = new ChartPanel(chart, false);
           chartPanel.setPreferredSize(new Dimension(500, 270));
           setContentPane(chartPanel);
       }
       private CategoryDataset createDataset() {
           DefaultCategoryDataset dataset = new DefaultCategoryDataset();
           dataset.addValue(1.0, "Row 1", "Column 1");
           dataset.addValue(5.0, "Row 1", "Column 2");
           dataset.addValue(3.0, "Row 1", "Column 3");
           dataset.addValue(2.0, "Row 2", "Column 1");
           dataset.addValue(3.0, "Row 2", "Column 2");
           dataset.addValue(2.0, "Row 2", "Column 3");
           return dataset;
       }
   
       private JFreeChart createChart(CategoryDataset dataset) {
           JFreeChart chart = ChartFactory.createBarChart("BarChartDemo", // chart title
           "Category", // domain axis label
           "Value", // range axis label
           dataset, // data
           PlotOrientation.VERTICAL, // orientation
           true, // include legend
           true, // tooltips?
           false // URLs?
           );
           chart.setBackgroundPaint(Color.white);
           CategoryPlot plot = (CategoryPlot) chart.getPlot();
           plot.setBackgroundPaint(Color.lightGray);
           plot.setRangeGridlinePaint(Color.white);
   
           //刻度轴刻度设置
           NumberAxis numberaxis = (NumberAxis) plot.getRangeAxis();
           numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
           //设置颜色
           BarRenderer renderer = (BarRenderer) plot.getRenderer();
           renderer.setSeriesPaint(0, Color.gray);
           renderer.setSeriesPaint(1, Color.orange);
           renderer.setDrawBarOutline(false);
   
           renderer.setDrawBarOutline(false);//设置外廓线不可见
           GradientPaint gradientpaint = new GradientPaint(0.0F, 0.0F, Color.blue,
           0.0F, 0.0F, new Color(0, 0, 64));
           GradientPaint gradientpaint_7_ = new GradientPaint(0.0F, 0.0F,
           Color.green, 0.0F, 0.0F, new Color(0, 64, 0));
           GradientPaint gradientpaint_8_ = new GradientPaint(0.0F, 0.0F,
           Color.red, 0.0F, 0.0F, new Color(64, 0, 0));
           renderer.setSeriesPaint(0, gradientpaint);
           renderer.setSeriesPaint(1, gradientpaint_7_);
           renderer.setSeriesPaint(2, gradientpaint_8_);
           //设置种类里直方条形图之间的空间
           renderer.setItemMargin(0.0);
           //设置种类标签旋转的角度，逆时针旋转
           CategoryAxis categoryaxis = plot.getDomainAxis();
           categoryaxis.setCategoryLabelPositions(CategoryLabelPositions
           .createUpRotationLabelPositions(Math.PI / 6));
           return chart;
       }
       /**
        * @param args
        */
       public static void main(String[] args) {
           Test2 demo = new Test2("Bar Demo");
           demo.pack();
           RefineryUtilities.centerFrameOnScreen(demo);
           demo.setVisible(true);
       }
   
   }

转载自：http://yanqihubian.iteye.com/blog/1499385