JFreeChart简单小例子

 http://binfenghu.blog.163.com/blog/static/202820029201272124149479/

1.在D盘建一个temp文件夹，作为图标生成的位置

2.将以下代码复制到程序中运行

 

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import java.awt.Font;

import java.awt.RenderingHints;

import java.io.File;

import java.io.IOException;

 

import org.jfree.chart.ChartColor;

import org.jfree.chart.ChartFactory;

import org.jfree.chart.ChartUtilities;

import org.jfree.chart.JFreeChart;

import org.jfree.chart.StandardChartTheme;

import org.jfree.chart.plot.CategoryPlot;

import org.jfree.chart.plot.PiePlot3D;

import org.jfree.chart.plot.Plot;

import org.jfree.chart.plot.PlotOrientation;

import org.jfree.data.category.DefaultCategoryDataset;

import org.jfree.data.general.DefaultPieDataset;

import org.jfree.util.Rotation;

 

public class CreateChart {

 

       public static void main(String[] args) {

            CreateChart cc = new CreateChart();

            cc.setChartTheme();

            cc.createPieChart();

            cc.createPieChart3D();

            cc.createColumnChart();

            cc.createColumnChart3D();

            cc.createLineChart();

            cc.createLineChart3D();

      }

 

       /**

       * 防止中文乱码，设置图表主题的默认实现

       *

       * @return

       */

       @SuppressWarnings ("serial" )

       public void setChartTheme() {

            StandardChartTheme theme = new StandardChartTheme("CN" ) {

                   // 重写apply(...)方法借机消除文字锯齿.VALUE_TEXT_ANTIALIAS_OFF

                   public void apply(JFreeChart chart) {

                        chart.getRenderingHints().put(

                                    RenderingHints. KEY_TEXT_ANTIALIASING ,

                                    RenderingHints. VALUE_TEXT_ANTIALIAS_OFF );

                         super .apply(chart);

                  }

            };

             // 标题乱码解决

            theme.setExtraLargeFont( new Font("宋体" , Font. PLAIN, 20));

             // 图例乱码解决

            theme.setRegularFont( new Font("宋体" , Font. PLAIN, 12));

            theme.setLargeFont( new Font("宋体" , Font. PLAIN, 14));

            theme.setSmallFont( new Font("宋体" , Font. PLAIN, 10));

            theme.setBaselinePaint(java.awt.Color. white );

             // 应用主题样式

            ChartFactory. setChartTheme(theme);

      }

 

       /**

       * 饼状图

       */

       public void createPieChart() {

            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. createPieChart( "水果产量比率图" , dataset,

                         true , true , true);

 

            Plot cp = chart.getPlot();

            cp.setBackgroundPaint(ChartColor. WHITE ); // 背景色设置

 

             // ChartFrame frame = new ChartFrame("水果产量比率图 ", chart, true);

             // frame.pack();

             // frame.setVisible(true);

 

             try {

                  ChartUtilities. saveChartAsPNG( new File("D:/temp/PieChart.png" ),

                              chart, 800, 500);

            } catch (IOException e) {

                  e.printStackTrace();

            }

      }

 

       /**

       * 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);

            PiePlot3D plot = (PiePlot3D) chart.getPlot();

             // 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(0.5F);

             // 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 );

             // ChartFrame frame = new ChartFrame("水果产量比率图 ", chart, true);

             // frame.pack();

             // frame.setVisible(true);

 

             try {

                  ChartUtilities. saveChartAsPNG( new File("D:/temp/PieChart3D.png" ),

                              chart, 800, 500);

            } catch (IOException e) {

                  e.printStackTrace();

            }

      }

 

       /**

       * 柱状图

       */

       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 );

 

            CategoryPlot cp = chart.getCategoryPlot();

            cp.setBackgroundPaint(ChartColor. WHITE ); // 背景色设置

            cp.setRangeGridlinePaint(ChartColor. GRAY ); // 网格线色设置

 

             // ChartFrame frame=new ChartFrame ("水果产量图 ",chart,true);

             // frame.pack();

             // frame.setVisible(true);

 

             try {

                  ChartUtilities. saveChartAsPNG( new File("D:/temp/ColumnChart.png" ),

                              chart, 800, 500);

            } catch (IOException e) {

                  e.printStackTrace();

            }

      }

 

       /**

       * 3D柱状图

       */

       public void createColumnChart3D() {

            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. createBarChart3D( "水果产量图", "水果" , "产量" ,

                        dataset, PlotOrientation. VERTICAL , true , true, true );

 

            CategoryPlot cp = chart.getCategoryPlot();

            cp.setBackgroundPaint(ChartColor. WHITE ); // 背景色设置

            cp.setRangeGridlinePaint(ChartColor. GRAY ); // 网格线色设置

 

             // ChartFrame frame=new ChartFrame ("水果产量图 ",chart,true);

             // frame.pack();

             // frame.setVisible(true);

 

             try {

                  ChartUtilities. saveChartAsPNG(

                               new File("D:/temp/ColumnChart3D.png" ), chart, 800, 500);

            } catch (IOException e) {

                  e.printStackTrace();

            }

      }

 

       /**

       * 线状图

       */

       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 cp = chart.getCategoryPlot();

            cp.setBackgroundPaint(ChartColor. WHITE ); // 背景色设置

            cp.setRangeGridlinePaint(ChartColor. GRAY ); // 网格线色设置

 

             // ChartFrame frame=new ChartFrame ("水果产量图 ",chart,true);

             // frame.pack();

             // frame.setVisible(true);

 

             try {

                  ChartUtilities. saveChartAsPNG( new File("D:/temp/LineChart.png" ),

                              chart, 800, 500);

            } catch (IOException e) {

                  e.printStackTrace();

            }

      }

 

       /**

       * 3D线状图

       */

       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 cp = chart.getCategoryPlot();

            cp.setBackgroundPaint(ChartColor. WHITE ); // 背景色设置

            cp.setRangeGridlinePaint(ChartColor. GRAY ); // 网格线色设置

 

             // ChartFrame frame=new ChartFrame ("水果产量图 ",chart,true);

             // frame.pack();

             // frame.setVisible(true);

 

             try {

                  ChartUtilities. saveChartAsPNG( new File("D:/temp/LineChart3D.png" ),

                              chart, 800, 500);

            } catch (IOException e) {

                  e.printStackTrace();

            }

      }

}

 

3.代码生成的图表示例