[转载]JFreeChart创建图表制作过程及支持
一般的创建图表的过程为：
1． 从数据库里读取数据
2． 将数据保存到图表对应的数据集对象中
3． 创建坐标轴对象
4． 创建Renderer对象
5． 创建Plot对象
6． 创建JfreeChart对象
7． 生成图片文件（或者二进制流）
JFreeChart支持的图表类型总结
图表类型 工厂类方法 数据集类型 备注 柱状图 createBarChart CategoryDataset 柱状图3D createBarChart3D CategoryDataset 饼图 createPieChart PieDataset 饼图3D createPieChart3D PieDataset 线图 createLineChart CategoryDataset 线图3D createLineChart3D CategoryDataset 复合饼图 createMultiplePieChart CategoryDataset 需要设置TableOrder 复合饼图3D createMultiplePieChart3D CategoryDataset 环形图 createRingChart PieDataset 瀑布图 createWaterfallChart CategoryDataset 柱图特殊形式 面积图 createAreaChart CategoryDataset 散点图 createScatterPlot XYSeriesCollection 组织图 createHistogram XYSeriesCollection 数据点阶梯图 createXYStepChart XYSeriesCollection 堆积面积图 createStackedAreaChart CategoryDataset 堆积柱状图 createStackedBarChart CategoryDataset 堆积柱状图3D createStackedBarChart3D CategoryDataset 数据点线图 createXYLineChart XYSeriesCollection 数据点面积图 createXYAreaChart XYSeriesCollection 数据点阶梯面积图 createXYStepAreaChart XYSeriesCollection 堆积数据点面积图 createStackedXYAreaChart TableXYDataset 时序图 createTimeSeriesChart XYDataset 晶片图 createWaferMapChart WaferMapDataset WindPlot createWindPlot WindDataset 极线图 createPolarChart XYDataset 气泡图 createBubbleChart XYZDataset BoxAndWhiskerChart createBoxAndWhiskerChart BoxAndWhiskerXYDataset 烛台图 createCandlestickChart OHLCDataset 股价图 createHighLowChart OHLCDataset 2种 时间线差别 甘特图 createGanttChart IntervalCategoryDataset 数据点柱状图 createXYBarChart IntervalXYDataset
private static PieDataset createDataset(){DefaultPieDataset defaultpiedataset = new DefaultPieDataset(); defaultpiedataset.setValue(”One”, new Double(43.200000000000003D));defaultpiedataset.setValue(”Two”, new Double(10D));defaultpiedataset.setValue(”Three”, new Double(27.5D));defaultpiedataset.setValue(”Four”, new Double(17.5D));return defaultpiedataset;}2、由ChartFactory 产生 JFreeChart 对象private static JFreeChart createChart(PieDataset piedataset){JFreeChart jfreechart = ChartFactory.createPieChart(”Pie Chart Demo 1″, //图形标题名称piedataset, // datasettrue, // legend?true, // tooltips?false); //URLs?PiePlot pieplot = (PiePlot)jfreechart.getPlot(); //通过JFreeChart 对象获得 plot：PiePlot！！pieplot.setNoDataMessage(”No data available”); // 没有数据的时候显示的内容return jfreechart;}private static CategoryDataset createDataset(){String series1 = “First”;String series2 = “Second”;String series3 = “Third”;String category1 = “Category 1″;String category2 = “Category 2″;String category3 = “Category 3″;String category4 = “Category 4″;String category5 = “Category 5″;DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();defaultcategorydataset.addValue(1.0D, series1, category1);defaultcategorydataset.addValue(4D, series1, category2);defaultcategorydataset.addValue(3D, series1, category3);defaultcategorydataset.addValue(5D, series1, category4);defaultcategorydataset.addValue(5D, series1, category5);defaultcategorydataset.addValue(5D, series2, category1);defaultcategorydataset.addValue(7D, series2, category2);defaultcategorydataset.addValue(6D, series2, category3);defaultcategorydataset.addValue(8D, series2, category4);defaultcategorydataset.addValue(4D, series2, category5);defaultcategorydataset.addValue(4D, series3, category1);defaultcategorydataset.addValue(3D, series3, category2);defaultcategorydataset.addValue(2D, series3, category3);defaultcategorydataset.addValue(3D, series3, category4);defaultcategorydataset.addValue(6D, series3, category5);return defaultcategorydataset;}private static JFreeChart createChart(CategoryDataset categorydataset){JFreeChart jfreechart = ChartFactory.createBarChart(”Bar Chart Demo”, // 标题“Category”,//domain 轴 Lable这里先简单理解为横坐标Lable好了“Value”, //range 轴 Lable这里也先简单理解为纵坐标Lable好了categorydataset, // datasetPlotOrientation.VERTICAL, //垂直显示true, // legend?true, // tooltips?false); //URLs?jfreechart.setBackgroundPaint(Color.white); //设定背景色为白色CategoryPlot categoryplot = jfreechart.getCategoryPlot(); //获得 plot：CategoryPlot！！categoryplot.setBackgroundPaint(Color.lightGray); //设定图表数据显示部分背景色categoryplot.setDomainGridlinePaint(Color.white); //横坐标网格线白色categoryplot.setDomainGridlinesVisible(true); //可见categoryplot.setRangeGridlinePaint(Color.white); //纵坐标网格线白色//下面两行使纵坐标的最小单位格为整数NumberAxis numberaxis = (NumberAxis)categoryplot.getRangeAxis();numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());BarRenderer barrenderer = (BarRenderer)categoryplot.getRenderer(); //获得renderer 注意这里是下嗍造型到BarRenderer！！barrenderer.setDrawBarOutline(false); // Bar的外轮廓线不画GradientPaint gradientpaint = new GradientPaint(0.0F, 0.0F, Color.blue,0.0F, 0.0F, new Color(0, 0, 64)); //设定特定颜色GradientPaint gradientpaint1 = new GradientPaint(0.0F, 0.0F, Color.green,0.0F, 0.0F, new Color(0, 64, 0));GradientPaint gradientpaint2 = new GradientPaint(0.0F, 0.0F, Color.red,0.0F, 0.0F, new Color(64, 0, 0));barrenderer.setSeriesPaint(0, gradientpaint); //给series1 Bar设定上面定义的颜色barrenderer.setSeriesPaint(1, gradientpaint1); //给series2 Bar 设定上面定义的颜色barrenderer.setSeriesPaint(2, gradientpaint2); //给series3 Bar 设定上面定义的颜色CategoryAxis categoryaxis = categoryplot.getDomainAxis(); //横轴上的 Lable 45度倾斜categoryaxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);return jfreechart;}private static CategoryDataset createDataset(){String series1 = “First”;String series2 = “Second”;String series3 = “Third”;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″;DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();defaultcategorydataset.addValue(1.0D, series1, type1);defaultcategorydataset.addValue(4D, series1, type2);defaultcategorydataset.addValue(3D, series1, type3);defaultcategorydataset.addValue(5D, series1, type4);defaultcategorydataset.addValue(5D, series1, type5);defaultcategorydataset.addValue(7D, series1, type6);defaultcategorydataset.addValue(7D, series1, type7);defaultcategorydataset.addValue(8D, series1, type8);defaultcategorydataset.addValue(5D, series2, type1);defaultcategorydataset.addValue(7D, series2, type2);defaultcategorydataset.addValue(6D, series2, type3);defaultcategorydataset.addValue(8D, series2, type4);defaultcategorydataset.addValue(4D, series2, type5);defaultcategorydataset.addValue(4D, series2, type6);defaultcategorydataset.addValue(2D, series2, type7);defaultcategorydataset.addValue(1.0D, series2, type8);defaultcategorydataset.addValue(4D, series3, type1);defaultcategorydataset.addValue(3D, series3, type2);defaultcategorydataset.addValue(2D, series3, type3);defaultcategorydataset.addValue(3D, series3, type4);defaultcategorydataset.addValue(6D, series3, type5);defaultcategorydataset.addValue(3D, series3, type6);defaultcategorydataset.addValue(4D, series3, type7);defaultcategorydataset.addValue(3D, series3, type8);return defaultcategorydataset;}private static JFreeChart createChart(CategoryDataset categorydataset){JFreeChart jfreechart = ChartFactory.createLineChart(”Line Chart Demo 1″,“Type”,“Value”,categorydataset,PlotOrientation.VERTICAL,true,true,false);jfreechart.setBackgroundPaint(Color.white);CategoryPlot categoryplot = (CategoryPlot)jfreechart.getPlot();categoryplot.setBackgroundPaint(Color.lightGray);categoryplot.setRangeGridlinePaint(Color.white);NumberAxis numberaxis = (NumberAxis)categoryplot.getRangeAxis();numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());numberaxis.setAutoRangeIncludesZero(true);//获得renderer 注意这里是下嗍造型到lineandshaperenderer！！LineAndShapeRenderer lineandshaperenderer = (LineAndShapeRenderer)categoryplot.getRenderer();lineandshaperenderer.setShapesVisible(true); //series 点（即数据点）可见lineandshaperenderer.setSeriesStroke(0, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] {10F, 6F}, 0.0F)); //定义series为”First”的（即series1）点之间的连线 ，这里是虚线，默认是直线lineandshaperenderer.setSeriesStroke(1, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] {6F, 6F}, 0.0F)); //定义series为”Second”的（即series2）点之间的连线lineandshaperenderer.setSeriesStroke(2, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] {2.0F, 6F}, 0.0F)); //定义series为”Third”的（即series3）点之间的连线return jfreechart;}一些重要的方法：lineandshaperenderer.setLineVisible(true) //series 点（即数据点）间有连线可见2、XYDataset 接口：A、创建一个数据源（dataset）：private static XYDataset createDataset(){XYSeries xyseries = new XYSeries(”First”); //先产生XYSeries 对象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(”Second”);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);XYSeries xyseries2 = new XYSeries(”Third”);xyseries2.add(3D, 4D);xyseries2.add(4D, 3D);xyseries2.add(5D, 2D);xyseries2.add(6D, 3D);xyseries2.add(7D, 6D);xyseries2.add(8D, 3D);xyseries2.add(9D, 4D);xyseries2.add(10D, 3D);XYSeriesCollection xyseriescollection = new XYSeriesCollection(); //再用XYSeriesCollection添加入XYSeries 对象xyseriescollection.addSeries(xyseries);xyseriescollection.addSeries(xyseries1);xyseriescollection.addSeries(xyseries2);return xyseriescollection;}private static JFreeChart createChart(XYDataset xydataset){JFreeChart jfreechart = ChartFactory.createXYLineChart(”Line Chart Demo 2″,“X”,“Y”,xydataset,PlotOrientation.VERTICAL,true,true,false);jfreechart.setBackgroundPaint(Color.white);XYPlot xyplot = (XYPlot)jfreechart.getPlot(); //获得 plot：XYPlot！！xyplot.setBackgroundPaint(Color.lightGray); //设定图表数据显示部分背景色xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D)); //设定坐标轴与图表数据显示部分距离xyplot.setDomainGridlinePaint(Color.white); //网格线颜色xyplot.setRangeGridlinePaint(Color.white);//获得 renderer 注意这里是XYLineAndShapeRenderer ！！XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)xyplot.getRenderer();xylineandshaperenderer.setShapesVisible(true); //数据点可见xylineandshaperenderer.setShapesFilled(true); //数据点被填充即不是空心点NumberAxis numberaxis = (NumberAxis)xyplot.getRangeAxis();numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());return jfreechart;}private static XYDataset createDataset(){TimeSeries timeseries = new TimeSeries(”L&G European Index Trust”,Month.class);timeseries.add(new Month(2, 2001), 181.8D);//这里用的是Month.class，同样还有Day.class Year.class 等等timeseries.add(new Month(3, 2001), 167.3D);timeseries.add(new Month(4, 2001), 153.8D);timeseries.add(new Month(5, 2001), 167.6D);timeseries.add(new Month(6, 2001), 158.8D);timeseries.add(new Month(7, 2001), 148.3D);timeseries.add(new Month(8, 2001), 153.9D);timeseries.add(new Month(9, 2001), 142.7D);timeseries.add(new Month(10, 2001), 123.2D);timeseries.add(new Month(11, 2001), 131.8D);timeseries.add(new Month(12, 2001), 139.6D);timeseries.add(new Month(1, 2002), 142.9D);timeseries.add(new Month(2, 2002), 138.7D);timeseries.add(new Month(3, 2002), 137.3D);timeseries.add(new Month(4, 2002), 143.9D);timeseries.add(new Month(5, 2002), 139.8D);timeseries.add(new Month(6, 2002), 137D);timeseries.add(new Month(7, 2002), 132.8D);TimeSeries timeseries1 = new TimeSeries(”L&G UK Index Trust”,Month.class);timeseries1.add(new Month(2, 2001), 129.6D);timeseries1.add(new Month(3, 2001), 123.2D);timeseries1.add(new Month(4, 2001), 117.2D);timeseries1.add(new Month(5, 2001), 124.1D);timeseries1.add(new Month(6, 2001), 122.6D);timeseries1.add(new Month(7, 2001), 119.2D);timeseries1.add(new Month(8, 2001), 116.5D);timeseries1.add(new Month(9, 2001), 112.7D);timeseries1.add(new Month(10, 2001), 101.5D);timeseries1.add(new Month(11, 2001), 106.1D);timeseries1.add(new Month(12, 2001), 110.3D);timeseries1.add(new Month(1, 2002), 111.7D);timeseries1.add(new Month(2, 2002), 111D);timeseries1.add(new Month(3, 2002), 109.6D);timeseries1.add(new Month(4, 2002), 113.2D);timeseries1.add(new Month(5, 2002), 111.6D);timeseries1.add(new Month(6, 2002), 108.8D);timeseries1.add(new Month(7, 2002), 101.6D);TimeSeriesCollection timeseriescollection = new TimeSeriesCollection();timeseriescollection.addSeries(timeseries);timeseriescollection.addSeries(timeseries1);timeseriescollection.setDomainIsPointsInTime(true); //domain轴上的刻度点代表的是时间点而不是时间段return timeseriescollection;}private static JFreeChart createChart(XYDataset xydataset){JFreeChart jfreechart = ChartFactory.createTimeSeriesChart(”Legal & General Unit Trust Prices”,“Date”,“Price Per Unit”,xydataset,true,true,false);jfreechart.setBackgroundPaint(Color.white);XYPlot xyplot = (XYPlot)jfreechart.getPlot(); //获得 plot : XYPlot!!xyplot.setBackgroundPaint(Color.lightGray);xyplot.setDomainGridlinePaint(Color.white);xyplot.setRangeGridlinePaint(Color.white);xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D));xyplot.setDomainCrosshairVisible(true);xyplot.setRangeCrosshairVisible(true);org.jfree.chart.renderer.xy.XYItemRenderer xyitemrenderer = xyplot.getRenderer();if(xyitemrenderer instanceof XYLineAndShapeRenderer){XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)xyitemrenderer;xylineandshaperenderer.setDefaultShapesVisible(true); //数据点可见xylineandshaperenderer.setDefaultShapesFilled(true); //数据点是实心点}DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis(); //对domain 轴上日期显示格式定义dateaxis.setDateFormatOverride(new SimpleDateFormat(”MMM-yyyy”));return jfreechart;}