目标定位英文 翻译:JFreeChart教程（二）

JFreeChart教程（二） 收藏
 
three：创建折线图
//创建折线图（Category）数据对象
       String series1 = "First";
       String series2 = "Second";
       String series3 = "Third";
       String type1 = "2001";
       String type2 = "2002";
       String type3 = "2003";
       String type4 = "2004";
       String type5 = "2005";
       String type6 = "2006";
       String type7 = "2007";
       String type8 = "2008";
       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);
       JFreeChart jfreechart = ChartFactory.createLineChart("折线图 Demo 1",
              "Type","Value",
              defaultcategorydataset,PlotOrientation.VERTICAL,
              true,true,false);
       CategoryPlot categoryplot = (CategoryPlot)jfreechart.getPlot();
       categoryplot.setBackgroundPaint(Color.lightGray);
       categoryplot.setRangeGridlinePaint(Color.white);
       ChartFrame  frame=new ChartFrame ("折线图 ",jfreechart,true);
       frame.pack();
       frame.setVisible(true);
four：折线图//  //折线图2
       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);
       JFreeChart jfreechart = ChartFactory.createXYLineChart("Line Chart Demo 2",
              "X",
              "Y",
              xyseriescollection,
              PlotOrientation.VERTICAL,
              true,
              true,
              false);
       ChartFrame  frame=new ChartFrame ("折线图 ",jfreechart,true);
       frame.pack();
        frame.setVisible(true);
five：时间序列图
//时间序列图
       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
       JFreeChart jfreechart = ChartFactory.createTimeSeriesChart("Legal & General Unit Trust Prices",
              "Date",
              "Price Per Unit",
              timeseriescollection,
              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);
              ChartFrame  frame=new ChartFrame ("折线图 ",jfreechart,true);
              frame.pack();
              frame.setVisible(true);
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