如何在JFrame中的JPanel中添加ChartPanel

我一直试图这样做..

JFreeChart chart = createChart(createDataset()); jPanel1 = new ChartPanel(chart, false); 

这个JPanel1在JFrame里面(它是一个Netbeans的JFrameforms,所以我有一些标签和textAreas)

jPanel1固定在Netbeans的设计者里面…在做了其他数据工作之后的某个地方我现在想要一个关于数据的所有文本的数据图表。

我尝试了其他解决方案,比如将JFreeChart转换为jPanel。 也

  JFreeChart chart = createChart(createDataset()); JChartPanel P=new ChartPanel(chart,false); jPanel1.add(P); 

实际代码:

  public class NucleotideComposition extends JFrame{ public NucleotideComposition(String filename) { DNA dna=new DNA(filename); int count moleculeName.setText(dna.getSeq_name()); Length.setText(Integer.toString(count = dna.length())); JFreeChart chart = createChart(createDataset(dna.countA(),dna.countT,dna.Countc,dna.countG)); jPanel1 = new ChartPanel(chart, false); } private static PieDataset createDataset(int A,int T,int C,int G) { DefaultPieDataset dataset = new DefaultPieDataset(); dataset.setValue("A", A); dataset.setValue("T", T); dataset.setValue("G", C); dataset.setValue("C", G); return dataset; } private static JFreeChart createChart(PieDataset dataset) { JFreeChart chart = ChartFactory.createPieChart3D( "Nucleotide Composition", // chart title dataset, // data true, // include legend true, true ); PiePlot3D pieplot3d = (PiePlot3D) chart.getPlot(); pieplot3d.setStartAngle(270D); pieplot3d.setDirection(Rotation.ANTICLOCKWISE); pieplot3d.setForegroundAlpha(0.6F); Rotator rotator = new Rotator((PiePlot3D) chart.getPlot()); rotator.start(); return chart; } }