java&JFreeChart-如何设置JFreeChart的图表面板，调整其容器的大小（比如JPanel）？

Question

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ChartPanel chartPanel = new ChartPanel(createWhateverChart());
JFrame frame = new JFrame();
frame.add(chartPanel);

null

ChartPanel chartPanel = new ChartPanel(createWhateverChart());
JPanel panel = new JPanel("Who cares");
panel.add(chartPanel, BorderLayout.CENTER);
JFrame frame = new JFrame();
frame.add(panel);

Answer 1

试试我的代码，它很好用。

注意：

我有一个框架，其中包含一个panelMain，panelMain包含一个子面板，子面板包含ChartPanel。

frame.setLayout(new BoxLayout(frame.getContentPane(), BoxLayout.Y_AXIS));                      
JPanel panelMain = new JPanel(new GridLayout(0,2));            
ChartPanel chartPanel = createChart();        
JPanel subPanel = new JPanel(new BorderLayout());   
subPanel.setBorder(BorderFactory.createTitledBorder("Consommation"));
subPanel.setPreferredSize(new Dimension(400, 200));    
subPanel.add(chartPanel);   


panelMain.add(subPanel);        
frame.add(panelMain);        
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);