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JPanel的边框 Border picBorder = BorderFactory.createTitledBorder("图片展示");picPanel.setBorder(picBorder); 当然还有方法重载，可以设颜色。

setBorder(new TitledBorder(null, "标题", TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, null, Color.BLUE));TitledBorder(Border border, String title, int titleJustification, int titlePosition, Font titleFont, Color titleColor) 用指定的边框、标题、标题对齐方式、标题位置、标题字体和标题颜色创建 TitledBorder 实例 import java.awt.Color;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.border.TitledBorder;public class ColorTest extends JFrame {  private static final long serialVersionUID = 1L; /**  * Launch the application  * @param args  */ public static void main(String args[]) {  try {   ColorTest frame = new ColorTest();   frame.setVisible(true);  } catch (Exception e) {   e.printStackTrace();  } } /**  * Create the frame  */ public ColorTest() {  super();  getContentPane().setLayout(null);  setBounds(100, 100, 500, 375);  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  final JPanel panel = new JPanel();  panel.setBorder(new TitledBorder(null, "标题", TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, null, Color.BLUE));  panel.setLayout(null);  panel.setBounds(103, 45, 274, 174);  getContentPane().add(panel);  final JButton button = new JButton();  button.setBounds(84, 74, 106, 28);  button.setText("New JButton");  panel.add(button);  // }}

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