如何在 Java 中為面板建立帶標題的邊框?
如需為面板建立帶標題的邊框,請使用 createTitledBorder() 方法。我們先建立一個面板 −
JPanel panel = new JPanel();
JButton btn1 = new JButton("One");
JButton btn2 = new JButton("Two");
panel.add(btn1);
panel.add(btn2);現在,使用 BorderFactory 類設定帶標題的邊框 −
panel.setBorder(BorderFactory.createTitledBorder("Title of the border"));以下是如何在 Java 中為面板建立帶標題的邊框的一個示例 −
示例
package my;
import java.awt.Component;
import java.awt.Dimension;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class SwingDemo {
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(new BoxLayout(frame.getContentPane(), BoxLayout.Y_AXIS));
JPanel panel = new JPanel();
JButton btn1 = new JButton("One");
JButton btn2 = new JButton("Two");
JButton btn3 = new JButton("Three");
JButton btn4 = new JButton("Four");
JButton btn5 = new JButton("Five");
panel.add(btn1);
panel.add(btn2);
panel.add(btn3);
panel.add(btn4);
panel.add(btn5);
panel.setAlignmentX(Component.CENTER_ALIGNMENT);
panel.setPreferredSize(new Dimension(100, 500));
panel.setMaximumSize(new Dimension(200, 500));
panel.setBorder(BorderFactory.createTitledBorder("Title of the border"));
frame.getContentPane().add(panel);
frame.setSize(550, 300);
frame.setVisible(true);
}
}輸出

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