如何在 Java 中向現有的線框邊框新增標題?
這裡,我們將學習如何向現有的線框邊框新增標題。假設我們有一個標籤並且邊框將被設定為 -
LineBorder linedBorder = new LineBorder(Color.blue); TitledBorder titledBorder = BorderFactory.createTitledBorder(linedBorder, "Demo Title"); JLabel label = new JLabel(); label.setBorder(titledBorder);
以下是一個用於向現有的線框邊框新增標題的示例 -
示例
package my;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.border.LineBorder;
import javax.swing.border.TitledBorder;
public class SwingDemo {
public static void main(String args[]) {
JFrame frame = new JFrame("Demo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
LineBorder linedBorder = new LineBorder(Color.blue);
TitledBorder titledBorder = BorderFactory.createTitledBorder(linedBorder, "Demo Title");
JLabel label = new JLabel();
label.setBorder(titledBorder);
Container contentPane = frame.getContentPane();
contentPane.add(label, BorderLayout.CENTER);
frame.setSize(550, 300);
frame.setVisible(true);
}
}輸出

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