如何在 Java 中为组件创建一个复合边框?
复合边框由两个或两个以上边框组成,即边框周围的边框。我们可以使用 createCompoundBorder() 方法在 Java 中为其创建边框。
假设以下是我们组件 −
JLabel label;
label = new JLabel("This has compound border (border around a border)!");现在,设置复合边框 −
label.setBorder(BorderFactory.createCompoundBorder(BorderFactory .createRaisedBevelBorder(), BorderFactory.createLoweredBevelBorder()));
以下是为组件创建复合边框的示例 −
示例
package my;
import javax.swing.BorderFactory;
import java.awt.Font;
import javax.swing.JFrame;
import javax.swing.JLabel;
public class SwingDemo {
public static void main(String[] args) throws Exception {
JFrame frame = new JFrame("Demo");
JLabel label;
label = new JLabel("This has compound border (border around a border)!");
label.setFont(new Font("Arial", Font.BOLD, 18));
label.setVerticalAlignment(JLabel.CENTER);
label.setBorder(BorderFactory.createCompoundBorder(BorderFactory
.createRaisedBevelBorder(), BorderFactory.createLoweredBevelBorder()));
frame.add(label); frame.setSize(550,350); frame.setVisible(true);
}
}输出

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