如何在 Java 中為元件建立一個複合邊框?
複合邊框由兩個或兩個以上邊框組成,即邊框周圍的邊框。我們可以使用 createCompoundBorder() 方法在 Java 中為其建立邊框。
假設以下是我們元件 −
JLabel label;
label = new JLabel("This has compound border (border around a border)!");現在,設定複合邊框 −
label.setBorder(BorderFactory.createCompoundBorder(BorderFactory .createRaisedBevelBorder(), BorderFactory.createLoweredBevelBorder()));
以下是為元件建立複合邊框的示例 −
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);
}
}輸出

廣告
資料結構
網路技術
關係資料庫管理系統 (RDBMS)
作業系統
Java
iOS
HTML
CSS
Android
Python
C 程式設計
C++
C#
MongoDB
MySQL
JavaScript
PHP