如何在Java Swing中更改按钮边框

How to change Button Border in Java Swing

对于按钮边框，请使用Java中的createLineBorder()方法，该方法还可以设置边框的颜色：

1 2	JButton button = new JButton("Demo Button!"); Border border = BorderFactory.createLineBorder(Color.BLUE);

以下是在Java中更改按钮边框的示例：

例

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import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.border.Border;
public class SwingDemo {
public static void main(String args[]) {
JFrame frame = new JFrame("Button Border");
Container container = frame.getContentPane();
JButton button = new JButton("Demo Button!");
Border border = BorderFactory.createLineBorder(Color.BLUE);
button.setBorder(border);
container.add(button, BorderLayout.CENTER);
frame.setSize(550, 300);
frame.setVisible(true);
}
}

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