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Java Swing - 如何在BoxLayout中混合水平和垂直框...

layout 【layout】
我们想知道如何在BoxLayout中混合水平和垂直框。...
代码展示 运行结果 
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JFrame {

  Main() {

    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setSize(500, 500);

    JPanel panel1 = new JPanel(new GridBagLayout());
    JButton b1 = new JButton("button 1"),
    b2 = new JButton("button 2");

    panel1.add(b1, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0,
        GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(0,
            0, 0, 0), 0, 0));
    panel1.add(b2, new GridBagConstraints(1, 0, 1, 1, 2.0, 0.0,
        GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(0,
            0, 0, 0), 0, 0));
    add(panel1);
    setVisible(true);
  }
  public static void main(String[] args) {
    new Main();
  }
}