framegirdbaglayout.java

JAVA初学者的小程序

import javax.swing.*;
import java.awt.*;

public class frameGirdBagLayout extends JFrame{
private JPanel jPanel1=new JPanel();
private GridLayout gl;
private JButton jButton1=new JButton("First");
private JButton jButton2=new JButton("Second");
private JButton jButton3=new JButton("Third");
private JButton jButton4=new JButton("Fourth");
private JButton jButton5=new JButton("Fifth");
private JButton jButton6=new JButton("Sixth");
private JButton jButton7=new JButton("Seventh");

public frameGirdBagLayout(){
super("frameGirdBagLayout");
setSize(300,150);

GridBagLayout gbl=new GridBagLayout();
jPanel1.setLayout(gbl);
GridBagConstraints gbc=new GridBagConstraints();
gbc.fill=GridBagConstraints.BOTH;

gbc.gridwidth=1;
gbc.gridheight=1;
gbc.gridx=0;
gbc.gridy=0;
jPanel1.add(jButton1,gbc);
gbc.gridx=1;
jPanel1.add(jButton2,gbc);
gbc.gridx=2;
jPanel1.add(jButton3,gbc);
gbc.gridx=0;
gbc.gridy=1;
gbc.gridwidth=3;
jPanel1.add(jButton4,gbc);
gbc.gridy=2;
gbc.gridwidth=1;
jPanel1.add(jButton5,gbc);
gbc.gridx=1;
gbc.gridwidth=1;
gbc.gridheight=2;
jPanel1.add(jButton6,gbc);
gbc.gridx=0;
gbc.gridy=3;
gbc.gridwidth=1;
gbc.gridheight=1;
jPanel1.add(jButton7,gbc);
this.setContentPane(jPanel1);
}


public static void main(String[] args){
frameGirdBagLayout fgbl=new frameGirdBagLayout();
fgbl.show();
}
}