import java.awt.*;
import javax.swing.*;public class Mytest
{
public static void main(String[] args)
{
MytestFrame frame = new MytestFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}class MytestFrame extends JFrame
{
public MytestFrame()
{
setSize(400, 300); Container contentPane = getContentPane();
GridBagLayout layout = new GridBagLayout();
GridBagConstraints cons = new GridBagConstraints(); contentPane.setLayout(layout); JButton button1 = new JButton("Button1");
cons.fill = GridBagConstraints.BOTH;
cons.gridwidth = GridBagConstraints.REMAINDER; contentPane.add(button1, cons);
JButton button2 = new JButton("Button2");
cons.gridwidth = GridBagConstraints.RELATIVE;
contentPane.add(button2, cons); JButton button3 = new JButton("Button3");
cons.gridwidth = GridBagConstraints.REMAINDER;
contentPane.add(button3, cons); JButton button4 = new JButton("Button4");
cons.gridwidth = 1;
contentPane.add(button4, cons); JButton button5 = new JButton("Button5");
cons.gridwidth = 1;
contentPane.add(button5, cons); JButton button6 = new JButton("Button6");
cons.gridwidth = GridBagConstraints.REMAINDER;
contentPane.add(button6, cons);
}
}我想第一排只显示一个,第二排显示两个(长度相等),第三排三个平分。都是按钮,为什么老实现不了呢,请高手解决,真的谢谢了~~~~~
import javax.swing.*;public class Mytest
{
public static void main(String[] args)
{
MytestFrame frame = new MytestFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}class MytestFrame extends JFrame
{
public MytestFrame()
{
setSize(400, 300); Container contentPane = getContentPane();
GridBagLayout layout = new GridBagLayout();
GridBagConstraints cons = new GridBagConstraints(); contentPane.setLayout(layout); JButton button1 = new JButton("Button1");
cons.fill = GridBagConstraints.BOTH;
cons.gridwidth = GridBagConstraints.REMAINDER; contentPane.add(button1, cons);
JButton button2 = new JButton("Button2");
cons.gridwidth = GridBagConstraints.RELATIVE;
contentPane.add(button2, cons); JButton button3 = new JButton("Button3");
cons.gridwidth = GridBagConstraints.REMAINDER;
contentPane.add(button3, cons); JButton button4 = new JButton("Button4");
cons.gridwidth = 1;
contentPane.add(button4, cons); JButton button5 = new JButton("Button5");
cons.gridwidth = 1;
contentPane.add(button5, cons); JButton button6 = new JButton("Button6");
cons.gridwidth = GridBagConstraints.REMAINDER;
contentPane.add(button6, cons);
}
}我想第一排只显示一个,第二排显示两个(长度相等),第三排三个平分。都是按钮,为什么老实现不了呢,请高手解决,真的谢谢了~~~~~
import java.awt.*;
import javax.swing.*;public class Mytest
{
public static void main(String[] args)
{
MytestFrame frame = new MytestFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}class MytestFrame extends JFrame
{
public MytestFrame()
{
setSize(400, 300); Container contentPane = getContentPane();
GridBagLayout layout = new GridBagLayout();
GridBagConstraints cons = new GridBagConstraints(); contentPane.setLayout(layout);
cons.gridx = 1;
cons.gridy = 1;
contentPane.add(new JButton("Button1"), cons); cons.gridx = 1;
cons.gridy = 2;
contentPane.add(new JButton("Button2"), cons); cons.gridx = 2;
cons.gridy = 2;
contentPane.add(new JButton("Button3"), cons); cons.gridx = 1;
cons.gridy = 3;
contentPane.add(new JButton("Button4"), cons); cons.gridx = 2;
cons.gridy = 3;
contentPane.add(new JButton("Button5"), cons);
cons.gridx = 3;
cons.gridy = 3;
contentPane.add(new JButton("Button6"), cons);
}
}
显示结果如下:
http://www.downgle.com/files/0610/test11111.jpg
import java.awt.*;
import javax.swing.*;public class Mytest
{
public static void main(String[] args)
{
MytestFrame frame = new MytestFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}class MytestFrame extends JFrame
{
public MytestFrame()
{
setSize(400, 300); Container contentPane = getContentPane();
GridBagLayout layout = new GridBagLayout();
GridBagConstraints cons = new GridBagConstraints(); contentPane.setLayout(layout);
cons.gridx = 3;
cons.gridy = 1;
cons.gridwidth = 3;
contentPane.add(new JButton("Button1"), cons);
cons.gridx = 2;
cons.gridy = 2;
cons.gridwidth = 3;
contentPane.add(new JButton("Button2"), cons); cons.gridx = 4;
cons.gridy = 2;
cons.gridwidth = 3;
contentPane.add(new JButton("Button3"), cons); cons.gridx = 1;
cons.gridy = 3;
cons.gridwidth = 3;
contentPane.add(new JButton("Button4"), cons); cons.gridx = 3;
cons.gridy = 3;
cons.gridwidth = 3;
contentPane.add(new JButton("Button5"), cons);
cons.gridx = 5;
cons.gridy = 3;
cons.gridwidth = 3;
contentPane.add(new JButton("Button6"), cons);
}
}