wangge.java~2~

java常用的各种布局,基本容器的使用,java组件JButton等的使用,String类里的图形用户界面.

import javax.swing.*;
import java.awt.*;
public class wangge
{
  public static void main(String[] args)
  {
    JFrame frame = new JFrame("GridLayout");
    JPanel pane = new JPanel(new Gridlayout(3, 3, 10, 10));
    JButton btn1 = new JButton("1");
    JButton btn2 = new JButton("2");
    JButton btn3 = new JButton("3");
    JButton btn4 = new JButton("4");
    JButton btn5 = new JButton("5");
    JButton btn6 = new JButton("6");
    JButton btn7 = new JButton("7");
    pane.add(btn1);
    pane.add(btn2);
    pane.add(btn3);
    pane.add(btn4);
    pane.add(btn5);
    pane.add(btn6);
    pane.add(btn7);
    pane.setBorder(BorderFactory.createEmptyBorder(15,10,15,10));
    frame.getContentPane().add(pane);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(200,200);
    frame.setVisible(true);
    }

  }