JFrame和JDialog的簡單實現

import javax.swing.*;
import java.awt.*;
import javax.swing.border.Border;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

//頂級容器JFrame的實例化
public class container extends JFrame implements ActionListener {
    JButton _model =new JButton("OPEN MODEL DIALOG");
    JButton _nomodel =new JButton("CLOSE MODEL DIALOG");
    JPanel _top=new JPanel();//實例化中間窗體 JPanel
    public container()
    {
        super("JFrame TEST");
        init();
    }
    public void init()
    {
        setSize(480,320);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(EXIT_ON_CLOSE);//定義窗口關閉按鍵設置
        setLayout(new BorderLayout());//定義佈局
        _model.addActionListener(this);
        _nomodel.addActionListener(this);
        _top.add(_model);
        _top.add(_nomodel);
        add(_top,BorderLayout.NORTH);
        setVisible(true);
    }
    //關聯事件源
    public void actionPerformed(ActionEvent e)
    {
        if(e.getSource().equals(_model)){
            new MyDialog(this,true,"Model Didlog");
        }
        if(e.getSource().equals(_nomodel)){
            new MyDialog(this,true,"Nomodel Didlog");
        }
    }
    public static void main(String args[])
    {
        container window =new container();
    }
}
//實例化JDialog
class MyDialog extends JDialog implements ActionListener{
    private JButton _ok =new JButton("YES");//定義按鍵文本
    public MyDialog(JFrame x, boolean modal, String title)
    {
        super(x,title,modal);
        init();
    }
    void init()
    {
        setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);//關閉時隱藏窗口
        setSize(300,200);
        setLocationRelativeTo(null);
        _ok.addActionListener(this);
        add(_ok, BorderLayout.SOUTH);
        setVisible(true);
    }
    public void actionPerformed(ActionEvent e)
    {
        dispose();//關閉窗體並釋放資源
    }
}