用内部类实现接口的例子

最新推荐文章于 2023-07-23 21:47:55 发布

原创最新推荐文章于 2023-07-23 21:47:55 发布 · 942 阅读

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#import #string #class

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

public class t extends JFrame
{   JDialog jd=new JDialog();
JButton jb,jb0,jb01,jb1;
public t()
{
  super("asdf");

  JPanel jp;

  jp=new JPanel();
  jp.setBackground(Color.LIGHT_GRAY);
  jb=new JButton("设置");
  //jb.addActionListener(this);
  jp.add(jb);

  jb0=new JButton("获取JDialog");
  jp.add(jb0);

  jb01=new JButton("reset");
  jp.add(jb01);

  //jb1.addActionListener(this);

  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  add(jp);

  this.setSize(400,300);
  //set Frame in the center window
  Toolkit kit = Toolkit.getDefaultToolkit();
  Dimension screenSize = kit.getScreenSize();
  final int screenHeight = screenSize.height;
  final int screenWidth = screenSize.width;
  int frameW=this.getWidth();
  int frameH=this.getHeight();
  setLocation((screenWidth-frameW) / 2, (screenHeight-frameH) / 2);

  this.setVisible(true);


  jb1=new JButton("jdialog");
  jd.setTitle("jdialog");
  jd.setSize(200,100);
  //jd.setModal(true);
  jd.add(jb1);

  jb.addActionListener(new ActionListener(){
   public void actionPerformed(ActionEvent e){
    jd.setLocation(getX()+(getWidth()-jd.getWidth())/2,getY()+(getHeight()-jd.getHeight())/2);
    jd.setVisible(true);
   }
  });

  jb1.addActionListener(new ActionListener(){
   public void actionPerformed(ActionEvent e){
    //jb.setText(jb1.getText());
    jd.dispose();
   }
  });

  jb0.addActionListener(new ActionListener(){
   public void actionPerformed(ActionEvent e){
    jb.setText(jb1.getText());
   }
  });

  jb01.addActionListener(new ActionListener(){
   public void actionPerformed(ActionEvent e){
    jb.setText(getX()+"/"+getY());
   }
  });

}

    public static void main(String args[])
    {
    new t();
    }
}