“打开”选译对话框

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

 

class FileChoose extends JFrame
{
 FileChoose(String title){
  super(title);
 }

 

 JButton open=new JButton("open");
 JTextField txt1=new JTextField(30);
 JTextField txt2=new JTextField(30);
 JFileChooser choose=new JFileChooser(new File("d://java//FileChoose"));

 

 void init(){
  Container cp=getContentPane();
  cp.setLayout(new FlowLayout());
  cp.add(open);
  cp.add(txt1);
  cp.add(txt2);
  int openResult=choose.showOpenDialog(null);
  if (openResult==JFileChooser.APPROVE_OPTION)//打开按钮
  {
   txt1.setText(choose.getSelectedFile().getName());
   txt2.setText(choose.getCurrentDirectory().toString());
  }
  if (openResult==JFileChooser.CANCEL_OPTION)
  {
   txt1.setText("You pressed cancel button");
   txt2.setText("");
  }
 }

 

  public static void main(String[] args){
   FileChoose choose=new FileChoose("File Choose");
   choose.init();
   choose.setSize(240,180);
   choose.setVisible(true);
   choose.addWindowListener(new WindowClose());
  }
 }

 

   //关闭
 class WindowClose extends WindowAdapter
 {
  public void windowClosing(WindowEvent e){
   System.exit(0);
  }
 }