frame1.java~13~

很好得jbuilder100例源代码

package jfilechooser;

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

public class Frame1 extends JFrame {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();
  JButton jButton1 = new JButton();
  JTextArea jTextArea1 = new JTextArea();

  /**Construct the frame*/
  public Frame1() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    jButton1.setText("选择文件");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    contentPane.setLayout(borderLayout1);
    this.setResizable(false);
    this.setSize(new Dimension(299, 268));
    this.setTitle("JFileChooser演示程序");
    jTextArea1.setEditable(false);
    contentPane.add(jButton1, BorderLayout.NORTH);
    contentPane.add(jTextArea1, BorderLayout.CENTER);
  }
  /**Overridden so we can exit when window is closed*/
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
    JFileChooser fc = new JFileChooser();
    fc.setMultiSelectionEnabled(true);
    int returnVal = fc.showOpenDialog(this);
    File[] selectedFiles;
    if(returnVal == JFileChooser.APPROVE_OPTION){
      selectedFiles = fc.getSelectedFiles();
      jTextArea1.setText("你选择的文件有：\n");
      for(int i=0;i<selectedFiles.length;i++){
       jTextArea1.append(selectedFiles[i].getPath()+"\n");
      }
    }
    else
        jTextArea1.setText("你选择的是“取消”");
  }
}