mainframe.java~13~

Java编程100例,提供了很多经典实例来说明Java

package jfiledemo;

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

public class MainFrame extends JFrame {
  private JPanel contentPane;
  private BorderLayout borderLayout1 = new BorderLayout();
  private JTextField jTextField1 = new JTextField();
  private JScrollPane jScrollPane1 = new JScrollPane();


  private JButton jButton1 = new JButton();
  private JTable jTable1 = new JTable();

  File file;

  //Construct the frame
  public MainFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {




    //setIconImage(Toolkit.getDefaultToolkit().createImage(MainFrame.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    jTextField1.setText("jTextField1");
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(394, 164));
    this.setTitle("JFileDemo");
    jScrollPane1.setAutoscrolls(true);
    jButton1.setText("View");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    contentPane.add(jButton1, BorderLayout.SOUTH);
    contentPane.add(jTextField1, BorderLayout.NORTH);
    contentPane.add(jScrollPane1, BorderLayout.CENTER);
    jScrollPane1.getViewport().add(jTable1, null);
  }
  //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);
    }
  }
  Object[] getFileInfoType(){

    return new Object[]{"Name","isFile","length","canRead","canWrite","lastMotified","isHidden"};
  }
  Object[][] getFileInfo(File file){
    File theFile = file;
    Object[][] data = new Object[1][7];

    if (theFile.exists())
      return null;
    data[0][0] = theFile.getName();
    data[0][1] = String.valueOf(theFile.isFile());
    data[0][2] = String.valueOf(theFile.length());
    data[0][3] = String.valueOf(theFile.canRead());
    data[0][4] = String.valueOf(theFile.canWrite());
    data[0][5] = String.valueOf(theFile.lastModified());
    data[0][6] = String.valueOf(theFile.isHidden());

    return data;
  }

  void jButton1_actionPerformed(ActionEvent e) {
    file = new File(this.jTextField1.getText());
    this.jTable1 = new JTable(this.getFileInfo(file),this.getFileInfoType());
    this.jTable1.repaint();
  }
}