mainframe.java

列表单元中实现图标

package jlistdemo;

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

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2002</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

public class MainFrame extends JFrame {
  private JPanel contentPane;
  private BorderLayout borderLayout1 = new BorderLayout();
  private JList jList1 = new JList();
  private String[] iconnames={"电脑","软件包","软盘驱动器","画图","公文包","网上邻居"};

  private Icon icon1=new ImageIcon(ClassLoader.getSystemResource("images/1-3-1.jpg"));
  private Icon icon2=new ImageIcon(ClassLoader.getSystemResource("images/1-3-2.jpg"));
  private Icon icon3=new ImageIcon(ClassLoader.getSystemResource("images/1-3-3.jpg"));
  private Icon icon4=new ImageIcon(ClassLoader.getSystemResource("images/1-3-4.jpg"));
  private Icon icon5=new ImageIcon(ClassLoader.getSystemResource("images/1-3-5.jpg"));
  private Icon icon6=new ImageIcon(ClassLoader.getSystemResource("images/1-3-6.jpg"));

  //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();
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(395, 243));
    this.setTitle("JListDemo");
    Icon[] icons={icon1,icon2,icon3,icon4,icon5,icon6};
    jList1.setListData(this.iconnames);
    jList1.setCellRenderer(new OwnCellRenderer(icons));
    jList1.setFont(new java.awt.Font("Dialog", 0, 14));
    contentPane.add(new JScrollPane(jList1),  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);
    }
  }
}