listframe.java~8~

jbuilder2006一书的所有源代码

package control;

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

public class ListFrame extends JFrame {
  JPanel contentPane;
  JScrollPane jScrollPane1 = new JScrollPane();
  JList jList1 = new JList();

  public ListFrame() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(null);
    this.setSize(new Dimension(400, 300));
    this.setTitle("List示例");
    jScrollPane1.setBounds(new Rectangle(80, 37, 240, 190));
    jScrollPane1.getViewport().add(jList1, null);
    //创建列表框的数据类
    DefaultListModel listData = new DefaultListModel();
    //设置列表框的数据源
    jList1.setModel(listData);
    //为列表框添加数据
    for(int i = 1; i < 21; i++){
      listData.addElement(new String("内容1"));

    }
    listData.addElement(new String("内容2"));
    listData.addElement(new String("内容3"));
    listData.addElement(new String("内容4"));
    listData.addElement(new String("内容5"));

    contentPane.add(jScrollPane1, null);
  }

  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }
}