jtable4.java

刘艺编著的java教程的课本习题加例题代码 很有用哦！

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

public class JTable4 extends JFrame
{
  JPanel cp=new JPanel();
  JTable jtable1;
  JTextArea ta=new JTextArea("input string is:"+"\n",10,20);
  JScrollPane jscrp1=new JScrollPane();
  JScrollPane jscrp2=new JScrollPane();

  public JTable4()
  {
   cp=(JPanel)this.getContentPane();
   this.setTitle("try to use table");
   this.setSize(500,500);
   cp.setLayout(new BorderLayout());

   Object[][] data=
   {{"Jenny","female","football",new Integer(20),"ENGLISH"},
    {"May","female","music",new Integer(20),"ENGLISH"},
    {"Lili","female","art",new Integer(20),"CHINESE"}
   };
   Object[] columnNames={"name","sex","hobby","age","nationality"};

   jtable1=new JTable(data,columnNames);
   jtable1.setRowHeight(20);

   final TableModel tm=jtable1.getModel();
   tm.addTableModelListener(new TableModelListener()
   {
    public void tableChanged(TableModelEvent e)
    {
     int row=e.getFirstRow();
     int column=e.getColumn();

     Object data=tm.getValueAt(row,column);
     ta.append((String)data+"\n");
    }
   });

   jscrp1.getViewport().add(jtable1);
   jscrp2.getViewport().add(ta) ;
   cp.add(jscrp1,BorderLayout.CENTER);
   cp.add(jscrp2,BorderLayout.SOUTH);
  }

  public static void main(String[] args)
  {
    JTable4 JTable4 = new JTable4();
    JTable4.setVisible(true);
  }

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