JFrame JTable 사용 예제

[test2.java]

package mytest;

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

public class test2 {
 
 public static void main(String[] args) {
 
  JFrame frame = new JFrame("Table Test");
  frame.setPreferredSize(new Dimension(400,200));
  frame.setLocation(500,400);
  Container contentPane = frame.getContentPane();
 
  String colName[] = {"NAME","AGE","SEX"};
  DefaultTableModel model = new DefaultTableModel(colName,0);
  JTable table = new JTable(model);
 
  contentPane.add(new JScrollPane(table),BorderLayout.CENTER);
  JPanel panel = new JPanel();
 
  JTextField text1 = new JTextField(6);
  JTextField text2 = new JTextField(3);
  JTextField text3 = new JTextField(2);
 
  JButton button1 = new JButton("add");
  JButton button2 = new JButton("del");
 
  panel.add(new JLabel("NAME"));
  panel.add(text1);
  panel.add(new JLabel("AGE"));
  panel.add(text2);
  panel.add(new JLabel("SEX"));
  panel.add(text3);
 
  panel.add(button1);
  panel.add(button2);
 
  contentPane.add(panel,BorderLayout.SOUTH);
 
  button1.addActionListener(new AddActionListener(table,text1,text2,text3));
  button2.addActionListener(new RemoveActionListener(table));
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.pack();
  frame.setVisible(true);
 
 }

}

[AddActionListener.java]

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

public class AddActionListener implements ActionListener{
 
 JTable table;
 JTextField text1,text2,text3;
 AddActionListener(JTable table, JTextField text1, JTextField text2,JTextField text3) {
  this.table = table;
  this.text1 = text1;
  this.text2 = text2;
  this.text3 = text3;
 }
 /**
  * @param args
  */
 public void actionPerformed(ActionEvent e){
  String arr[] = new String[3];
  arr[0] = text1.getText();
  arr[1] = text2.getText();
  arr[2] = text3.getText();
  DefaultTableModel model = (DefaultTableModel) table.getModel();
  model.addRow(arr);
 }

}

[RemoveActionListener.java]

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

public class RemoveActionListener implements ActionListener{
 JTable table;
 RemoveActionListener(JTable table){
  this.table = table;
 }
 
 public void actionPerformed(ActionEvent e){
  int row = table.getSelectedRow();
  if ( row == -1)
   return;
  DefaultTableModel model = (DefaultTableModel) table.getModel();
  model.removeRow(row);
 }
}

test2 를 실행시키면 요렇게 생긴놈이 출현.. 두둥

추가와 삭제가 가능하네요.

[출처] 뇌를 자극하는 JAVA 프로그래밍

... 음 책에 있는 예문을 그대로 적었는데 문제의 소지가 있을려나?
어휴.. 맨날 자바 공부해야지 해야지 해야지 하면서 아직까지 안 하는건 뭥미 ㅠ.ㅠ