我正在使用 DAO 工厂从数据库中获取我的数据。当我运行我的程序时,数据显示在打印行中,因此他将其从数据库中取出。但我希望它显示在我的 JTable 中,但这个是空的,我不知道如何填充它。
代码 JFrame:
package View;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionListener;
import java.io.IOException;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import javax.swing.WindowConstants;
import javax.swing.table.TableModel;
import Controller.VerwijderController;
import Model.OefeningenListModel;
import Model.OefeningenTableModel;
public class VerwijderenHome extends JFrame {
private JList LijstOefening;
private JScrollPane jScrollPane1;
private Container window = getContentPane();
private JButton delete;
private VerwijderController Controller;
private JTable tabel;
public VerwijderenHome()
{
initGUI();
}
public void addDeleteListener(ActionListener a){
delete.addActionListener(a);
}
private void initGUI() {
setPreferredSize(new Dimension(800, 600));
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setLayout(null);
setVisible(true);
JTable table = new JTable(new OefeningenTableModel());
JScrollPane scrollPane = new JScrollPane(table);
scrollPane.setBounds(50, 50, 300, 60);
window.add(scrollPane);
delete = new JButton("Delete");
delete.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
delete.setBounds(50, 265, 100, 30);
window.add(delete);
pack();
Controller = new VerwijderController();
addDeleteListener(Controller);
}
public JButton getDelete(){
return delete;
}
public JList getLijst()
{
return LijstOefening;
}
}
代码 DefaultTableModel?? (不知道我是否必须使用这个)
package Model;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Vector;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.DefaultTableModel;
import datapackage.DAOFactory;
public class OefeningenTableModel extends DefaultTableModel {
ArrayList<Oefening> oefeningen;
public OefeningenTableModel(){
oefeningen = DAOFactory.getFactory(0).getIDAOOefening().load();
}
}