1) 没有理由为DefaultTableModel 调用model.fireTableDataChanged()
2) 没有理由调用table.repaint()，没用
3) for(Jezik j : v.getTuji_jeziki()) row[5]+=", "+j.toString(); 是什么，您的问题可能超过 100%**
4) DefaultTableModel 适用于所有情况，但只需要在 EDT 上更新，另一方面，这是所有 Swing JComponents 一起出现的常见问题
5) 为了获得更好的帮助，请尽快使用SSCCE 编辑您的问题
6) 美国东部时间 == Event Dispatch Thread
7) SSCCE
DefaultTableModel
model.addRow(row);
短
自成体系
正确
示例
然后
import java.awt.*;
import java.awt.event.*;
import java.util.Random;
import javax.swing.*;
import javax.swing.border.LineBorder;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;
public class DefaultTableModelDemo {
public static final String[] COLUMN_NAMES = {
"Monday", "Tuesday", "Wednesday", "Thursday", "Friday"
};
private DefaultTableModel model = new DefaultTableModel(COLUMN_NAMES, 0);
private JTable table = new JTable(model);
private JPanel mainPanel = new JPanel(new BorderLayout());
private Random random = new Random();
public DefaultTableModelDemo() {
JButton addDataButton = new JButton("Add Data");
JPanel buttonPanel = new JPanel();
buttonPanel.add(addDataButton);
addDataButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
addDataActionPerformed();
}
});
model = new DefaultTableModel(COLUMN_NAMES, 0) {
private static final long serialVersionUID = 1L;
@Override
public Class getColumnClass(int column) {
return getValueAt(0, column).getClass();
}
};
table = new JTable(model) {
private static final long serialVersionUID = 1L;
@Override
public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {
Component c = super.prepareRenderer(renderer, row, column);
if (isRowSelected(row) && isColumnSelected(column)) {
((JComponent) c).setBorder(new LineBorder(Color.red));
}
return c;
}
};
mainPanel.add(new JScrollPane(table), BorderLayout.CENTER);
mainPanel.add(buttonPanel, BorderLayout.SOUTH);
}
private void addDataActionPerformed() {
for (int i = 0; i < 5; i++) {
Object[] row = new Object[COLUMN_NAMES.length];
for (int j = 0; j < row.length; j++) {
row[j] = random.nextInt(5);
}
model.addRow(row);
}
}
public JComponent getComponent() {
return mainPanel;
}
public static void main(String[] args) {
java.awt.EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
JFrame frame = new JFrame("DefaultTableModelDemo");
frame.getContentPane().add(new DefaultTableModelDemo().getComponent());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
}