只是在JTableHeader中使用TableCellEditor的想法是错误的，也不是multi_line_header，购买Jide（支持）
使用JTextField中的RowFilter可能更简单，
注意不要忘记将索引从视图坐标转换为模型坐标
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import java.awt.*;import javax.swing.*;import javax.swing.event.*;import javax.swing.table.*;//pre based on posts by @camickrpublic class TableFilterRow implements TableColumnModelListener { private static final long serialVersionUID = 1L; private Jframe frame = new Jframe(); private JTable table = new JTable(3, 5); private JScrollPane scrollPane = new JScrollPane(table); // Panel for text fields private JPanel filterRow = new JPanel(new FlowLayout(FlowLayout.CENTER, 0, 0)); public TableFilterRow() { table.setPreferredScrollableViewportSize(table.getPreferredSize()); table.getColumnModel().addColumnModelListener(this); filterRow = new JPanel(new FlowLayout(FlowLayout.CENTER, 0, 0)); for (int i = 0; i < table.getColumnCount(); i++) { filterRow.add(new JTextField(" Sum at - " + i)); } columnMarginChanged(new ChangeEvent(table.getColumnModel())); frame.add(scrollPane); frame.add(filterRow, BorderLayout.SOUTH); frame.setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); } // Implement TableColumnModelListener methods // (Note: instead of implementing a listener you should be able to // override the columnMarginChanged and columMoved methods of JTable) @Override public void columnMarginChanged(ChangeEvent e) { TableColumnModel tcm = table.getColumnModel(); int columns = tcm.getColumnCount(); for (int i = 0; i < columns; i++) { JTextField textField = (JTextField) filterRow.getComponent(i); Dimension d = textField.getPreferredSize(); d.width = tcm.getColumn(i).getWidth(); textField.setPreferredSize(d); } SwingUtilities.invokeLater(new Runnable() { @Override public void run() { filterRow.revalidate(); } }); } @Override public void columnMoved(TableColumnModelEvent e) { Component moved = filterRow.getComponent(e.getFromIndex()); filterRow.remove(e.getFromIndex()); filterRow.add(moved, e.getToIndex()); filterRow.validate(); } @Override public void columnAdded(TableColumnModelEvent e) { } @Override public void columnRemoved(TableColumnModelEvent e) { } @Override public void columnSelectionChanged(ListSelectionEvent e) { } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { TableFilterRow frame = new TableFilterRow(); } }); }}
