在彼此下方使用 2 个表格是一个好方法。
如果您希望能够调整/移动/删除列,关键是不要在表之间重用相同的 columnModel。让听众调整大小。参见示例:
package snippet;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.SwingUtilities;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.TableColumnModelEvent;
import javax.swing.event.TableColumnModelListener;
import javax.swing.table.TableColumnModel;
public class FixedRow2Tables extends JFrame {
private static final long serialVersionUID = 4676303089799270571L;
Object[][] data;
Object[] column;
JTable footerTable, table;
public FixedRow2Tables() {
super("Fixed Row Example");
Object[][] mainData = new Object[][] { { "a", "", "", "", "", "" },
{ "", "b", "", "", "", "" }, { "", "", "c", "", "", "" },
{ "", "", "", "d", "", "" }, { "", "", "", "", "e", "" },
{ "", "", "", "", "", "f" } };
Object[][] summaryData = { { "fixed1", "", "", "", "", "" },
{ "fixed2", "", "", "", "", "" } };
column = new Object[] { "A", "B", "C", "D", "E", "F" };
table = new JTable(mainData, column);
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
footerTable = new JTable(summaryData, column);
footerTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
footerTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
footerTable.setTableHeader(null);
// footerTable.setColumnModel(table.getColumnModel());
table.getColumnModel().addColumnModelListener(
new TableColumnModelListener() {
@Override
public void columnSelectionChanged(ListSelectionEvent e) {
}
@Override
public void columnRemoved(TableColumnModelEvent e) {
}
@Override
public void columnMoved(TableColumnModelEvent e) {
}
@Override
public void columnMarginChanged(ChangeEvent e) {
final TableColumnModel tableColumnModel = table
.getColumnModel();
TableColumnModel footerColumnModel = footerTable
.getColumnModel();
for (int i = 0; i < tableColumnModel.getColumnCount(); i++) {
int w = tableColumnModel.getColumn(i).getWidth();
footerColumnModel.getColumn(i).setMinWidth(w);
footerColumnModel.getColumn(i).setMaxWidth(w);
// footerColumnModel.getColumn(i).setPreferredWidth(w);
}
footerTable.doLayout();
footerTable.repaint();
repaint();
}
@Override
public void columnAdded(TableColumnModelEvent e) {
}
});
JScrollPane scroll = new JScrollPane(table);
scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
scroll.setPreferredSize(new Dimension(400, 100));
getContentPane().add(scroll, BorderLayout.CENTER);
getContentPane().add(footerTable, BorderLayout.SOUTH);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
FixedRow2Tables frame = new FixedRow2Tables();
frame.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.pack();
frame.setVisible(true);
}
});
}
}