重写getCellEditor（…）方法。例如;
import java.awt.*;import java.awt.event.*;import java.util.List;import java.util.ArrayList;import javax.swing.*;import javax.swing.border.*;import javax.swing.table.*;public class TableComboBoxByRow extends Jframe{ List<TableCellEditor> editors = new ArrayList<TableCellEditor>(3); public TableComboBoxByRow() { // Create the editors to be used for each row String[] items1 = { "Red", "Blue", "Green" }; JComboBox comboBox1 = new JComboBox( items1 ); DefaultCellEditor dce1 = new DefaultCellEditor( comboBox1 ); editors.add( dce1 ); String[] items2 = { "Circle", "Square", "Triangle" }; JComboBox comboBox2 = new JComboBox( items2 ); DefaultCellEditor dce2 = new DefaultCellEditor( comboBox2 ); editors.add( dce2 ); String[] items3 = { "Apple", "Orange", "Banana" }; JComboBox comboBox3 = new JComboBox( items3 ); DefaultCellEditor dce3 = new DefaultCellEditor( comboBox3 ); editors.add( dce3 ); // Create the table with default data Object[][] data = { {"Color", "Red"}, {"Shape", "Square"}, {"Fruit", "Banana"}, {"Plain", "Text"} }; String[] columnNames = {"Type","Value"}; DefaultTableModel model = new DefaultTableModel(data, columnNames); JTable table = new JTable(model) { // Determine editor to be used by row public TableCellEditor getCellEditor(int row, int column) { int modelColumn = convertColumnIndexToModel( column ); if (modelColumn == 1 && row < 3) return editors.get(row); else return super.getCellEditor(row, column); } }; JScrollPane scrollPane = new JScrollPane( table ); getContentPane().add( scrollPane ); } public static void main(String[] args) { TableComboBoxByRow frame = new TableComboBoxByRow(); frame.setDefaultCloseOperation( EXIT_ON_CLOSE ); frame.pack(); frame.setVisible(true); }}
