请问如何实现该功能:当单元格处于可编辑状态时生成一个combobox?

Question

请问如何实现该功能:当单元格处于可编辑状态时生成一个combobox?~~~~~~~~~~~~~~~~急~!!!

Answer 1

import java.awt.BorderLayout;
import java.awt.Component;import javax.swing.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;public class ComboBoxEditorTest {
    public static void main(String[] args) {
        TableModel model = new DefaultTableModel(10, 10);
        JTable table = new JTable(model);
        table.setDefaultEditor(Object.class, new ComboBoxEditor());
        JScrollPane sp = new JScrollPane(table);
        JFrame f = new JFrame();
        f.getContentPane().add(sp, BorderLayout.CENTER);
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setSize(800, 600);
        f.setLocationRelativeTo(null);
        f.show();
    }
    
    private static class ComboBoxEditor extends DefaultCellEditor
    {
        public ComboBoxEditor()
        {
            super(new JComboBox());
        }        public Component getTableCellEditorComponent(JTable table,
                Object value, boolean isSelected, int row, int column) {
            
            JComboBox comboBox = (JComboBox) editorComponent;
            comboBox.removeAllItems();
            for (int i = 0; i < row+1; i++) {
                comboBox.addItem(String.valueOf(i));
            }
            return super.getTableCellEditorComponent(
                    table, value, isSelected,row, column);
        }
    }
}