如何将JRadioButton添加到JTable和ButtonGroup的两个columuns中。

我想要一个由2列（具有RadioButton ）Active和Inactive组成的JTable ，这样如果选择了Active Column，那么Inactive RadioButton将被Unselected ，反之亦然意味着在单行中只能从2个radiobutton中选择1个radiobutton。 radiobutton的代码如下。 我无法为这2列添加buttongroup。

  public class NewJFrame extends javax.swing.JFrame { DefaultTableModel dt; public JRadioButton radioButton=new JRadioButton(); public class RadioButtonCellEditorRenderer extends AbstractCellEditor implements TableCellRenderer, TableCellEditor, ActionListener { public RadioButtonCellEditorRenderer() { radioButton.addActionListener(this); radioButton.setOpaque(false); } @Override public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { radioButton.setSelected(Boolean.TRUE.equals(value)); return radioButton; } @Override public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) { radioButton.setSelected(Boolean.TRUE.equals(value)); return radioButton; } @Override public void actionPerformed(ActionEvent e) { stopCellEditing(); } @Override public Object getCellEditorValue() { return radioButton.isSelected(); } } public NewJFrame() { initComponents(); for(int i=0;i <10;i++) { //ButtonGroup bp[i]= new ButtonGroup(); dt.addRow(new Object[]{null,false,false}); } // jTable1.setValueAt(false, 5, 1); } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ @SuppressWarnings("unchecked") //  private void initComponents() { buttonGroup1 = new javax.swing.ButtonGroup(); jScrollPane4 = new javax.swing.JScrollPane(); jTable1 = new javax.swing.JTable(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); dt= (new javax.swing.table.DefaultTableModel(new Object[][]{{null,null,null}},new String [] {"Name","Select", "Unselect"}) { Class[] types = new Class [] {java.lang.Integer.class,java.lang.String.class, java.lang.String.class}; public Class getColumnClass(int columnIndex) { return types [columnIndex]; } public boolean isCellEditable(int r,int c) { return true; } }); //JTextField textBox= new JTextField(); jTable1.setModel(dt); TableColumn column = jTable1.getColumnModel().getColumn(1); column.setCellEditor(new RadioButtonCellEditorRenderer()); column.setCellRenderer(new RadioButtonCellEditorRenderer()); TableColumn column1 = jTable1.getColumnModel().getColumn(2); column1.setCellEditor(new RadioButtonCellEditorRenderer()); column1.setCellRenderer(new RadioButtonCellEditorRenderer()); jTable1.getTableHeader().setReorderingAllowed(false); jScrollPane4.setViewportView(jTable1); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(12, 12, 12) .addComponent(jScrollPane4, javax.swing.GroupLayout.PREFERRED_SIZE, 375, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(13, Short.MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup() .addGap(28, 28, 28) .addComponent(jScrollPane4, javax.swing.GroupLayout.PREFERRED_SIZE, 243, javax.swing.GroupLayout.PREFERRED_SIZE) .addContainerGap(29, Short.MAX_VALUE)) ); pack(); }//  /** * @param args the command line arguments */ public static void main(String args[]) { /* Set the Nimbus look and feel */ // /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel. * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html */ try { for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { javax.swing.UIManager.setLookAndFeel(info.getClassName()); break; } } } catch (ClassNotFoundException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } // /* Create and display the form */ java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new NewJFrame().setVisible(true); } }); } 

Answer 1

这是我的示例代码，我对其进行了修改，并在第2列中根据您的要求放置了另一个JRadioButton 。 第一列和第二列都按行分组，如ButtonGroup。

输出：

 import java.awt.BorderLayout; import java.awt.Component; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.util.ArrayList; import java.util.List; import javax.swing.DefaultCellEditor; import javax.swing.JButton; import javax.swing.JCheckBox; import javax.swing.JDialog; import javax.swing.JPanel; import javax.swing.JRadioButton; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.SwingUtilities; import javax.swing.table.AbstractTableModel; import javax.swing.table.TableCellRenderer; /** Dialog class **/ public class DisplayTable extends JDialog { public void initialize() { SourceTableModel stm = new SourceTableModel(); JTable sourceTable = new JTable(stm); sourceTable.getColumnModel().getColumn(0).setCellRenderer(new RadioButtonRenderer()); sourceTable.getColumnModel().getColumn(0).setCellEditor(new RadioButtonEditor(new JCheckBox())); sourceTable.getColumnModel().getColumn(1).setCellRenderer(new RadioButtonRenderer()); sourceTable.getColumnModel().getColumn(1).setCellEditor(new RadioButtonEditor(new JCheckBox())); JPanel panel = new JPanel(); panel.add(new JScrollPane(sourceTable)); add(panel, BorderLayout.CENTER); JPanel btnPanel = new JPanel(); JButton btnApply = new JButton("Close"); btnPanel.add(btnApply); btnApply.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent arg0) { System.exit(0); } }); add(btnPanel, BorderLayout.SOUTH); setTitle("Radio Button in JTable Example"); setModal(true); pack(); setVisible(true); } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { public void run() { new DisplayTable().initialize(); } }); } } /** Table Model class for the Table **/ class SourceTableModel extends AbstractTableModel { private static final long serialVersionUID = 1L; private List sourceList = new ArrayList(); private String[] columnNamesList = {"Active", "InActive", "One", "Two"}; public SourceTableModel() { this.sourceList = getSourceDOList(); } @Override public String getColumnName(int column) { return columnNamesList[column]; } @Override public int getRowCount() { return sourceList.size(); } @Override public int getColumnCount() { return columnNamesList.length; } @Override public Class getColumnClass(int columnIndex) { return ((columnIndex == 0 || columnIndex == 1) ? Boolean.class : String.class); } @Override public boolean isCellEditable(int rowIndex, int columnIndex) { return ((columnIndex == 0 || columnIndex == 1) ? true : false); } /** **Important:** Here when ever user clicks on the column one then other column values should be made false. Similarly vice-versa is also true. **/ @Override public void setValueAt(Object aValue, int rowIndex, int columnIndex) { SourceModel model = (SourceModel) sourceList.get(rowIndex); switch (columnIndex) { case 0: model.setSelect(true); model.setInActive(false); fireTableRowsUpdated(0, getRowCount() - 1); break; case 1: model.setSelect(false); model.setInActive(true); fireTableRowsUpdated(0, getRowCount() - 1); break; case 2: model.setFactory((String) aValue); break; case 3: model.setSupplier((String) aValue); break; } fireTableCellUpdated(rowIndex, columnIndex); } @Override public Object getValueAt(int rowIndex, int columnIndex) { SourceModel source = sourceList.get(rowIndex); //SourceModel source = getSourceDOList().get(rowIndex); switch(columnIndex){ case 0: return source.isSelect(); case 1: return source.isInActive(); case 2: return source.getFactory(); case 3: return source.getSupplier(); default: return null; } } /** * List for populating the table. * @return list of sourceDO's. */ private List getSourceDOList() { List tempSourceList = new ArrayList(); for (int index = 0; index < 5; index++) { SourceModel source = new SourceModel(); source.setSelect(false); source.setInActive(false); source.setFactory("One " + index); source.setSupplier("Two " + index); tempSourceList.add(source); } return tempSourceList; } } /** Class that is holding the model for each row **/ class SourceModel { private boolean active; private boolean inActive; private String factory; private String supplier; public SourceModel() { // No Code; } public SourceModel(boolean select, boolean inActive, String factory, String supplier) { super(); this.active = select; this.inActive = inActive; this.factory = factory; this.supplier = supplier; } public boolean isSelect() { return active; } public void setSelect(boolean select) { this.active = select; } public String getFactory() { return factory; } public boolean isInActive() { return inActive; } public void setInActive(boolean inActive) { this.inActive = inActive; } public void setFactory(String factory) { this.factory = factory; } public String getSupplier() { return supplier; } public void setSupplier(String supplier) { this.supplier = supplier; } } /** Renderer class for JRadioButton **/ class RadioButtonRenderer implements TableCellRenderer { public JRadioButton btn = new JRadioButton(); public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { if (value == null) return null; btn.setSelected((Boolean) value); return btn; } } /** Editor class for JRadioButton **/ class RadioButtonEditor extends DefaultCellEditor implements ItemListener { public JRadioButton btn = new JRadioButton(); public RadioButtonEditor(JCheckBox checkBox) { super(checkBox); } public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) { if (value == null) return null; btn.addItemListener(this); if (((Boolean) value).booleanValue()) btn.setSelected(true); else btn.setSelected(false); return btn; } public Object getCellEditorValue() { if(btn.isSelected() == true) return new Boolean(true); else return new Boolean(false); } public void itemStateChanged(ItemEvent e) { super.fireEditingStopped(); } } 

编辑：在表模型中定义列后，您需要使用以下语句对列0和1使用Rendering and Editing 。

 sourceTable.getColumnModel().getColumn(1).setCellRenderer(new RadioButtonRenderer()); sourceTable.getColumnModel().getColumn(1).setCellEditor(new RadioButtonEditor(new JCheckBox())); 

同样，您也需要为第2列和第3列（根据需要）进行操作。 您需要查看的一个重要步骤是TableModel中的setValueAt(..)方法，您需要对列（0,1）和（2,3）进行分组，以便在selected第0列时将第1列设为deselected ，同样是2列和3列。 对于案例2，请查看下面的setValueAt(..)方法代码。当用户选择第二列时，我们将该列设为true，并将第三列设为false。 您只需对第2列和第3列执行相同操作。

  case 2: model.setSelect(true); model.setInActive(false); break;