操纵表格

public class ExanpleFrame_04 extends JFrame{

    private static final long serialVersionUID = 1L;
    private JTable table ;
    
    
    
    public ExanpleFrame_04() {
        // TODO Auto-generated constructor stub
        super();
        setTitle("操控表格");
        setBounds(100,100,500,375);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        
        final JScrollPane scrollPane = new JScrollPane();
        getContentPane().add(scrollPane,BorderLayout.CENTER);
        
        String[] columnNames = {"A","B","C","D","E","F","G"};
        Vector<String> columnNameV = new Vector<>();
        for(int i=0;i<columnNames.length;i++){
            columnNameV.add(columnNames[i]);
        }
        
        Vector<Vector<String>> tableBalueV = new Vector<>();
        for(int i=1;i<21;i++){
            Vector<String>iV = new Vector<>();
            for(int j=0;j<columnNames.length;j++){
                iV.add(columnNames[j]+i);
            }
            tableBalueV.add(iV);
        }
        
        table = new JTable(tableBalueV,columnNameV);
        table.setRowSelectionInterval(1, 3);
        table.addRowSelectionInterval(5, 5);
        scrollPane.setViewportView(table);
        
        JPanel buttonpanel = new JPanel();
        getContentPane().add(buttonpanel, BorderLayout.SOUTH);
        
        JButton selectALLButton = new JButton("全部选择");
        selectALLButton.addActionListener(new ActionListener() {
            
            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                table.selectAll();
            }
        });
        
        buttonpanel.add(selectALLButton);
        
        JButton clearSelectionButton = new JButton("全部取消");
        clearSelectionButton.addActionListener(new ActionListener() {
            
            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                table.clearSelection();
            }
        });
        buttonpanel.add(clearSelectionButton);
        System.out.println("表格共有" +table.getRowCount() + "行" + table.getColumnCount() + "列");
        System.out.println("共有" + table.getSelectedColumnCount() +"行被选中");
        System.out.println("第三行的选择状态为"+ table.isRowSelected(2));
        System.out.println("第五行的选择状态为"+ table.isRowSelected(4));
        System.out.println("被选中的第一行的引索是:" + table.getSelectedRow());
        int[] selectedRows = table.getSelectedRows();
        System.out.println("被选中所有行的引索是:");
        for(int i=0;i<selectedRows.length;i++){
            System.out.print(selectedRows[i] + " ");
        }
        System.out.println();
        System.out.println("列移动前第二列的名称是:"+ table.getColumnName(1));
        System.out.println("列移动前第二行第二列的值是:"+ table.getValueAt(1,1));
        table.moveColumn(1, 5);
        System.out.println("列移动后第二列的名称是" + table.getColumnName(1));
        System.out.println("列移动前第二行第二列的值是:"+ table.getValueAt(1,1));
    }
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        ExanpleFrame_04 exanpleFrame_04 = new ExanpleFrame_04();
        exanpleFrame_04.setVisible(true);
    }
}