Java JTable获取选定行的数据

Question

Are there any methods that are used to get the data of the selected row ? I just want to simply click a specific row with data on it and click a button that will print the data in the Console.

Answer 1

http://docs.oracle.com/javase/7/docs/api/javax/swing/JTable.html

You will find these methods in it:

getValueAt(int row, int column)
getSelectedRow()
getSelectedColumn()

Use a mix of these to achieve your result.

Answer 2

You can use the following code to get the value of the first column of the selected row of your table.

int column = 0;
int row = table.getSelectedRow();
String value = table.getModel().getValueAt(row, column).toString();

Answer 3

if you want to get the data in the entire row, you can use this combination below

tableModel.getDataVector().elementAt(jTable.convertRowIndexToModel(jTable.getSelectedRow()));

Where "tableModel" is the model for the table that can be accessed like so

(DefaultTableModel) jTable.getModel();

this will return the entire row data.

I hope this helps somebody

Answer 4

Just simple like this:

    tbl.addMouseListener(new MouseListener() {
        @Override
        public void mouseReleased(MouseEvent e) {
        }
        @Override
        public void mousePressed(MouseEvent e) {
            String selectedCellValue = (String) tbl.getValueAt(tbl.getSelectedRow() , tbl.getSelectedColumn());
            System.out.println(selectedCellValue);
        }
        @Override
        public void mouseExited(MouseEvent e) {
        }
        @Override
        public void mouseEntered(MouseEvent e) {
        }
        @Override
        public void mouseClicked(MouseEvent e) {
        }
    });

Answer 5

using from ListSelectionModel :

ListSelectionModel cellSelectionModel = table.getSelectionModel();
cellSelectionModel.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

cellSelectionModel.addListSelectionListener(new ListSelectionListener() {
  public void valueChanged(ListSelectionEvent e) {
    String selectedData = null;

    int[] selectedRow = table.getSelectedRows();
    int[] selectedColumns = table.getSelectedColumns();

    for (int i = 0; i < selectedRow.length; i++) {
      for (int j = 0; j < selectedColumns.length; j++) {
        selectedData = (String) table.getValueAt(selectedRow[i], selectedColumns[j]);
      }
    }
    System.out.println("Selected: " + selectedData);
  }

});

see here.

Answer 6

To get the table entire row data, add the below addTableModelListener for JTable.

table.getModel().addTableModelListener(new TableModelListener() {
            @Override
            public void tableChanged(TableModelEvent e) {
                for (int i = 0; i < table.getModel().getRowCount(); i++) {

                        if (table.getSelectedRow() != -1) {
                            int column = 1;
                            int row = table.getSelectedRow();
                            System.out.println("to get one cell Data:\t"
                                    + table.getModel().getValueAt(row, column).toString());
                            System.out.println("To get entire row data:\t"
                                    + model.getDataVector().elementAt(table.getSelectedRow()));
                            break;
                        }
                    }
                
            }
        });