请教：鼠标选中table的某行或多行时，通过渲染器来设置单行或多行的颜色

Question

如题？
谢谢！！

Answer 1

import java.awt.Color;
import java.awt.Component;import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableModel;public class TableRowColorTest extends JFrame {    TableModel dataModel = new DefaultTableModel() {
        public int getColumnCount() {
            return 10;
        }        public int getRowCount() {
            return 10;
        }        public Object getValueAt(int row, int col) {
            return new Integer(row + "" + col);
        }        public boolean isCellEditable(int row, int col) {
            return true;
        }        @Override
        public String getColumnName(int column) {
            return Integer.valueOf(column).toString();
        }
    };    private JTable table = new JTable(dataModel);    private JScrollPane scrollpane = new JScrollPane(table);    public TableRowColorTest() {
        table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
        for (int i = 0; i < table.getColumnCount(); i++) {
            table.getColumn(Integer.valueOf(i).toString()).setCellRenderer(new TestRenderer());
        }
    }    private void showTest() {
        this.getContentPane().add(scrollpane);
        this.setVisible(true);
        this.pack();
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }    public static void main(String[] args) {
        TableRowColorTest tt = new TableRowColorTest();
        tt.showTest();
    }    private class TestRenderer extends DefaultTableCellRenderer {
        @Override
        public Component getTableCellRendererComponent(JTable table,
                                                       Object value,
                                                       boolean isSelected,
                                                       boolean hasFocus,
                                                       int row,
                                                       int column) {
            Component renderer =
                    super.getTableCellRendererComponent(
                        table,
                        value,
                        isSelected,
                        hasFocus,
                        row,
                        column);
            if (isSelected) {
                // set color your logic
                renderer.setBackground(Color.BLUE);
            } else {
                super.setBackground(table.getBackground());
            }
            return renderer;
        }
    }}