jtable隔行以不同颜色显示

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jtable隔行以不同颜色显示

//TableRowColor.java

import javax.swing.*;
import java.awt.*;
import javax.swing.table.*;

public class TableRowColor extends JFrame {
String[] columnNames = {"第1列", "第2列", "第3列"};
Object[][] data = {
      {
      "(1,1)", "(1,2)", "(1,3)"}
      , {
      "(2,1)", "(2,2)", "(2,3)"}
      , {
      "(3,1)", "(3,2)", "(3,3)"}
      , {
      "(4,1)", "(4,2)", "(4,3)"}
      ,
};
public TableRowColor() {
    DefaultTableModel dtm = new DefaultTableModel(data, columnNames);
    JTable table = new JTable(dtm);
    table = new JTable(dtm) {

      public Component prepareRenderer(TableCellRenderer renderer, int row,
                                       int column) {
        Component component = super.prepareRenderer(renderer, row, column);

        if (row % 2 == 0) { //将row改为column，则分列以不同颜色显示
          component.setBackground(Color.white);
        }
        if (row % 2 == 1) {
          component.setBackground(Color.gray);
        }

        return component;
      }
    };

    JScrollPane scroll = new JScrollPane(table);
    this.setContentPane(scroll);
    this.setBounds(100, 50, 300, 150);
}

public static void main(String arg[]) {
    TableRowColor tes = new TableRowColor();
    tes.setVisible(true);
    tes.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}