怎么样设置JTable某个单元格的背景颜色和前景颜色

下面这个实例是设置表格的第一行第三格背景颜色为蓝色，前景颜色为红色。package com.test.view;import java.awt.BorderLayout;import java.awt.Color;import java.awt.Component;import javax.swing.JFrame;import javax.swing.JScrol

Ian

11402人浏览 · 2011-12-06 11:15:31

Ian · 2011-12-06 11:15:31 发布

下面这个实例是设置表格的第一行第三格背景颜色为蓝色，前景颜色为红色。
 
 package com.test.view;
 import java.awt.BorderLayout;
 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.TableCellRenderer;
 
 class EvenOddRenderer implements TableCellRenderer {
 
 public static final DefaultTableCellRenderer DEFAULT_RENDERER =
 new DefaultTableCellRenderer();
 
 public Component getTableCellRendererComponent(JTable table, Object value,
 boolean isSelected, boolean hasFocus, int row, int column) {
 Component renderer =
 DEFAULT_RENDERER.getTableCellRendererComponent(table, value,
 isSelected, hasFocus, row, column);
 Color foreground, background;
 
 if (row == 0&&column==2) {
 foreground = Color.red;
 background = Color.BLUE;
 }  else {
 foreground = Color.BLACK;
 background = Color.WHITE;
 }
 renderer.setForeground(foreground);
 renderer.setBackground(background);
 return renderer;
 }
 }
 public class ResizeTable {
 public static void main(String args[]) {
 
 final Object rowData[][] = { 
 { "1", "one",  "I" },
 { "2", "two",  "II" },
 { "3", "three", "III" }};
 final String columnNames[] = { "#", "English", "Roman" };
 
 final JTable table = new JTable(rowData, columnNames);
 JScrollPane scrollPane = new JScrollPane(table);
 
 table.setDefaultRenderer(Object.class,new EvenOddRenderer());    
 
 JFrame frame = new JFrame("Resizing Table");
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
 frame.add(scrollPane, BorderLayout.CENTER);
 
 frame.setSize(300, 150);
 frame.setVisible(true);
 
 }
 }