jtable简单例子

//以前在网上找到的。

 

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 (isSelected) {  
      foreground = Color.YELLOW;  
      background = Color.GREEN;  
    }  else {  
      if (row % 2 == 0) {  
        foreground = Color.BLUE;  
        background = Color.WHITE;  
      }  else {  
        foreground = Color.WHITE;  
        background = Color.BLUE;  
      }  
    }  
    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);  
 
  }  
}