间隔色的 JTable

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


public class RoundColorTable extends JFrame ...{ 
    private String[] colname = ...{"第1列","第2列","第3列","第4列","第5列"}; //表头信息 
    private String[][] data = new String[10][5]; //表内容 
     
    //界面组件----------------------// 
    private JScrollPane scroPanel = new JScrollPane(); //中底层滚动面板 
    private DefaultTableModel model; //列表默认TableModel 
    private JTable table; 
     

/** *//** 
 * 构造方法 SelectionDemo() 
 */     
    public RoundColorTable() ...{ 
        makeFace(); 
        addListener(); 
        showFace(); 
    } 



/** *//** 
 * 方法: 界面构建 makeFace() 
 */ 
    private void makeFace() ...{ 
         
        //表内容数组 data[][] 赋值------------// 
        for(int i = 0; i < 10; i++) ...{ 
            for(int j = 0; j < 5; j++) ...{ 
                data[i][j] = "( " + (j+1) + ", " + (i+1) + " )"; 
            } 
        } 
         
        table = new JTable(model = new DefaultTableModel(data,colname)); 
         
        //新建列表现器------------------------// 
        DefaultTableCellRenderer tcr = new DefaultTableCellRenderer() ...{ 
            public Component getTableCellRendererComponent(JTable table,  
                          Object value, boolean isSelected, boolean hasFocus,  
                                                     int row, int column) ...{ 
                     
                if(row%2 == 0) 
                    setBackground(Color.white); //设置奇数行底色 
                else if(row%2 == 1) 
                    setBackground(new Color(206,231,255));  //设置偶数行底色 
                     
                return super.getTableCellRendererComponent(table, value,  
                                          isSelected, hasFocus, row, column); 
            } 
        }; 
        //设置列表现器------------------------// 
        for(int i = 0; i < colname.length; i++) ...{ 
            table.getColumn(colname[i]).setCellRenderer(tcr); 
        } 
                 
                 
        scroPanel.getViewport().setBackground(Color.white); 
        scroPanel.getViewport().add(table); 
         
        //总体界面布局------------------------// 
        getContentPane().add(scroPanel, BorderLayout.CENTER); 
    } 



/** *//** 
 * 方法: 界面显示 showFace() 
 */ 
    private void showFace() ...{ 
        setTitle("间隔色的 JTable"); 
        setSize(500,400); 
        Toolkit tmpTK = Toolkit.getDefaultToolkit(); 
        Dimension dime = tmpTK.getScreenSize(); 
         
        setLocation(dime.width/2 - 250, dime.height/2 - 200); 
        show(); 
    } 



/** *//** 
 * 方法: 添加事件监听 addListener() 
 */    
    private void addListener() ...{ 
        this.addWindowListener(new WindowAdapter()...{  //添加窗口关闭事件 
            public void windowClosing(WindowEvent e)...{ 
                setVisible(false); 
                dispose(); 
                System.exit(0); 
            } 
        }); 
    } 
         
         
/** *//** 
 * 程序入口 main() 
 */ 
    public static void main(String args[]) ...{ 
        //获取设置系统风格-------------------// 
        try ...{ 
            String laf = UIManager.getSystemLookAndFeelClassName(); 
            UIManager.setLookAndFeel(laf); 
        } catch (Exception e) ...{} 
         
        new RoundColorTable(); 
    } 
}