jtabledemo2.java

java入门经典教程 java入门经典教程 java入门经典教程

// 例6.6.2 JTableDemo2.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
public class JTableDemo2
{
	JFrame frame;
	public JTableDemo2()
{
		frame = new JFrame("表格演示窗口");    
		Container c = frame.getContentPane();   

	    TableModel dataModel = new ATableModel();  // 创建一个模式对象
		JTable table = new JTable(dataModel);  // 创建一个指定数据模式的表格

		// 创建一个包含表格对象的滚动面板容器
		JScrollPane jsp = new JScrollPane(table); 
		// 为表格设置可滚动的视图窗口的大小
		table.setPreferredScrollableViewportSize(new Dimension(500,50));
		
		c.add(jsp,BorderLayout.CENTER);// 将滚动面板对象添加到内容面板容器
		frame.pack();
		frame.setVisible(true);
		frame.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e ){
				System.exit(0);
			}
		});
	}
	public static void main(String[] args)
{
		new JTableDemo2();
	}
}
class ATableModel extends AbstractTableModel
{ 
	String[] colHeads={"姓名","身份证号码","学历","年龄","籍贯","婚否"};
    Object[][] data = {
      {"张三","123456789","本科",new Integer(23),"河北",new Boolean(false)},
      {"李四","987654321","硕士",new Integer(28),"山东",new Boolean(true)},
      {"王五","546123789","博士",new Integer(30),"上海",new Boolean(true)},
      {"赵六","498752136","硕士",new Integer(26),"河南",new Boolean(false)},
      {"钱七","125897456","本科",new Integer(25),"四川",new Boolean(true)}
	};
    public int getColumnCount() 
{
		return colHeads.length;
    }
	public int getRowCount() 
{
		return data.length;
	}
        /* 使用getColumnName()方法设置列标题为方法返回值，若没有设置则返回默认
值，依次为A,B,C,...Z,AA,AB,AC...，在这里，使用该方法就是要把已经定义
好的列标题显示出来
        */
	public String getColumnName(int col) 
{		
return colHeads[col];
    }
        // 返回表格中指定行和列的值.
	public Object getValueAt(int row, int col) 
{
		return data[row][col];
	}
        // 返回字段数据类型的类名称
	public Class getColumnClass(int c) 
{
		return getValueAt(0, c).getClass();
    } 
}