swing_AbstractTableModel 创建表格

 import javax.swing.table.AbstractTableModel;  

 public class MyTable extends AbstractTableModel {
     /**
      *
      */
     private static final long serialVersionUID = 1L;
     Object[][] p = {
             { "11", "Taipei", new Integer(66), new Integer(32),
                     new Integer(98), new Boolean(false), new Boolean(false) },
             { "22", "ChiaYi", new Integer(85), new Integer(69),
                     new Integer(154), new Boolean(true), new Boolean(false) },
             { "33", "ChiaYi", new Integer(85), new Integer(69),
                         new Integer(154), new Boolean(true), new Boolean(false) },
             { "44", "ChiaYi", new Integer(85), new Integer(69),
                             new Integer(154), new Boolean(true), new Boolean(false) }
     };
     String[] n = { "姓名", "居住地", "语文", "数学", "总分", "及格" };  

     public int getColumnCount() {
         return n.length;
     }  

     public int getRowCount() {
         return p.length;
     }  

     public String getColumnName(int col) {
        return n[col];
     }  

     public Object getValueAt(int row, int col) {
         return p[row][col];
      //   return null;
     }  

     public Class getColumnClass(int c) {
         return getValueAt(0, c).getClass();
       //  return null;
     }  

     public boolean isCellEditable(int rowIndex, int columnIndex) {
         return true;
     }  

     public void setValueAt(Object value, int row, int col) {
         p[row][col] = value;
        fireTableCellUpdated(row, col); // 该方法触发TableModelEvent 事件，tableChanged()会进行相应的处理
     }  

     public void mySetValueAt(Object value, int row, int col) {
         p[row][col] = value;
         //fireTableCellUpdated(row, col);  //此处不能有，否则会陷入对自身的调用，导致内存溢出。
     }
 }  

 import java.awt.BorderLayout;
 import java.awt.Dimension;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import javax.swing.DefaultCellEditor;
 import javax.swing.JComboBox;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
 import javax.swing.JScrollPane;
 import javax.swing.JTable;
 import javax.swing.event.TableModelEvent;
 import javax.swing.event.TableModelListener;  

 public class TableEventHandle implements TableModelListener {
     JTable table = null;
     MyTable mt = null;  //tableModel
     JLabel label = null;  

     public TableEventHandle() {
         JFrame f = new JFrame();
         mt = new MyTable();
         mt.addTableModelListener(this);
         table = new JTable(mt);

         JComboBox c = new JComboBox();
         c.addItem("Taipei");
         c.addItem("ChiaYi");
         c.addItem("HsinChu");
         table.getColumnModel().getColumn(1)
                 .setCellEditor(new DefaultCellEditor(c)); 

         table.setPreferredScrollableViewportSize(new Dimension(550, 100)); //设置表格默认展现视图大小 

         JScrollPane s = new JScrollPane(table);  //滚动条
         f.getContentPane().add(s, BorderLayout.CENTER);

         label = new JLabel("修改字段位置：");
         f.getContentPane().add(label, BorderLayout.SOUTH);

         f.setTitle("TableEventHandle");
         f.pack();
         f.setVisible(true);
         f.addWindowListener(new WindowAdapter() {
             public void windowClosing(WindowEvent e) {
                 System.exit(0);
             }
         });
     } 

   @Override
     public void tableChanged(TableModelEvent e) {
         int row = e.getFirstRow();
         int column = e.getColumn();  

         label.setText("修改字段位置：" + (row + 1) + "行" + (column + 1) + "列");  

         boolean cheat = ((Boolean) (mt.getValueAt(row, 6))).booleanValue();
         int grade1 = ((Integer) (mt.getValueAt(row, 2))).intValue();
         int grade2 = ((Integer) (mt.getValueAt(row, 3))).intValue();  

         int total = grade1 + grade2; 

         if (cheat) {
             if (total > 120)
                 mt.mySetValueAt(new Integer(119), row, 4); //只更新值，不触发事件。改为mt.setValueAt()也可。但会不断触发事件，java应该做了相应处理，否则会内存溢出。
             else
                 mt.mySetValueAt(new Integer(total), row, 4);
                 mt.mySetValueAt(new Boolean(false), row, 5);
         } else {
             if (total > 120)
                 mt.mySetValueAt(new Boolean(true), row, 5);
             else
                 mt.mySetValueAt(new Boolean(false), row, 5);
                 mt.mySetValueAt(new Integer(total), row, 4);
         } 

         table.repaint();
     } 

     public static void main(String args[]) {
           new TableEventHandle();
     }