datamodel.java

一个java与数据库连接的好例子

package com.eap;

import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.AbstractTableModel;



public class DataModel extends AbstractTableModel {
    Object[][] data =null;
    
    class TML implements TableModelListener {
      public void tableChanged(TableModelEvent e) {
        /*txt.setText(""); // Clear it
        for(int i = 0; i < data.length; i++) {
          for(int j = 0; j < data[0].length; j++)
            txt.append(data[i][j] + " ");
          txt.append("\n");
        }*/
      }
    }
    public DataModel(Object[][] aa) { 
    	this.data=aa;
    	addTableModelListener(new TML());
    }
    public int getColumnCount() { return data[0].length; }
    public int getRowCount() { return data.length; }
    public Object getValueAt(int row, int col) {
      return data[row][col];
    }
    public void setValueAt(Object val, int row, int col) {
      data[row][col] = val;
     
      fireTableDataChanged();
    }
    public boolean isCellEditable(int row, int col) {
      return true;
    }
  }