swing中把数据库的数据显示在界面表格中

private JFrame J;
	private DefaultTableModel model;
	private JTable table;

	Hangban() throws ClassNotFoundException ,SQLException{

		J = new JFrame();
		J.setTitle("航班信息");
		J.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		J.setVisible(true);
		J.setBounds(230, 130, 620, 400);
		AbstractTableModel tm;

		final String[] title = { "航班号", "起飞时间", "始发地", "目的地", "总票数", "头等舱票数",
				"商务舱票数", "经济舱票数" };
		JScrollPane jsp;

		@SuppressWarnings({ "rawtypes", "unchecked" })
		final Vector<Vector<Comparable>> vect = new Vector();// 实例化向量
		tm = new AbstractTableModel() {// 实现AbstractTableModel的抽象方法
			/**
		 * 
		 */
			private static final long serialVersionUID = 1L;

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

			public int getRowCount() {
				// TODO 自动生成的方法存根
				return vect.size();
			}

			public Object getValueAt(int row, int column) {
				// TODO 自动生成的方法存根
				if (!vect.isEmpty())
					return (((Vector<?>) vect.elementAt(row)).elementAt(column));
				else
					return null;
			}

			public String getColumnName(int column) {
				return title[column];// 设置表格列名
			}

			public void setValueAt(Object value, int row, int column) {
			}

			public Class<? extends Object> getColumnClass(int c) {
				return getValueAt(0, c).getClass();
			}// 取得所属对象类

			public boolean isCellEditable(int row, int column) {

				return false;
			}// 设置单元格不可编辑
		};
		table = new JTable(tm);
		table.setToolTipText("显示所有的数据");
		table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);// 设置表格调整尺寸模式
		table.setCellSelectionEnabled(false);// 设置单元格选择方式
		table.setShowVerticalLines(true);// 设置是否显示单元格间的分割线
		table.setShowHorizontalLines(true);

		jsp = new JScrollPane(table);

		J.add(jsp);

		Connection con = null;
		Statement stmt = null;
		ResultSet rs = null;

		Class.forName("com.hxtt.sql.access.AccessDriver");
		con = DriverManager.getConnection("jdbc:odbc:tourist_access");
		stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
				ResultSet.CONCUR_UPDATABLE);
		rs = stmt.executeQuery("select * from flight ");

		vect.removeAllElements();// 初始化向量对象
		tm.fireTableStructureChanged();// 更新表格内容
		while (rs.next()) {
			@SuppressWarnings("rawtypes")
			Vector<Comparable> v = new Vector<Comparable>();
			v.add(rs.getInt(1));
			v.add(rs.getString(2));
			v.add(rs.getString(3));
			v.add(rs.getString(4));
			v.add(rs.getInt(5));
			v.add(rs.getInt(7));
			v.add(rs.getInt(6));
			v.add(rs.getInt(8));
			vect.add(v);
			tm.fireTableStructureChanged();
		}

		
		if (rs != null) {
			rs.close();
			rs = null;
		}
		if (stmt != null) {
			stmt.close();
			stmt = null;
		}
		if (con != null) {
			con.close();
			con = null;
		}
	}