Jtable和JTree的写法示例代码

package com.jTablehomework;
import java.awt.*;
import java.lang.reflect.Field;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Vector;
import javax.swing.*;
import com.dao.CRUDDAO;
import com.entry.Login;
/**
 * 
 * @author zzy
 * 
 *   2016年12月1日下午1:52:29
 */
public class JTableDemo extends JFrame {
 private JScrollPane jsp;
 private JTable jt;
 private DefaultTableModel tableModel;

 public static void main(String[] args) {
  new JTableDemo();
 }
 public JTableDemo() {
  init();
  setSize(400, 500);
  setLocationRelativeTo(null);
  setVisible(true);
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 }
 private void init() {
  Container con = getContentPane();
  con.setLayout(new BorderLayout());
  createJTable(con);
 }
 public void createJTable(Container con) {
  JLabel jl = new JLabel("用户信息");
  jl.setHorizontalAlignment(SwingConstants.CENTER);
  addData();
  jt = new JTable(tableModel) {
   @Override
   public boolean isCellEditable(int row, int column) {
    return false;
   }
  };
  System.out.println(jt.getName());
  // 用来获得鼠标点击位置的内容
  jt.addMouseListener(new MouseAdapter() {
   public void mouseClicked(MouseEvent e) {
    int selectRow = jt.getSelectedRow();
    // System.out.println(selectRow);
    // int selectcow = jt.getSelectedColumn();
    for (int i = 0; i  list = getData();
  Field[] field = Login.class.getDeclaredFields();
  /**
   * 设置标题
   */
  Object columnNames[] = new Object[field.length];
  for (int i = 0; i  getData() {
  String sql = "select * from Login";
  Map m = new LinkedHashMap();
  m.put(sql, null);
  return new CRUDDAO(Login.class).selectAll(m).get(1);
 }
}