资 源 简 介
import javax.swing.*;
import java.awt.event.*;
import java.sql.*;
public class Login extends JFrame implements ActionListener {
private JLabel lbId, lbPass;
private JTextField txtId, txtPass;
private JButton btLogin, btExit;
private Connection datacon = null;//连接对象
private PreparedStatement pstat = null;//命令对象
private ResultSet rs = null;//结果
