import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class Student extends JFrame{
	static String na=new String("胡旋");
    static String pa=new String("860703");
	Student1 STU1;
	Student3 STU3;
	JLabel l1;
	JLabel l2;
	JLabel l3;
	JTextField tt1;
	JPasswordField tt2;
	JTextField tt3;
	JButton BP1;
	JButton BP2;
	public Student(){
		super("用戶登錄窗口");
		l1=new JLabel("用戶名");
		l2=new JLabel("密碼");
		l3=new JLabel("請輸入登錄窗口：功能 ，查詢