login.java

来自「用Java与MySQL开发的小型学生成绩管理系统」· Java 代码 · 共 60 行

package chuangti;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class login extends JFrame {
public login()
{
	JLabel title=new JLabel("学生成绩管理系统");
	JButton studentlogins=new JButton("学生登录");
	Font l=new Font("SansSerif",Font.BOLD,20);
	Font f=new Font("SansSerif",Font.BOLD,66);
	setLayout(new GridLayout(2,1));
    title.setFont(f);
	title.setHorizontalAlignment(SwingConstants.CENTER);
	title.setVerticalAlignment(SwingConstants.CENTER);
	title.setSize(100,100);
    studentlogins.setFont(l);
	studentlogins.addActionListener(new ActionListener()
	{
		public void actionPerformed(ActionEvent e)
		{
		studentlogin studentloginframe=new studentlogin();
	    studentloginframe.setVisible(true);
		studentloginframe.setSize(300,200);
		studentloginframe.setTitle("学生登录");
		studentloginframe.setLocation(300,250);
		}
	});
	JButton teacherlogin=new JButton("教师登录");
	teacherlogin.setFont(l);
	add(title);
	teacherlogin.addActionListener(new ActionListener()
	{
		public void actionPerformed(ActionEvent e)
		{
		teacherlogin a=new teacherlogin();
	    teacherlogin teacherloginframe=new teacherlogin();
		teacherloginframe.setVisible(true);
		teacherloginframe.setSize(300,200);
		teacherloginframe.setTitle("教师登录");
		teacherloginframe.setLocation(300, 250);
		}
		});
	JPanel botton=new JPanel();
	botton.setLayout(new FlowLayout(FlowLayout.CENTER,30,30));
	botton.add(studentlogins);
	botton.add(teacherlogin);
	add(botton);
}
public static void main(String[] args) {
		// TODO Auto-generated method stub
login begin=new login();
begin.setVisible(true);
begin.setSize(900,600);
begin.setTitle("学生成绩管理系统");
begin.setExtendedState(MAXIMIZED_BOTH);
begin.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);}
}