homepage.java

学生成绩管理系统：能输入学科

import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author HSM
 */
public class Homepage{
    public static void main(String[] args){
        WelcomeFrame();
        
    }
    protected static void WelcomeFrame(){
        final JFrame frame = new JFrame("综合性实验");
        final Container container = frame.getContentPane();
        final Font font1 = new Font("SansSerif",Font.BOLD,40);
        JMenuBar menuBar = new JMenuBar();
        frame.setJMenuBar(menuBar);
        JMenu Menu1 = new JMenu("工具");
        JMenu Menu2 = new JMenu("帮助");
        JMenu Menu3 = new JMenu("退出");
        menuBar.add(Menu1);
        menuBar.add(Menu2);
        menuBar.add(Menu3);
        
        JMenuItem Mu1Item1 = Menu1.add(new TestAction("基本数据输入"));
        JMenuItem Mu1Item2 = Menu1.add(new TestAction("考试成绩输入"));
        JMenuItem Mu1Item3 = Menu1.add(new TestAction("成绩查询"));
        JMenuItem Mu1Item4 = Menu1.add(new TestAction("成绩分析")); 
        JMenuItem Mu2Item1 = Menu2.add(new TestAction("首页"));
        JMenuItem Mu2Item = Menu2.add(new TestAction("关于"));
        JMenuItem Mu3Item = Menu3.add(new TestAction("退出"));
        
        JPanel p1 = new JPanel(new BorderLayout());
        final JLabel jLabel1 = new JLabel("学生考试成绩分析系统",SwingConstants.CENTER);
        jLabel1.setFont(font1);
        p1.add(jLabel1,BorderLayout.NORTH);
//        JPanel p3 = new JPanel(new FlowLayout());
        JPanel p2 = new JPanel(new FlowLayout());
        JButton jbt1 = new JButton("基本数据输入");
        p2.add(jbt1);
        JButton jbt2 = new JButton("考试成绩输入");
        p2.add(jbt2);
        JButton jbt3 = new JButton("    成绩查询    ");
        p2.add(jbt3);
        JButton jbt4 = new JButton("    成绩分析    ");
        p2.add(jbt4);
        p1.add(p2,BorderLayout.CENTER);
        container.add(p1,SwingConstants.CENTER);
        frame.setSize(600,400);
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        int screenHeight = screenSize.height;
        int screenWidth = screenSize.width;
        int x = (screenWidth -frame.getWidth()) / 2;
        int y = (screenHeight - frame.getHeight()) / 2;
        frame.setLocation(x,y);
        frame.setVisible(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        ButtonListener1 btListener1 = new ButtonListener1();
        jbt1.addActionListener(btListener1);    
        ButtonListener2 btListener2 = new ButtonListener2();
        jbt2.addActionListener(btListener2);
        ButtonListener3 btListener3 = new ButtonListener3();
        jbt3.addActionListener(btListener3);
        ButtonListener4 btListener4 = new ButtonListener4();
        jbt4.addActionListener(btListener4);
        Mu1Item1.addActionListener(new ButtonListener1());
        Mu1Item2.addActionListener(new ButtonListener2());
        Mu1Item3.addActionListener(new ButtonListener3());
        Mu1Item4.addActionListener(new ButtonListener4());
        
        Mu3Item.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                System.exit(0);
            }
        });
        Mu2Item.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                JPanel p1 = new JPanel(new GridLayout(5,0));
                JLabel jLabel2 = new JLabel("华南农业大学 07软件工程8班",SwingConstants.CENTER);
                JLabel jLabel3 = new JLabel("200731000808 黄宋明 制作\n",SwingConstants.CENTER);
                JLabel jLabel6 = new JLabel("",SwingConstants.CENTER);
                JLabel jLabel7 = new JLabel("",SwingConstants.CENTER);
                jLabel6.setFont(font1);
                jLabel7.setFont(font1);
                p1.add(jLabel1);
                p1.add(jLabel6);
                p1.add(jLabel2);
                p1.add(jLabel3);
                p1.add(jLabel7);
             //   frame.setVisible(false);
                frame.getContentPane().removeAll();
                container.add(p1,SwingConstants.CENTER);
                frame.setVisible(true);
            }
        });  
        Mu2Item1.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                frame.dispose();
                WelcomeFrame();
            }
        });
        }
}



class TestAction extends AbstractAction{
   public TestAction(String name) { super(name); }

   public void actionPerformed(ActionEvent event){
    }
}