homework.java

学生成绩管理系统：能输入学科

package 学生考试成绩分析程序;

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

public class HomeWork extends JFrame implements ActionListener
{
    private JButton addStudents,addCourses,saveGrade,gradeQuery,gradeAnalyse,exit;
    public static void main(String[] args)
    {
        new HomeWork();
    }
    public HomeWork()
    {
        JPanel jpLabel=new JPanel();
        JPanel jpButton=new JPanel();
        jpButton.setLayout(new GridLayout(2,3,4,5));
        jpLabel.add(new JLabel( "欢迎使用学生考试成绩分析系统"));
        jpButton.add(addStudents =new JButton("增加学生"));
        jpButton.add(addCourses =new JButton("增加课程"));
        jpButton.add(saveGrade =new JButton("保存成绩"));
        jpButton.add(gradeQuery =new JButton("成绩查询"));
        jpButton.add(gradeAnalyse =new JButton("成绩分析"));
        jpButton.add(exit =new JButton("退出"));
        getContentPane().setBackground(Color.WHITE);
        getContentPane().add(jpLabel,BorderLayout.NORTH);
        getContentPane().add(jpButton,BorderLayout.CENTER);
       
        addStudents.addActionListener(this);
        addCourses.addActionListener(this);
        saveGrade.addActionListener(this);
        gradeQuery.addActionListener(this);
        gradeAnalyse.addActionListener(this);
        exit.addActionListener(this);
        
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setTitle("                         综合性实验 ");
        this.setSize(350,150);
        this.setLocation(450,300);
        this.setVisible(true);
     

    }
    public void actionPerformed(ActionEvent e)
    {
       if(e.getSource()==addStudents)
       {
           AddStudent frame=new AddStudent();
           frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
           frame.setTitle("输入学生信息：");
           frame.setSize(350,150);
           frame.setLocation(450,300);
           frame.setVisible(true);
        }
        else if(e.getSource()==addCourses)
        {
            AddCourse frame=new AddCourse();
            frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            frame.setTitle("输入课程信息：");
            frame.setSize(350,150);
            frame.setLocation(450,300);
            frame.setVisible(true);
        }
        else if(e.getSource()==saveGrade)
        {
            SaveScore frame=new SaveScore();
            frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            frame.setTitle("保存成绩：");
            frame.pack();
            frame.setLocation(450,300);
            frame.setVisible(true);
        }
                else if(e.getSource()==gradeQuery)
                {
                    Query frame=  new Query();
                    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
                    frame.setTitle("成绩查询：");
                    frame.setSize(350,150);
                    frame.setLocation(450,300);
                    frame.setVisible(true);
        }
                else if(e.getSource()==gradeAnalyse)
                {
                    GradeAnalyse frame=  new GradeAnalyse();
                    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
                    frame.setTitle("成绩分析 ");
                    frame.pack();
                    frame.setLocation(400,320);
                    frame.setVisible(true);
           
        }

        else if(e.getSource()==exit)
        {
            System.exit(0);
        }
    }

}