buttonlistener2.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;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
import java.io.*;
import java.lang.String;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.*;

/**
 *
 * @author HSM
 */
public class ButtonListener2 implements ActionListener {

    public void actionPerformed(ActionEvent e) {
            final JFrame frame1 = new JFrame("Date_Input");
            Container container = frame1.getContentPane();
            Font font1 = new Font("微软雅黑", Font.BOLD, 14);
            Font font2 = new Font("SansSerif", Font.BOLD, 30);

            JLabel jLabel1 = new JLabel("    年级：");
            jLabel1.setFont(font1);
            JLabel jLabel2 = new JLabel("       班级：");
            jLabel2.setFont(font1);
            JLabel jLabel3 = new JLabel("    专业：");
            jLabel3.setFont(font1);
            JLabel jLabel4 = new JLabel("考试时间：");
            jLabel4.setFont(font1);
            JLabel jLabel9 = new JLabel("课程：");
            jLabel9.setFont(font1);
            JLabel jLabel5 = new JLabel("成绩输入");
            JLabel jLabel7 = new JLabel("");
            JLabel jLabel8 = new JLabel("");
            JLabel jLabel = new JLabel("");
            JLabel jLabel10 = new JLabel("");
            JLabel jLabel11 = new JLabel("请检测输入数据是否正确？");
            JPanel p5 = new JPanel(new FlowLayout());
            p5.add(jLabel5);
            JPanel p4 = new JPanel(new FlowLayout());
            p4.add(jLabel7);
            JPanel p7 = new JPanel(new FlowLayout());
            JPanel p8 = new JPanel(new FlowLayout());
            p8.add(jLabel10);

             final JTextField jtf1 = new JTextField(10);
             final JTextField jtf2 = new JTextField(10);
             final JTextField jtf3 = new JTextField(10);
             final JTextField jtf4 = new JTextField(10);

            JPanel p1 = new JPanel(new FlowLayout());
            p1.add(jLabel1);
            p1.add(jtf1);
            p1.add(jLabel2);
            p1.add(jtf2);
            JPanel p2 = new JPanel(new FlowLayout());
            p2.add(jLabel3);
            p2.add(jtf3);
            p2.add(jLabel4);
            p2.add(jtf4);
            JPanel p3 = new JPanel(new FlowLayout());
            p3.add(jLabel9);
            final JComboBox jckecheng = new JComboBox();
            jckecheng.addItem("请你选择");
            jckecheng.setMaximumRowCount(15);
            p3.add(jckecheng);
            JButton jbtOk = new JButton("   确定   ");
            JButton jbtQx = new JButton("   取消   ");
            JButton jbtJc = new JButton("   检测   ");
            jbtOk.setFont(font1);
            jbtQx.setFont(font1);
            p3.add(jbtOk);
            p3.add(jbtQx);

            JPanel p9 = new JPanel(new FlowLayout());
            p9.add(jLabel11);
            p9.add(jbtJc);
            JPanel p6 = new JPanel(new GridLayout(0, 1, 5, 5));
            p6.add(p5);
            p6.add(p1);
            p6.add(p2);
            p6.add(p9);
            p6.add(p3);
            p6.add(p4);
            p6.add(p7);
            p6.add(p8);
            JLabel jLabel6 = new JLabel("              请按确定后输入每位学生的该门课程成绩！！");
            jLabel6.setFont(font1);
            container.add(jLabel8, BorderLayout.NORTH);
            container.add(p6, BorderLayout.CENTER);
            container.add(jLabel6, BorderLayout.SOUTH);
            frame1.setSize(600, 400);
            Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
            int screenHeight = screenSize.height;
            int screenWidth = screenSize.width;
            int x = (screenWidth - frame1.getWidth()) / 2;
            int y = (screenHeight - frame1.getHeight()) / 2;
            frame1.setLocation(x, y);
            frame1.setVisible(true);
            frame1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

            jbtJc.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e) {
                        String strjtf1 = jtf1.getText();
                        String strjtf2 = jtf2.getText();
                        String strjtf3 = jtf3.getText();
                        Class class1 = new Class(strjtf1,strjtf3,strjtf2);
                        String str = class1.toString();
                        File file = new File(str);
                        if(file.exists()){
                            JOptionPane.showMessageDialog(null, "输入正确！", "信息", JOptionPane.INFORMATION_MESSAGE);
                            scoreReport sRet = read(str);
                            Course[] courseList = sRet.getCourseName();
                            Student[] student = sRet.getStudentList();
                            Class class2 = sRet.getClassName();
                            String strCourse;
                            for(int i = 0; i < courseList.length; i++){
                                strCourse = courseList[i].getName();
                                jckecheng.addItem(strCourse);
                            }
                        }
                        else
                            JOptionPane.showMessageDialog(null, "输入班级不存在，请从新输入！！", "信息", JOptionPane.INFORMATION_MESSAGE);
                    }
            });
            
            jbtOk.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e) {
                    try {
                        String strjtf1 = jtf1.getText();
                        String strjtf2 = jtf2.getText();
                        String strjtf3 = jtf3.getText();
                        String strjtf4 = jtf4.getText();
                        Class class1 = new Class(strjtf1,strjtf3,strjtf2);
                        String str = class1.toString();
                        scoreReport scRet = read(str);
                        Course[] course1 = scRet.getCourseName();
                        Student[] studentList = scRet.getStudentList();
                        double[][] score1 = scRet.getScore();
                        String kc = (String) jckecheng.getSelectedItem().toString();
                        int j = 0;
                        for (int i = 0; i < course1.length; i++) {
                            if (course1[i].getName().equals(kc)) {
                                j = i;
                                break;
                            }
                        }
                        if(score1[j][0] == 0){
                        for (int i = 0; i < studentList.length; i++) {
                            String strScore = JOptionPane.showInputDialog(null, "学号" + studentList[i].getNumber(), "成绩输入", JOptionPane.QUESTION_MESSAGE);
                            double score = Integer.parseInt(strScore);
                            course1[j].setTestDate(strjtf4);
                            studentList[i].setCourseList(course1);
                            score1[j][i] = score;
                        }
                        JOptionPane.showMessageDialog(null, "信息存储成功！", "信息", JOptionPane.INFORMATION_MESSAGE);
                        scRet.setScore(score1);
                        scRet.setStudentList(studentList);
                        write(scRet,str);
                        writeKcscore(studentList,kc,score1,j);
                        frame1.dispose();
                        }
                        else
                            JOptionPane.showMessageDialog(null, "该课程分数已输入，请输入其他课程！", "信息", JOptionPane.INFORMATION_MESSAGE);
                    } catch (FileNotFoundException ex) {
                    Logger.getLogger(ButtonListener2.class.getName()).log(Level.SEVERE, null, ex);
                } catch (IOException ex) {
                        Logger.getLogger(ButtonListener2.class.getName()).log(Level.SEVERE, null, ex);
                    }
                }
            });

            jbtQx.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e) {
                    frame1.dispose();
                }
            });
        } 
    
    
     public scoreReport read(String str) {
        ObjectInputStream input = null;
        scoreReport scRet = null;
        try {
            input = new ObjectInputStream(new BufferedInputStream(new FileInputStream(str)));
            scRet = (scoreReport) (input.readObject());
            input.close();
        } catch (IOException ex) {
            Logger.getLogger(ButtonListener2.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(ButtonListener2.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                input.close();
            } catch (IOException ex) {
                Logger.getLogger(ButtonListener2.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
        return scRet;
        }
      public void write(Object object,String str) throws IOException {
        ObjectOutputStream output = null;
        try {
            output = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream(str)));
            output.writeObject(object);
        } catch (FileNotFoundException ex) {
            Logger.getLogger(ButtonListener1.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                output.close();
            } catch (IOException ex) {
                Logger.getLogger(ButtonListener1.class.getName()).log(Level.SEVERE, null, ex);
            }
        }
    }
      public void writeKcscore(Student[] studentList,String str,double[][] score,int j) throws IOException {
            DataOutputStream output = null;
            output = new  DataOutputStream(new FileOutputStream(str,true));
            Course[] course = studentList[0].getCourseList();
            for(int i = 0; i < studentList.length ; i++){
                output.writeUTF(studentList[i].getNumber());
                output.writeUTF(studentList[i].getName());
                output.writeDouble(score[j][i]);
                output.writeUTF(course[j].getTestDate());
            }
       
    }
}