JAVA GUI 学生信息管理系统（Swing）（详细）

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项目名称： 学生信息管理系统

样品展示：

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系统简介（思维）：

该项目用于学习巩固java知识，包含很多知识应用，（注意：本篇文章项目不含数据库内容，采取IO流代替写进文本，保存数据），与君共同成长学习，源代码加微：wxzhangguangpeng

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技术需求：

• java基础知识
• 面向对象
• IO流
• 异常处理
• Swing程序设计

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实现步骤（并不规范，个人思路）：

第一步：注册界面

1. 新建类：Register，继承JFrame类
2. 窗体基础调整
3. 新建标签
4. 将标签加入到窗体容器中
5. 如下

package StudentManagementSystem12;

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

public class Register extends JFrame{

    public Register() {
        setTitle("StudentManagementSystem");
        setBounds(600, 200, 350, 300);//窗体标题
        setDefaultCloseOperation(EXIT_ON_CLOSE);//关闭方式的设置
        Container c1 = getContentPane();//将窗体变为容器

        JPanel jPanel1 = new JPanel(new BorderLayout()); // 使用 BorderLayout布局管理器

        JLabel jLabel1 = new JLabel("Register");//用标签写出标题
        Font font = new Font("Arial", Font.PLAIN, 40);//调整字体大小和样式
        jLabel1.setFont(font);
        jLabel1.setForeground(Color.BLACK);
        jLabel1.setHorizontalAlignment(SwingConstants.CENTER);//标题位置

        jPanel1.add(jLabel1, BorderLayout.NORTH); // 将 JLabel 添加到北部

        c1.add(jPanel1);
        setVisible(true);//显示窗体

    }

    

    public static void main(String[] args) {
        new Register();

    }
}

1. 添加用户名和密码的文本框和文字标签，用SpringLayout布局管理器来规划位置
2. 添加三个按钮，也用SpringLayout布局管理器来规划位置
3. 根据事件监听器的知识进行按钮的制定
4. HomePage可以不设置监听器
5. 完整的注册注册代码文件如下（账号文件位置需要自己修改）

package StudentManagementSystem;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.util.HashMap;
import java.util.Map;

public class Register extends JFrame {

    public JTextField textField1;
    public JPasswordField textField2;
    public JPasswordField textField3;

    public Register() {
        setTitle("StudentManagementSystem");
        setBounds(600, 200, 350, 300);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        Container c1 = getContentPane();

        JPanel jPanel1 = new JPanel(new BorderLayout()); // 使用 BorderLayout

        JLabel jLabel1 = new JLabel("Register");
        Font font = new Font("Arial", Font.PLAIN, 40);
        jLabel1.setFont(font);
        jLabel1.setForeground(Color.BLACK);
        jLabel1.setHorizontalAlignment(SwingConstants.CENTER);

        jPanel1.add(jLabel1, BorderLayout.NORTH); // 将 JLabel 添加到北部

        SpringLayout layout = new SpringLayout();
        JPanel panel = new JPanel(layout);

        JLabel label1 = new JLabel("Enter name:");
        textField1 = new JTextField(20);

        JLabel label2 = new JLabel("Enter password:");
        textField2 = new JPasswordField(20);

        JLabel label3 = new JLabel("Re-entered Password:");
        textField3 = new JPasswordField(20);



        // 添加组件到 SpringLayout 面板
        panel.add(label1);
        panel.add(textField1);
        panel.add(label2);
        panel.add(textField2);
        panel.add(label3);
        panel.add(textField3);


        // 定义组件之间的约束关系
        layout.putConstraint(SpringLayout.WEST, label1, 5, SpringLayout.WEST, panel);
        layout.putConstraint(SpringLayout.NORTH, label1, 5, SpringLayout.NORTH, panel);
        layout.putConstraint(SpringLayout.WEST, textField1, 64, SpringLayout.EAST, label1);
        layout.putConstraint(SpringLayout.NORTH, textField1, 5, SpringLayout.NORTH, panel);

        layout.putConstraint(SpringLayout.WEST, label2, 5, SpringLayout.WEST, panel);
        layout.putConstraint(SpringLayout.NORTH, label2, 10, SpringLayout.SOUTH, textField1);
        layout.putConstraint(SpringLayout.WEST, textField2, 40, SpringLayout.EAST, label2);
        layout.putConstraint(SpringLayout.NORTH, textField2, 10, SpringLayout.SOUTH, textField1);

        layout.putConstraint(SpringLayout.WEST, label3, 5, SpringLayout.WEST, panel);
        layout.putConstraint(SpringLayout.NORTH, label3, 10, SpringLayout.SOUTH, textField2);
        layout.putConstraint(SpringLayout.WEST, textField3, 5, SpringLayout.EAST, label3);
        layout.putConstraint(SpringLayout.NORTH, textField3, 10, SpringLayout.SOUTH, textField2);


        SpringLayout layout1 = new SpringLayout();
        JPanel p1 = new JPanel(layout);

        JButton jb1 = new JButton("Sign up");
        jb1.addActionListener(new jb1action());
        JButton jb2 = new JButton("Clean");
        jb2.addActionListener(new jb2action());
        JButton jb3 = new JButton("HomePage");
        jb3.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new HomePage();
            }
        });

        panel.add(jb1);
        panel.add(jb2);
        panel.add(jb3);

        layout.putConstraint(SpringLayout.WEST, jb1, 30, SpringLayout.WEST, panel);
        layout.putConstraint(SpringLayout.NORTH, jb1, 10, SpringLayout.SOUTH, textField3);
        layout.putConstraint(SpringLayout.WEST, jb2, 20, SpringLayout.EAST, jb1);
        layout.putConstraint(SpringLayout.NORTH, jb2, 10, SpringLayout.SOUTH, textField3);
        layout.putConstraint(SpringLayout.WEST, jb3, 20, SpringLayout.EAST, jb2);
        layout.putConstraint(SpringLayout.NORTH, jb3, 10, SpringLayout.SOUTH, textField3);


        jPanel1.add(panel, BorderLayout.CENTER); // 将 SpringLayout 的 panel 添加到中部

        c1.add(jPanel1);
        setVisible(true);
    }

    private class jb1action implements ActionListener{

        @Override
        public void actionPerformed(ActionEvent e) {

            Map<String, String>  UInfor = new HashMap<>();

            String filePath = "D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\Register.txt";


            try {
                // 创建一个文件读取对象
                FileReader fileReader = new FileReader(filePath);
                BufferedReader bufferedReader = new BufferedReader(fileReader);

                String line;
                while ((line = bufferedReader.readLine()) != null) {
                    String[] parts = line.split(" : ");
                    if (parts.length == 2) {
                        String key = parts[0];
                        String value = parts[1];
                        UInfor.put(key, value);
                    }
                }
                bufferedReader.close();

            } catch (IOException ex) {
                System.out.println("读取文件时出现错误：" + ex.getMessage());
            }






            String getUseName = textField1.getText();

            char[] ch1 = textField2.getPassword();
            String getGetPassword1 = new String(ch1);

            char[] ch2 = textField3.getPassword();
            String getGetPassword2 = new String(ch2);


            if (getGetPassword1.equals(getGetPassword2)){
                JOptionPane.showMessageDialog(Register.this,"Register successfully!");

                UInfor.put(getUseName,getGetPassword1);
                File file = new File("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\Register.txt");

                FileWriter fileWriter = null;
                try {
                    fileWriter = new FileWriter(file);
                } catch (IOException ex) {
                    throw new RuntimeException(ex);
                }
                BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);


                for (Map.Entry<String, String> entry : UInfor.entrySet()) {
                    String line = entry.getKey() + " : " + entry.getValue();
                    try {
                        bufferedWriter.write(line);
                    } catch (IOException ex) {
                        throw new RuntimeException(ex);
                    }
                    try {
                        bufferedWriter.newLine();
                    } catch (IOException ex) {
                        throw new RuntimeException(ex);
                    }
                }

                try {
                    bufferedWriter.close();
                } catch (IOException ex) {
                    throw new RuntimeException(ex);
                }
                System.out.println("HashMap内容已写入文件：" + file);
                dispose();

            }else{
                JOptionPane.showMessageDialog(Register.this,"Password and Re-entered Password do not match!");
                textField2.setText("");
                textField3.setText("");
            }
        }
    }

    private class jb2action implements ActionListener {
        @Override
        public void actionPerformed(ActionEvent e) {
            textField1.setText("");
            textField2.setText("");
            textField3.setText("");
        }
    }
}

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第二步：登陆界面

1. 新建类：Login
2. 窗体设置，组件设置
3. 读取账号文本
4. 判断用户名和密码
5. 登陆成功，转换界面
6. 完整代码如下：

package StudentManagementSystem;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.util.HashMap;
import java.util.Map;

public class Login extends JFrame {

    public JTextField textField1;
    public JPasswordField textField2;

    public Login(){
        setTitle("StudentManagementSystem");
        setBounds(600, 200, 350, 300);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        Container c1 = getContentPane();

        JPanel jPanel1 = new JPanel(new BorderLayout()); // 使用 BorderLayout

        JLabel jLabel1 = new JLabel("Login");
        Font font = new Font("Arial", Font.PLAIN, 40);
        jLabel1.setFont(font);
        jLabel1.setForeground(Color.BLACK);
        jLabel1.setHorizontalAlignment(SwingConstants.CENTER);

        jPanel1.add(jLabel1, BorderLayout.NORTH); // 将 JLabel 添加到北部

        SpringLayout layout = new SpringLayout();
        JPanel panel = new JPanel(layout);

        JLabel label1 = new JLabel("Enter name:");
        textField1 = new JTextField(20);

        JLabel label2 = new JLabel("Enter password:");
        textField2 = new JPasswordField(20);



        // 添加组件到 SpringLayout 面板
        panel.add(label1);
        panel.add(textField1);
        panel.add(label2);
        panel.add(textField2);

        // 定义组件之间的约束关系
        layout.putConstraint(SpringLayout.WEST, label1, 5, SpringLayout.WEST, panel);
        layout.putConstraint(SpringLayout.NORTH, label1, 5, SpringLayout.NORTH, panel);
        layout.putConstraint(SpringLayout.WEST, textField1, 64, SpringLayout.EAST, label1);
        layout.putConstraint(SpringLayout.NORTH, textField1, 5, SpringLayout.NORTH, panel);

        layout.putConstraint(SpringLayout.WEST, label2, 5, SpringLayout.WEST, panel);
        layout.putConstraint(SpringLayout.NORTH, label2, 10, SpringLayout.SOUTH, textField1);
        layout.putConstraint(SpringLayout.WEST, textField2, 40, SpringLayout.EAST, label2);
        layout.putConstraint(SpringLayout.NORTH, textField2, 10, SpringLayout.SOUTH, textField1);

        SpringLayout layout1 = new SpringLayout();
        JPanel p1 = new JPanel(layout);

        JButton jb1 = new JButton("Login up");
        jb1.addActionListener(new jb1action());
        JButton jb2 = new JButton("Clean");
        jb2.addActionListener(new jb2action());
        JButton jb3 = new JButton("Sign up");
        jb3.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new Register();
            }
        });


        panel.add(jb1);
        panel.add(jb2);
        panel.add(jb3);

        layout.putConstraint(SpringLayout.WEST, jb1, 30, SpringLayout.WEST, panel);
        layout.putConstraint(SpringLayout.NORTH, jb1, 10, SpringLayout.SOUTH, textField2);
        layout.putConstraint(SpringLayout.WEST, jb2, 20, SpringLayout.EAST, jb1);
        layout.putConstraint(SpringLayout.NORTH, jb2, 10, SpringLayout.SOUTH, textField2);
        layout.putConstraint(SpringLayout.WEST, jb3, 20, SpringLayout.EAST, jb2);
        layout.putConstraint(SpringLayout.NORTH, jb3, 10, SpringLayout.SOUTH, textField2);


        jPanel1.add(panel, BorderLayout.CENTER); // 将 SpringLayout 的 panel 添加到中部

        c1.add(jPanel1);
        setVisible(true);
    }

    private class jb2action implements ActionListener {

        @Override
        public void actionPerformed(ActionEvent e) {
            textField1.setText("");
            textField2.setText("");
        }
    }

    private class jb1action implements ActionListener {


        @Override
        public void actionPerformed(ActionEvent e) {

            String filePath = "D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\Register.txt";


            Map<String, String> UInfor = new HashMap<>();

            FileReader fileReader;

            {
                try {
                    fileReader = new FileReader(filePath);
                    BufferedReader bufferedReader = new BufferedReader(fileReader);

                    String line;
                    while ((line = bufferedReader.readLine()) != null) {
                        String[] parts = line.split(" : ");
                        if (parts.length == 2) {
                            String key = parts[0];
                            String value = parts[1];
                            UInfor.put(key, value);
                        }
                    }
                    bufferedReader.close();
                } catch (IOException ex) {
                    System.out.println("读取文件时候出现错误："+ex.getMessage());
                }
            }


            String getUseName = textField1.getText();

            char[] ch1 = textField2.getPassword();
            String getGetPassword1 = new String(ch1);

            boolean flag = UInfor.containsKey(getUseName);
            if (flag && UInfor.get(getUseName).equals(getGetPassword1)){
                JOptionPane.showMessageDialog(Login.this,"Login successfully!");
                new HomePage();
                dispose();
            }else {
                JOptionPane.showMessageDialog(Login.this,"User name or password error!");
                textField1.setText("");
                textField2.setText("");
            }

        }
    }
}

第三步：学生类

package StudentManagementSystem;

import java.io.Serializable;

public class Student implements Serializable {
    private String name;
    private String age;
    private String id;
    private String grade;
    private String gender;

    public Student() {
    }

    public Student(String name, String age, String id, String grade, String gender) {
        this.name = name;
        this.age = age;
        this.id = id;
        this.grade = grade;
        this.gender = gender;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getAge() {
        return age;
    }

    public void setAge(String age) {
        this.age = age;
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getGrade() {
        return grade;
    }

    public void setGrade(String grade) {
        this.grade = grade;
    }

    public String getGender() {
        return gender;
    }

    public void setGender(String gender) {
        this.gender = gender;
    }

    @Override
    public String toString() {
        return "name='" + name + '\'' +
                ", age='" + age + '\'' +
                ", id='" + id + '\'' +
                ", grade='" + grade + '\'' +
                ", gender='" + gender + '\'';
    }
}

第四步： 添加学生界面

废话不多说，上代码（关于文件路径，请君自行修改）：

package StudentManagementSystem;

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

import java.io.*;
import java.util.ArrayList;

public class AddStudent extends JFrame {
    public AddStudent() {
        setTitle("StudentManagementSystem");
        setBounds(600, 200, 400, 400);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        Container container = getContentPane();

        SpringLayout layout = new SpringLayout();
        JPanel mainPanel = new JPanel(layout);

        JLabel titleLabel = new JLabel("Add Student");
        Font titleFont = new Font("Arial", Font.PLAIN, 30);
        titleLabel.setFont(titleFont);
        titleLabel.setForeground(Color.BLACK);

        JLabel nameLabel = new JLabel("Enter your name:");
        JTextField nameField = new JTextField(15);

        JLabel ageLabel = new JLabel("Select your age:");
        String[] ages = {"Under 18", "18-30", "30-50", "50+"};
        JComboBox<String> ageComboBox = new JComboBox<>(ages);

        JLabel idLabel = new JLabel("Enter your ID:");
        JTextField idField = new JTextField(15);

        JLabel gradeLabel = new JLabel("Select your grade:");
        String[] grades = {"Freshman", "Sophomore", "Junior", "Senior"};
        JComboBox<String> gradeComboBox = new JComboBox<>(grades);

        JLabel genderLabel = new JLabel("Select your gender:");
        JRadioButton maleRadioButton = new JRadioButton("Male");
        JRadioButton femaleRadioButton = new JRadioButton("Female");
        ButtonGroup genderGroup = new ButtonGroup();
        genderGroup.add(maleRadioButton);
        genderGroup.add(femaleRadioButton);
        JPanel genderPanel = new JPanel();
        genderPanel.add(maleRadioButton);
        genderPanel.add(femaleRadioButton);

        JButton addButton = new JButton("Add Student");
        addButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                if (nameField.getText().isEmpty()){
                    JOptionPane.showMessageDialog(AddStudent.this,"Name must be filled in!");
                }else {
                    String gender = "";
                    if (maleRadioButton.isSelected()) {
                        gender = "Male";
                    } else if (femaleRadioButton.isSelected()) {
                        gender = "Female";
                    }

                    Student student = new Student(nameField.getText(), ageComboBox.getSelectedItem().toString(),idField.getText(),gradeComboBox.getSelectedItem().toString(),gender);
                    System.out.println(student);

                    // 从文件中读取 studentList
                    //读取
                    ArrayList<Student> list;
                    try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                        list = (ArrayList<Student>) ois.readObject();
                        System.out.println("Student list has been read from the file.");
                    } catch (IOException | ClassNotFoundException xe) {
                        xe.printStackTrace();
                        list = new ArrayList<>(); // 如果读取失败，则初始化一个新的列表
                    }
                    //写入
                    list.add(student);
                    System.out.println(list.toString());

                    try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                        oos.writeObject(list);
                        System.out.println("Student list has been written to the file.");
                    } catch (IOException ex) {
                        ex.printStackTrace();
                    }
                    JOptionPane.showMessageDialog(AddStudent.this,"Student added successfully!");
                }

            }
        });

        JButton HomePage = new JButton("HomePage");
        HomePage.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new HomePage();
                dispose();
            }
        });

        mainPanel.add(titleLabel);
        mainPanel.add(nameLabel);
        mainPanel.add(nameField);
        mainPanel.add(ageLabel);
        mainPanel.add(ageComboBox);
        mainPanel.add(idLabel);
        mainPanel.add(idField);
        mainPanel.add(gradeLabel);
        mainPanel.add(gradeComboBox);
        mainPanel.add(genderLabel);
        mainPanel.add(genderPanel);
        mainPanel.add(addButton);
        mainPanel.add(HomePage);

        layout.putConstraint(SpringLayout.HORIZONTAL_CENTER, titleLabel, 0, SpringLayout.HORIZONTAL_CENTER, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, titleLabel, 10, SpringLayout.NORTH, mainPanel);

        layout.putConstraint(SpringLayout.WEST, nameLabel, 10, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, nameLabel, 50, SpringLayout.NORTH, titleLabel);
        layout.putConstraint(SpringLayout.WEST, nameField, 10, SpringLayout.EAST, nameLabel);
        layout.putConstraint(SpringLayout.NORTH, nameField, 46, SpringLayout.NORTH, titleLabel);

        layout.putConstraint(SpringLayout.WEST, ageLabel, 10, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, ageLabel, 30, SpringLayout.SOUTH, nameLabel);
        layout.putConstraint(SpringLayout.WEST, ageComboBox, 10, SpringLayout.EAST, ageLabel);
        layout.putConstraint(SpringLayout.NORTH, ageComboBox, 26, SpringLayout.SOUTH, nameLabel);

        layout.putConstraint(SpringLayout.WEST, idLabel, 10, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, idLabel, 30, SpringLayout.SOUTH, ageLabel);
        layout.putConstraint(SpringLayout.WEST, idField, 10, SpringLayout.EAST, idLabel);
        layout.putConstraint(SpringLayout.NORTH, idField, 26, SpringLayout.SOUTH, ageLabel);

        layout.putConstraint(SpringLayout.WEST, gradeLabel, 10, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, gradeLabel, 30, SpringLayout.SOUTH, idLabel);
        layout.putConstraint(SpringLayout.WEST, gradeComboBox, 10, SpringLayout.EAST, gradeLabel);
        layout.putConstraint(SpringLayout.NORTH, gradeComboBox, 26, SpringLayout.SOUTH, idLabel);

        layout.putConstraint(SpringLayout.WEST, genderLabel, 10, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, genderLabel, 30, SpringLayout.SOUTH, gradeLabel);
        layout.putConstraint(SpringLayout.WEST, genderPanel, 10, SpringLayout.EAST, genderLabel);
        layout.putConstraint(SpringLayout.NORTH, genderPanel, 26, SpringLayout.SOUTH, gradeLabel);

        layout.putConstraint(SpringLayout.WEST, addButton, 70, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, addButton, 30, SpringLayout.SOUTH, genderPanel);
        layout.putConstraint(SpringLayout.WEST, HomePage, 130, SpringLayout.WEST, addButton);
        layout.putConstraint(SpringLayout.NORTH, HomePage, 30, SpringLayout.SOUTH, genderPanel);

        container.add(mainPanel);
        setVisible(true);
    }

}

第五步： 展现学生信息界面

废话不多说，上代码（关于文件路径，请君自行修改）：

package StudentManagementSystem;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.ArrayList;

public class CheckStudent extends JFrame {
    private String text = "Show : \n";
    private JTextArea textArea;
    private JTextField nameField;
    public CheckStudent(){
        setTitle("StudentManagementSystem");
        setBounds(600, 200, 500, 400);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        Container c1 = getContentPane();

        SpringLayout layout = new SpringLayout();
        JPanel mainPanel = new JPanel(layout);

        JLabel titleLabel = new JLabel("Check Student");
        Font font = new Font("Arial", Font.PLAIN, 40);
        titleLabel.setFont(font);
        titleLabel.setForeground(Color.BLACK);
        titleLabel.setHorizontalAlignment(SwingConstants.CENTER);

        JLabel nameLabel = new JLabel("Enter the query name:");
        nameField = new JTextField(7);

        JButton jb1 = new JButton(" Query");
        jb1.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                text = "Show : \n";
                ArrayList<Student> list;
                try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                    list = (ArrayList<Student>) ois.readObject();
                    System.out.println("Student list has been read from the file.");
                } catch (IOException | ClassNotFoundException xe) {
                    xe.printStackTrace();
                    list = new ArrayList<>(); // 如果读取失败，则初始化一个新的列表
                }

                String namecheck = nameField.getText();

                for (Student student : list) {
                    if (student.getName().equals(namecheck)){
                        text += student.toString() + "\n";
                    }
                }
                if (text.equals("Show : \n")){
                    JOptionPane.showMessageDialog(CheckStudent.this,"Students with this name can't be found!");
                }
                textArea.setText(text);
            }
        });

        JButton jb2 = new JButton("Show all");
        jb2.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                ArrayList<Student> list;
                try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                    list = (ArrayList<Student>) ois.readObject();
                    System.out.println("Student list has been read from the file.");
                } catch (IOException | ClassNotFoundException xe) {
                    xe.printStackTrace();
                    list = new ArrayList<>(); // 如果读取失败，则初始化一个新的列表
                }

                text = "Show : \n";
                for (Student student : list) {
                    text += student.toString() + "\n";
                }
                System.out.println(text);
                textArea.setText(text);
            }
        });


        JButton jb3 = new JButton("Clean");
        jb3.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                nameField.setText("");
            }
        });

        textArea = new JTextArea(12,51);
        textArea.setText(text);
        JScrollPane scrollPane = new JScrollPane(textArea);

        JButton jb4 = new JButton("HomePage");
        jb4.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new HomePage();
                dispose();
            }
        });

        mainPanel.add(titleLabel);
        mainPanel.add(nameLabel);
        mainPanel.add(nameField);
        mainPanel.add(jb1);
        mainPanel.add(jb2);
        mainPanel.add(jb3);
        mainPanel.add(scrollPane);
        mainPanel.add(jb4);

        layout.putConstraint(SpringLayout.HORIZONTAL_CENTER, titleLabel, 0, SpringLayout.HORIZONTAL_CENTER, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, titleLabel, 10, SpringLayout.NORTH, mainPanel);

        layout.putConstraint(SpringLayout.WEST, nameLabel, 10, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, nameLabel, 70, SpringLayout.NORTH, titleLabel);
        layout.putConstraint(SpringLayout.WEST, nameField, 10, SpringLayout.EAST, nameLabel);
        layout.putConstraint(SpringLayout.NORTH, nameField, 70, SpringLayout.NORTH, titleLabel);
        layout.putConstraint(SpringLayout.WEST, jb1, 230, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, jb1, 65, SpringLayout.NORTH, titleLabel);
        layout.putConstraint(SpringLayout.WEST, jb2, 10, SpringLayout.EAST, jb1);
        layout.putConstraint(SpringLayout.NORTH, jb2, 65, SpringLayout.NORTH, titleLabel);
        layout.putConstraint(SpringLayout.WEST, jb3, 10, SpringLayout.EAST, jb2);
        layout.putConstraint(SpringLayout.NORTH, jb3, 65, SpringLayout.NORTH, titleLabel);

        layout.putConstraint(SpringLayout.WEST, scrollPane, 10, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, scrollPane, 30, SpringLayout.NORTH, nameLabel);

        layout.putConstraint(SpringLayout.HORIZONTAL_CENTER, jb4, 0, SpringLayout.HORIZONTAL_CENTER, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, jb4, 200, SpringLayout.NORTH, scrollPane);

        c1.add(mainPanel);
        setVisible(true);
    }

}

第六步： 删除学生信息界面

废话不多说，上代码（关于文件路径，请君自行修改）：

package StudentManagementSystem;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.util.ArrayList;
import java.util.Iterator;

public class DeleteStudentInfo extends JFrame {

    private JTextField nameField;
    public DeleteStudentInfo(){
        setTitle("StudentManagementSystem");
        setBounds(600, 200, 500, 300);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        Container c1 = getContentPane();

        SpringLayout layout = new SpringLayout();
        JPanel mainPanel = new JPanel(layout);

        JLabel titleLabel = new JLabel("Delete Student Info");
        Font font = new Font("Arial", Font.PLAIN, 40);
        titleLabel.setFont(font);
        titleLabel.setForeground(Color.BLACK);
        titleLabel.setHorizontalAlignment(SwingConstants.CENTER);

        JLabel nameLabel = new JLabel("Enter the delete name:");
        nameField = new JTextField(17);

        JButton jb1 = new JButton("Delete");
        jb1.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                ArrayList<Student> list;
                try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                    list = (ArrayList<Student>) ois.readObject();
                    System.out.println("Student list has been read from the file.");
                } catch (IOException | ClassNotFoundException xe) {
                    xe.printStackTrace();
                    list = new ArrayList<>(); // 如果读取失败，则初始化一个新的列表
                }

                String namedelete = nameField.getText();

                Iterator it = list.iterator();
                boolean flag = true;
                while (it.hasNext()){
                    Student stu = (Student) it.next();
                    if (namedelete.equals(stu.getName())){
                        it.remove();

                        flag = false;

                        try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                            oos.writeObject(list);
                            System.out.println("Student list has been written to the file.");
                        } catch (IOException ex) {
                            ex.printStackTrace();
                        }
                        JOptionPane.showMessageDialog(DeleteStudentInfo.this,"Delete succeeded!");
                    }
                }
                if (flag){
                    JOptionPane.showMessageDialog(DeleteStudentInfo.this,"Delete failed, this person cannot be found!");
                }
            }
        });

        JButton jb2 = new JButton("HomePage");
        jb2.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new HomePage();
                dispose();
            }
        });

        mainPanel.add(titleLabel);
        mainPanel.add(nameLabel);
        mainPanel.add(nameField);
        mainPanel.add(jb1);
        mainPanel.add(jb2);

        layout.putConstraint(SpringLayout.HORIZONTAL_CENTER, titleLabel, 0, SpringLayout.HORIZONTAL_CENTER, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, titleLabel, 10, SpringLayout.NORTH, mainPanel);

        layout.putConstraint(SpringLayout.WEST, nameLabel, 90, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, nameLabel, 70, SpringLayout.NORTH, titleLabel);
        layout.putConstraint(SpringLayout.WEST, nameField, 10, SpringLayout.EAST, nameLabel);
        layout.putConstraint(SpringLayout.NORTH, nameField, 70, SpringLayout.NORTH, titleLabel);

        layout.putConstraint(SpringLayout.WEST, jb1, 140, SpringLayout.WEST, mainPanel);
        layout.putConstraint(SpringLayout.NORTH, jb1, 70, SpringLayout.NORTH, nameLabel);
        layout.putConstraint(SpringLayout.WEST, jb2, 40, SpringLayout.EAST, jb1);
        layout.putConstraint(SpringLayout.NORTH, jb2, 70, SpringLayout.NORTH, nameLabel);


        c1.add(mainPanel);
        setVisible(true);

    }

}

第七步： 主页功能界面

废话不多说，上代码（关于文件路径，请君自行修改）：

package StudentManagementSystem;

import StudentManagementSystem.Register;

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

public class HomePage extends JFrame {
    public HomePage(){
        setTitle("StudentManagementSystem");
        setBounds(600, 200, 350, 300);
        setDefaultCloseOperation(EXIT_ON_CLOSE);

        Container c1 = getContentPane();
        c1.setLayout(new GridLayout(5, 1)); // 设置为2行1列的GridLayout

        JButton jb1 = new JButton("Register");
        jb1.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new Register();
                dispose();
            }
        });

        JButton jb2 = new JButton("Login");
        jb2.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new Login();
                dispose();
            }
        });

        JButton jb3 = new JButton("Add student");
        jb3.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new AddStudent();
                dispose();
            }
        });

        JButton jb4 = new JButton("CheckStudent");
        jb4.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new CheckStudent();
                dispose();
            }
        });

        JButton jb5 = new JButton("Delete Student Info");
        jb5.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                new DeleteStudentInfo();
                dispose();
            }
        });

        c1.add(jb1);
        c1.add(jb2);
        c1.add(jb3);
        c1.add(jb4);
        c1.add(jb5);

        setVisible(true);
    }

}

第七步： 运行界面

废话不多说，上代码（关于文件路径，请君自行修改）：

package StudentManagementSystem;

public class Game {
    public static void main(String[] args) {
        new Login();
    }
}

第七步：注意事项

1. 将上述界面找一个idea逐一复制新建到一个文件夹中
2. 路径记得自己更换
3. 要原代码，需要指导弄的可以评论找我哦

文章来源:https://blog.csdn.net/weixin_71942139/article/details/134995420
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