JAVA GUI 学生信息管理系统（Swing）（详细）

项目名称： 学生信息管理系统

样品展示：

学生管理系统

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

技术需求：

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

  ---

  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  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 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("");
          }
      }
  }
  

  ---

  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 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 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 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 list;
                      try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                          list = (ArrayList) 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 list;
                  try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                      list = (ArrayList) 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 list;
                  try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                      list = (ArrayList) 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 list;
                  try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream("D:\\jdk\\code\\GUI\\src\\StudentManagementSystem\\students.dat"))) {
                      list = (ArrayList) 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