From 7a05b95c911f162481117cc7c48a533ac6411fda Mon Sep 17 00:00:00 2001 From: Arno <15528622+arno-1@user.noreply.gitee.com> Date: Thu, 9 Oct 2025 16:22:30 +0800 Subject: [PATCH] Fourth commit --- src/META-INF/MANIFEST.MF | 3 - src/Math_learning_app.java | 22 ----- src/View/Exam_frame.java | 173 ----------------------------------- src/View/Login_frame.java | 104 --------------------- src/View/Main_frame.java | 156 ------------------------------- src/View/Register_frame.java | 167 --------------------------------- src/View/Result_frame.java | 82 ----------------- src/View/Review_frame.java | 148 ------------------------------ 8 files changed, 855 deletions(-) delete mode 100644 src/META-INF/MANIFEST.MF delete mode 100644 src/Math_learning_app.java delete mode 100644 src/View/Exam_frame.java delete mode 100644 src/View/Login_frame.java delete mode 100644 src/View/Main_frame.java delete mode 100644 src/View/Register_frame.java delete mode 100644 src/View/Result_frame.java delete mode 100644 src/View/Review_frame.java diff --git a/src/META-INF/MANIFEST.MF b/src/META-INF/MANIFEST.MF deleted file mode 100644 index f319cb5..0000000 --- a/src/META-INF/MANIFEST.MF +++ /dev/null @@ -1,3 +0,0 @@ -Manifest-Version: 1.0 -Main-Class: Math_learning_app - diff --git a/src/Math_learning_app.java b/src/Math_learning_app.java deleted file mode 100644 index 3292c33..0000000 --- a/src/Math_learning_app.java +++ /dev/null @@ -1,22 +0,0 @@ -import Service.User_service; -import View.Login_frame; - -import javax.swing.*; - -public class Math_learning_app { - private static User_service userService; - - public static void main(String[] args) { - initializeServices(); - SwingUtilities.invokeLater(Math_learning_app::showLoginFrame); - } - - private static void initializeServices() { - userService = new User_service(); - } - - public static void showLoginFrame() { - Login_frame loginFrame = new Login_frame(userService); - loginFrame.setVisible(true); - } -} diff --git a/src/View/Exam_frame.java b/src/View/Exam_frame.java deleted file mode 100644 index 3225bc3..0000000 --- a/src/View/Exam_frame.java +++ /dev/null @@ -1,173 +0,0 @@ -package View; - -import Base.Exam_result; -import Base.Question; -import Service.Deal_file; -import Service.Exam_service; -import Service.User_service; - -import javax.swing.*; -import java.awt.*; -import java.awt.event.ActionEvent; -import java.awt.event.ActionListener; - -public class Exam_frame extends JFrame { - private Exam_service examService; - private User_service userService; - private String email; - private JLabel questionLabel; - private JRadioButton[] optionButtons; - private ButtonGroup buttonGroup; - private JLabel progressLabel; - private JButton previousButton; - private JButton nextButton; - - public Exam_frame(Exam_service examService, User_service userService, String email) { - this.examService = examService; - this.userService = userService; - this.email = email; - initializeUI(); - showQuestion(); - } - - private void initializeUI() { - setTitle("考试"); - setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); - setSize(600, 400); - setLocationRelativeTo(null); - setResizable(false); - - // 主面板 - JPanel mainPanel = new JPanel(new BorderLayout(10, 10)); - mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); - - // 进度标签 - progressLabel = new JLabel(); - updateProgress(); - mainPanel.add(progressLabel, BorderLayout.NORTH); - - // 题目面板 - JPanel questionPanel = new JPanel(new BorderLayout()); - questionLabel = new JLabel(); - questionLabel.setFont(new Font("微软雅黑", Font.PLAIN, 16)); - questionPanel.add(questionLabel, BorderLayout.NORTH); - - // 选项面板 - JPanel optionsPanel = new JPanel(new GridLayout(4, 1, 10, 10)); - optionButtons = new JRadioButton[4]; - buttonGroup = new ButtonGroup(); - for (int i = 0; i < 4; i++) { - optionButtons[i] = new JRadioButton(); - optionButtons[i].setFont(new Font("微软雅黑", Font.PLAIN, 14)); - buttonGroup.add(optionButtons[i]); - optionsPanel.add(optionButtons[i]); - } - - questionPanel.add(optionsPanel, BorderLayout.CENTER); - mainPanel.add(questionPanel, BorderLayout.CENTER); - - // 按钮面板 - JPanel buttonPanel = new JPanel(new FlowLayout()); - previousButton = new JButton("上一题"); - nextButton = new JButton("下一题"); - - buttonPanel.add(previousButton); - buttonPanel.add(nextButton); - - mainPanel.add(buttonPanel, BorderLayout.SOUTH); - - // 添加事件监听器 - previousButton.addActionListener(new PreviousListener()); - nextButton.addActionListener(new NextListener()); - - add(mainPanel); - } - - private void showQuestion() { - Question currentQuestion = examService.get_now_question(); - if (currentQuestion == null) { - return; - } - - questionLabel.setText(currentQuestion.getContent()); - for (int i = 0; i < 4; i++) { - String options = currentQuestion.getOptions(i); - optionButtons[i].setText(options); - } - - // 检查是否已经回答过该题 - Integer userAnswer = examService.get_user_answer(examService.get_now_index()); - if (userAnswer != null && userAnswer!=-1) { - optionButtons[userAnswer].setSelected(true); - } else { - buttonGroup.clearSelection(); - } - updateProgress(); - updateButtons(); - } - - private void updateProgress() { - int current = examService.get_now_index() + 1; - int total = examService.get_paper().size(); - progressLabel.setText("进度: " + current + "/" + total); - } - - private void updateButtons() { - int currentIndex = examService.get_now_index(); - int total = examService.get_paper().size(); - - previousButton.setEnabled(currentIndex > 0); - nextButton.setText(currentIndex < total - 1 ? "下一题" : "提交"); - } - - private class PreviousListener implements ActionListener { - @Override - public void actionPerformed(ActionEvent e) { - // 保存当前答案 - saveAnswer(); - if (examService.pre_one()) { - showQuestion(); - } - } - } - - private class NextListener implements ActionListener { - @Override - public void actionPerformed(ActionEvent e) { - boolean hasNext = examService.next_one(getSelectedOption()); - if (hasNext) { - showQuestion(); - } else { - if (!examService.check_finished()){ - JOptionPane.showMessageDialog(Exam_frame.this, - "有题目未完成", "错误", JOptionPane.ERROR_MESSAGE); - return; - } - Exam_result result = examService.calculate_result(); - openResultFrame(result); - } - } - } - - private void saveAnswer() { - int selected = getSelectedOption(); - if (selected != -1) { - examService.change_answer(examService.get_now_index(), selected); - } - } - - private int getSelectedOption() { - for (int i = 0; i < 4; i++) { - if (optionButtons[i].isSelected()) { - return i; - } - } - return -1; - } - - private void openResultFrame(Exam_result result) { - Result_frame resultFrame = new Result_frame(examService, result , userService, email); - resultFrame.setVisible(true); - this.dispose(); - } -} diff --git a/src/View/Login_frame.java b/src/View/Login_frame.java deleted file mode 100644 index 08f9e52..0000000 --- a/src/View/Login_frame.java +++ /dev/null @@ -1,104 +0,0 @@ -package View; - -import Service.User_service; - -import javax.swing.*; -import java.awt.*; -import java.awt.event.ActionEvent; -import java.awt.event.ActionListener; - -public class Login_frame extends JFrame { - private User_service userService; - private JTextField idField; - private JPasswordField passwordField; - - public Login_frame(User_service userService) { - this.userService = userService; - initializeUI(); - } - - private void initializeUI() { - setTitle("登录"); - setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); - setSize(400, 350); - setLocationRelativeTo(null); - setResizable(false); - - // 主面板 - JPanel mainPanel = new JPanel(new BorderLayout(10, 10)); - mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); - - // 标题 - JLabel titleLabel = new JLabel("数学学习软件", JLabel.CENTER); - titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 24)); - mainPanel.add(titleLabel, BorderLayout.NORTH); - - // 表单面板 - JPanel formPanel = new JPanel(new GridLayout(3, 2, 10, 10)); - - formPanel.add(new JLabel("用户名:")); - idField = new JTextField(); - formPanel.add(idField); - - formPanel.add(new JLabel("密码:")); - passwordField = new JPasswordField(); - formPanel.add(passwordField); - - // 按钮面板 - JPanel buttonPanel = new JPanel(new FlowLayout()); - JButton loginButton = new JButton("登录"); - JButton registerButton = new JButton("注册账号"); - JButton exitButton = new JButton("退出"); - - buttonPanel.add(loginButton); - buttonPanel.add(registerButton); - buttonPanel.add(exitButton); - - formPanel.add(buttonPanel); - - mainPanel.add(formPanel, BorderLayout.CENTER); - - // 添加事件监听器 - loginButton.addActionListener(new LoginListener()); - registerButton.addActionListener(e -> openRegisterFrame()); - exitButton.addActionListener(e -> System.exit(0)); - - add(mainPanel); - } - - private class LoginListener implements ActionListener { - @Override - public void actionPerformed(ActionEvent e) { - String id = idField.getText().trim(); - String password = new String(passwordField.getPassword()); - - if (id.isEmpty() || password.isEmpty()) { - JOptionPane.showMessageDialog(Login_frame.this, - "请输入用户名和密码", "错误", JOptionPane.ERROR_MESSAGE); - return; - } - - String result = userService.login(id, password); - if (result.equals("登陆成功")) { - JOptionPane.showMessageDialog(Login_frame.this, - "登录成功！", "成功", JOptionPane.INFORMATION_MESSAGE); - openMainFrame(userService.find_user_i(id).get_email()); - } else { - JOptionPane.showMessageDialog(Login_frame.this, - result, "登录失败", JOptionPane.ERROR_MESSAGE); - } - } - } - - private void openRegisterFrame() { - Register_frame registerFrame = new Register_frame(userService); - registerFrame.setVisible(true); - this.dispose(); - } - - private void openMainFrame(String email) { - Main_frame mainFrame = new Main_frame(userService, email); - mainFrame.setVisible(true); - this.dispose(); - } -} \ No newline at end of file diff --git a/src/View/Main_frame.java b/src/View/Main_frame.java deleted file mode 100644 index b2d9c3e..0000000 --- a/src/View/Main_frame.java +++ /dev/null @@ -1,156 +0,0 @@ -package View; - -import Service.Exam_service; -import Service.User_service; - -import javax.swing.*; -import java.awt.*; -import java.awt.event.ActionEvent; -import java.awt.event.ActionListener; - -public class Main_frame extends JFrame { - private User_service userService; - private String email; - private JComboBox typeComboBox; - private JTextField countField; - - public Main_frame(User_service userService, String email) { - this.userService = userService; - this.email = email; - initializeUI(); - } - - private void initializeUI() { - setTitle("主界面"); - setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); - setSize(500, 400); - setLocationRelativeTo(null); - setResizable(false); - - // 主面板 - JPanel mainPanel = new JPanel(new BorderLayout(10, 10)); - mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); - - // 标题 - JLabel titleLabel = new JLabel("数学学习软件", JLabel.CENTER); - titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 24)); - mainPanel.add(titleLabel, BorderLayout.NORTH); - - // 设置面板 - JPanel settingPanel = new JPanel(new GridLayout(2, 2, 10, 10)); - - settingPanel.add(new JLabel("选择难度:")); - typeComboBox = new JComboBox<>(new String[]{"小学", "初中", "高中"}); - settingPanel.add(typeComboBox); - - settingPanel.add(new JLabel("题目数量:")); - countField = new JTextField("10"); - settingPanel.add(countField); - - mainPanel.add(settingPanel, BorderLayout.CENTER); - - // 按钮面板 - JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 20, 10)); - buttonPanel.setBorder(BorderFactory.createEmptyBorder(10, 0, 0, 0)); - JButton startButton = new JButton("开始做题"); - JButton changePasswordButton = new JButton("修改密码"); - JButton logoutButton = new JButton("退出登录"); - JButton UnregisterButton = new JButton("删除账号"); - - buttonPanel.add(startButton); - buttonPanel.add(changePasswordButton); - buttonPanel.add(logoutButton); - buttonPanel.add(UnregisterButton); - - mainPanel.add(buttonPanel, BorderLayout.SOUTH); - - // 添加事件监听器 - startButton.addActionListener(new StartListener()); - changePasswordButton.addActionListener(e -> openChangePasswordFrame()); - logoutButton.addActionListener(e -> openLoginFrame()); - UnregisterButton.addActionListener(e-> UnregisterOperation()); - - add(mainPanel); - } - - private class StartListener implements ActionListener { - @Override - public void actionPerformed(ActionEvent e) { - String type = (String) typeComboBox.getSelectedItem(); - String countText = countField.getText().trim(); - - if (countText.isEmpty()) { - JOptionPane.showMessageDialog(Main_frame.this, - "请输入题目数量", "错误", JOptionPane.ERROR_MESSAGE); - return; - } - - int count; - try { - count = Integer.parseInt(countText); - } catch (NumberFormatException ex) { - JOptionPane.showMessageDialog(Main_frame.this, - "题目数量必须是数字", "错误", JOptionPane.ERROR_MESSAGE); - return; - } - - if (count < 10 || count > 30) { - JOptionPane.showMessageDialog(Main_frame.this, - "题目数量必须在10-30之间", "错误", JOptionPane.ERROR_MESSAGE); - return; - } - - // 创建考试服务 - Exam_service examService = new Exam_service(count, type, userService.find_user(email).get_id()); - openExamFrame(examService); - } - } - - private void openExamFrame(Exam_service examService) { - Exam_frame examFrame = new Exam_frame(examService, userService, email); - examFrame.setVisible(true); - this.dispose(); - } - - private void openChangePasswordFrame() { - JPasswordField oldPasswordField = new JPasswordField(); - JPasswordField newPasswordField = new JPasswordField(); - JPasswordField confirmPasswordField = new JPasswordField(); - - JPanel panel = new JPanel(new GridLayout(3, 2)); - panel.add(new JLabel("原密码:")); - panel.add(oldPasswordField); - panel.add(new JLabel("新密码:")); - panel.add(newPasswordField); - panel.add(new JLabel("确认新密码:")); - panel.add(confirmPasswordField); - - int result = JOptionPane.showConfirmDialog(this, panel, "修改密码", JOptionPane.OK_CANCEL_OPTION); - if (result == JOptionPane.OK_OPTION) { - String oldPassword = new String(oldPasswordField.getPassword()); - String newPassword = new String(newPasswordField.getPassword()); - String confirmPassword = new String(confirmPasswordField.getPassword()); - - if (!newPassword.equals(confirmPassword)) { - JOptionPane.showMessageDialog(this, - "两次输入的新密码不一致", "错误", JOptionPane.ERROR_MESSAGE); - return; - } - - String changeResult = userService.change_pwd(email, oldPassword, newPassword); - JOptionPane.showMessageDialog(this, changeResult, "修改密码", JOptionPane.INFORMATION_MESSAGE); - } - } - - private void openLoginFrame() { - Login_frame loginFrame = new Login_frame(userService); - loginFrame.setVisible(true); - this.dispose(); - } - - private void UnregisterOperation(){ - String result=userService.Unregister(email); - JOptionPane.showMessageDialog(this, result, "删除账号", JOptionPane.INFORMATION_MESSAGE); - openLoginFrame(); - } -} diff --git a/src/View/Register_frame.java b/src/View/Register_frame.java deleted file mode 100644 index 67efa98..0000000 --- a/src/View/Register_frame.java +++ /dev/null @@ -1,167 +0,0 @@ -package View; - -import Service.User_service; - -import javax.swing.*; -import java.awt.*; -import java.awt.event.ActionEvent; -import java.awt.event.ActionListener; - -public class Register_frame extends JFrame { - private User_service userService; - private JTextField emailField; - private JTextField codeField; - private JTextField idField; - private JPasswordField passwordField; - private JPasswordField confirmPasswordField; - private JButton sendCodeButton; - private JButton registerButton; - private JButton backButton; - - public Register_frame(User_service userService) { - this.userService = userService; - initializeUI(); - } - - private void initializeUI() { - setTitle("注册"); - setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); - setSize(500, 400); - setLocationRelativeTo(null); - setResizable(false); - - // 主面板 - JPanel mainPanel = new JPanel(new BorderLayout(10, 10)); - mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); - - // 标题 - JLabel titleLabel = new JLabel("用户注册", JLabel.CENTER); - titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 20)); - mainPanel.add(titleLabel, BorderLayout.NORTH); - - // 表单面板 - JPanel formPanel = new JPanel(new GridLayout(5, 2, 10, 10)); - - // 输入邮箱 - formPanel.add(new JLabel("邮箱地址:")); - JPanel emailPanel = new JPanel(new BorderLayout()); - emailField = new JTextField(); - sendCodeButton = new JButton("发送验证码"); - emailPanel.add(emailField, BorderLayout.CENTER); - emailPanel.add(sendCodeButton, BorderLayout.EAST); - formPanel.add(emailPanel); - - // 验证码和密码 - formPanel.add(new JLabel("验证码:")); - codeField = new JTextField(); - formPanel.add(codeField); - - formPanel.add(new JLabel("用户名:")); - idField = new JTextField(); - formPanel.add(idField); - - formPanel.add(new JLabel("密码:")); - passwordField = new JPasswordField(); - formPanel.add(passwordField); - - formPanel.add(new JLabel("确认密码:")); - confirmPasswordField = new JPasswordField(); - formPanel.add(confirmPasswordField); - - // 密码要求说明 - JLabel passwordHint = new JLabel("密码要求: 6-20位，至少包含大小写字母和数字"); - passwordHint.setFont(new Font("微软雅黑", Font.PLAIN, 12)); - passwordHint.setForeground(Color.GRAY); - - mainPanel.add(formPanel, BorderLayout.CENTER); - mainPanel.add(passwordHint, BorderLayout.SOUTH); - - JPanel buttonPanel = new JPanel(new FlowLayout()); - registerButton = new JButton("完成注册"); - backButton = new JButton("返回登录"); - - buttonPanel.add(registerButton); - buttonPanel.add(backButton); - - add(buttonPanel, BorderLayout.SOUTH); - - setStep1State(); - - sendCodeButton.addActionListener(new SendCodeListener()); - registerButton.addActionListener(new RegisterListener()); - backButton.addActionListener(e -> openLoginFrame()); - - add(mainPanel); - } - - private void setStep1State() { - codeField.setEnabled(false); - passwordField.setEnabled(false); - confirmPasswordField.setEnabled(false); - registerButton.setEnabled(false); - } - - private void setStep2State() { - codeField.setEnabled(true); - passwordField.setEnabled(true); - confirmPasswordField.setEnabled(true); - registerButton.setEnabled(true); - sendCodeButton.setEnabled(false); - } - - private class SendCodeListener implements ActionListener { - @Override - public void actionPerformed(ActionEvent e) { - String email = emailField.getText().trim(); - String result = userService.register(email); - if (result.equals("验证码已发送")) { - JOptionPane.showMessageDialog(Register_frame.this, - "验证码已发送到您的邮箱，请查收", "成功", JOptionPane.INFORMATION_MESSAGE); - setStep2State(); - } else { - JOptionPane.showMessageDialog(Register_frame.this, - result, "错误", JOptionPane.ERROR_MESSAGE); - } - } - } - - private class RegisterListener implements ActionListener { - @Override - public void actionPerformed(ActionEvent e) { - String email = emailField.getText().trim(); - String id = idField.getText().trim(); - String code = codeField.getText().trim(); - String password = new String(passwordField.getPassword()); - //确认密码（输两次） - String confirmPassword = new String(confirmPasswordField.getPassword()); - - if (code.isEmpty() || password.isEmpty() || confirmPassword.isEmpty()) { - JOptionPane.showMessageDialog(Register_frame.this, - "请填写所有字段", "错误", JOptionPane.ERROR_MESSAGE); - return; - } - - if (!password.equals(confirmPassword)) { - JOptionPane.showMessageDialog(Register_frame.this, - "两次输入的密码不一致", "错误", JOptionPane.ERROR_MESSAGE); - return; - } - - String result = userService.check_register(email, code, password,id); - if (result.equals("注册成功")) { - JOptionPane.showMessageDialog(Register_frame.this, - "注册成功！", "成功", JOptionPane.INFORMATION_MESSAGE); - openLoginFrame(); - } else { - JOptionPane.showMessageDialog(Register_frame.this, - result, "注册失败", JOptionPane.ERROR_MESSAGE); - } - } - } - - private void openLoginFrame() { - Login_frame loginFrame = new Login_frame(userService); - loginFrame.setVisible(true); - this.dispose(); - } -} \ No newline at end of file diff --git a/src/View/Result_frame.java b/src/View/Result_frame.java deleted file mode 100644 index 5a3b418..0000000 --- a/src/View/Result_frame.java +++ /dev/null @@ -1,82 +0,0 @@ -package View; - -import Base.Exam_result; -import Service.Exam_service; -import Service.User_service; - -import javax.swing.*; -import java.awt.*; - -public class Result_frame extends JFrame { - private Exam_service examService; - private Exam_result result; - private User_service userService; - private String email; - - public Result_frame(Exam_service ex,Exam_result result, User_service userService, String email) { - this.examService=ex; - this.result = result; - this.userService = userService; - this.email = email; - initializeUI(); - } - - private void initializeUI() { - setTitle("考试结果"); - setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); - setSize(500, 400); - setLocationRelativeTo(null); - setResizable(false); - - // 主面板 - JPanel mainPanel = new JPanel(new BorderLayout(10, 10)); - mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); - - // 标题 - JLabel titleLabel = new JLabel("考试结果", JLabel.CENTER); - titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 24)); - mainPanel.add(titleLabel, BorderLayout.NORTH); - - // 结果信息 - JPanel resultPanel = new JPanel(new GridLayout(5, 1, 10, 10)); - resultPanel.add(new JLabel("考试类型: " + result.getExamType())); - resultPanel.add(new JLabel("题目数量: " + result.getTotalQuestions())); - resultPanel.add(new JLabel("正确题目: " + result.getCorrectAnswers())); - resultPanel.add(new JLabel("得分: " + String.format("%.2f", result.getScore()))); - resultPanel.add(new JLabel("用时: " + result.getDuration())); - - mainPanel.add(resultPanel, BorderLayout.CENTER); - - // 按钮面板 - JPanel buttonPanel = new JPanel(new FlowLayout()); - JButton reviewButton =new JButton("查看错题"); - JButton mainMenuButton = new JButton("返回主菜单"); - JButton exitButton = new JButton("退出"); - - buttonPanel.add(reviewButton); - buttonPanel.add(mainMenuButton); - buttonPanel.add(exitButton); - - mainPanel.add(buttonPanel, BorderLayout.SOUTH); - - // 添加事件监听器 - reviewButton.addActionListener(e->openReviewFrame()); - mainMenuButton.addActionListener(e -> openMainFrame()); - exitButton.addActionListener(e -> System.exit(0)); - - add(mainPanel); - } - - private void openMainFrame() { - Main_frame mainFrame = new Main_frame(userService, email); - mainFrame.setVisible(true); - this.dispose(); - } - - private void openReviewFrame(){ - examService.set_now_index(0); - Review_frame reviewFrame= new Review_frame(examService,userService, email,result); - reviewFrame.setVisible(true); - this.dispose(); - } -} diff --git a/src/View/Review_frame.java b/src/View/Review_frame.java deleted file mode 100644 index 08a4ab2..0000000 --- a/src/View/Review_frame.java +++ /dev/null @@ -1,148 +0,0 @@ -package View; - -import Base.Exam_result; -import Base.Question; -import Service.Exam_service; -import Service.User_service; - -import javax.swing.*; -import java.awt.*; -import java.awt.event.ActionEvent; -import java.awt.event.ActionListener; - -public class Review_frame extends JFrame{ - private Exam_service examService; - private User_service userService; - private String email; - private Exam_result examResult; - private JLabel questionLabel; - private JLabel[] optionLabel; - private JLabel progressLabel; - private JButton previousButton; - private JButton nextButton; - private JButton exitButton; - - public Review_frame(Exam_service examService, User_service userService, String email,Exam_result ex) { - this.examService = examService; - this.userService = userService; - this.email = email; - this.examResult = ex; - initializeUI(); - showQuestion(); - } - - private void initializeUI() { - setTitle("查看错题"); - setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); - setSize(600, 400); - setLocationRelativeTo(null); - setResizable(false); - - // 主面板 - JPanel mainPanel = new JPanel(new BorderLayout(10, 10)); - mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); - - // 进度标签 - progressLabel = new JLabel(); - updateProgress(); - mainPanel.add(progressLabel, BorderLayout.NORTH); - - // 题目面板 - JPanel questionPanel = new JPanel(new BorderLayout()); - questionLabel = new JLabel(); - questionLabel.setFont(new Font("微软雅黑", Font.PLAIN, 16)); - questionPanel.add(questionLabel, BorderLayout.NORTH); - - // 选项面板 - JPanel optionsPanel = new JPanel(new GridLayout(4, 1, 10, 10)); - optionLabel = new JLabel[4]; - for (int i = 0; i < 4; i++) { - optionLabel[i] = new JLabel(); - optionLabel[i].setFont(new Font("微软雅黑", Font.PLAIN, 14)); - optionsPanel.add(optionLabel[i]); - } - - questionPanel.add(optionsPanel, BorderLayout.CENTER); - mainPanel.add(questionPanel, BorderLayout.CENTER); - - // 按钮面板 - JPanel buttonPanel = new JPanel(new FlowLayout()); - previousButton = new JButton("上一题"); - nextButton = new JButton("下一题"); - exitButton = new JButton("返回"); - - buttonPanel.add(previousButton); - buttonPanel.add(nextButton); - buttonPanel.add(exitButton); - - mainPanel.add(buttonPanel, BorderLayout.SOUTH); - - // 添加事件监听器 - previousButton.addActionListener(new Review_frame.PreviousListener()); - nextButton.addActionListener(new Review_frame.NextListener()); - exitButton.addActionListener(e->openResultFrame()); - - add(mainPanel); - } - - private void showQuestion() { - Question currentQuestion = examService.get_now_question(); - if (currentQuestion == null) { - return; - } - - questionLabel.setText(currentQuestion.getContent()); - if (examResult.getWrongQuestions().contains(examService.get_now_index())) { - for (int i = 0; i < 4; i++) { - String options = currentQuestion.getOptions(i); - if (options.equals(currentQuestion.getAnswer())){ - options=options+"√"; - } - else if (i==examService.get_user_answers().get(examService.get_now_index())){ - options=options+"×"; - } - optionLabel[i].setText(options); - } - } - else { - for (int i = 0; i < 4; i++) { - String options = currentQuestion.getOptions(i); - if (options.equals(currentQuestion.getAnswer())){ - options=options+"√"; - } - optionLabel[i].setText(options); - } - } - - updateProgress(); - } - - private void updateProgress() { - int current = examService.get_now_index() + 1; - int total = examService.get_paper().size(); - progressLabel.setText("进度: " + current + "/" + total); - } - - - private class PreviousListener implements ActionListener { - @Override - public void actionPerformed(ActionEvent e) { - examService.set_now_index(-1); - showQuestion(); - } - } - - private class NextListener implements ActionListener { - @Override - public void actionPerformed(ActionEvent e) { - examService.set_now_index(1); - showQuestion(); - } - } - - private void openResultFrame() { - Result_frame resultFrame = new Result_frame(examService, examResult, userService, email); - resultFrame.setVisible(true); - this.dispose(); - } -}