From 6b9d91454116f6eb990a59e08f03cf59b0ede675 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=88=98=E6=98=9F=E5=AE=87?= <974058674@qq.com> Date: Sat, 11 Oct 2025 22:52:59 +0800 Subject: [PATCH] finalcommit --- src/MainFrame.java | 120 ++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 112 insertions(+), 8 deletions(-) diff --git a/src/MainFrame.java b/src/MainFrame.java index 79b514d..2367b32 100644 --- a/src/MainFrame.java +++ b/src/MainFrame.java @@ -7,6 +7,8 @@ import Base.Question; import javax.swing.*; import java.awt.*; +import java.util.List; + public class MainFrame extends JFrame { private final User_service userService; private Exam_service examService; @@ -49,13 +51,13 @@ public class MainFrame extends JFrame { createGradeSelectionPanel(); createExamPanel(); createResultPanel(); + createWrongQuestionsPanel(); // 新增错题面板 createPasswordChangePanel(); add(mainPanel); showLoginPanel(); } - // 其他面板创建方法保持不变... private void createLoginPanel() { JPanel panel = new JPanel(new BorderLayout(10, 10)); panel.setBorder(BorderFactory.createEmptyBorder(50, 100, 50, 100)); @@ -254,19 +256,58 @@ public class MainFrame extends JFrame { JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 30, 20)); + // 新增查看错题按钮 + JButton reviewButton = createStyledButton("查看错题"); + reviewButton.addActionListener(e -> showWrongQuestions()); + buttonPanel.add(reviewButton); + JButton continueButton = createStyledButton("继续做题"); continueButton.addActionListener(e -> showGradeSelectionPanel()); + buttonPanel.add(continueButton); JButton exitButton = createStyledButton("退出程序"); exitButton.addActionListener(e -> System.exit(0)); - - buttonPanel.add(continueButton); buttonPanel.add(exitButton); + panel.add(buttonPanel, BorderLayout.SOUTH); mainPanel.add(panel, "Result"); } + private void createWrongQuestionsPanel() { + JPanel panel = new JPanel(new BorderLayout(10, 10)); + panel.setBorder(BorderFactory.createEmptyBorder(20, 40, 20, 40)); + + // 标题 + JLabel titleLabel = new JLabel("错题回顾", JLabel.CENTER); + titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 20)); + panel.add(titleLabel, BorderLayout.NORTH); + + // 错题内容区域（使用滚动面板） + JTextArea wrongQuestionsArea = new JTextArea(); + wrongQuestionsArea.setFont(new Font("微软雅黑", Font.PLAIN, 14)); + wrongQuestionsArea.setEditable(false); + wrongQuestionsArea.setLineWrap(true); + wrongQuestionsArea.setWrapStyleWord(true); + + JScrollPane scrollPane = new JScrollPane(wrongQuestionsArea); + scrollPane.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20)); + panel.add(scrollPane, BorderLayout.CENTER); + + // 存储错题文本区域引用 + panel.putClientProperty("wrongQuestionsArea", wrongQuestionsArea); + + // 返回按钮 + JPanel bottomPanel = new JPanel(new FlowLayout(FlowLayout.CENTER)); + JButton backButton = createStyledButton("返回成绩"); + backButton.addActionListener(e -> showResultPanel()); + bottomPanel.add(backButton); + + panel.add(bottomPanel, BorderLayout.SOUTH); + + mainPanel.add(panel, "WrongQuestions"); + } + private void createPasswordChangePanel() { JPanel panel = new JPanel(new BorderLayout(10, 10)); panel.setBorder(BorderFactory.createEmptyBorder(50, 100, 50, 100)); @@ -365,6 +406,10 @@ public class MainFrame extends JFrame { cardLayout.show(mainPanel, "Result"); } + private void showWrongQuestionsPanel() { + cardLayout.show(mainPanel, "WrongQuestions"); + } + // 业务逻辑方法 private void login() { String id = loginIdField.getText().trim(); @@ -442,7 +487,6 @@ public class MainFrame extends JFrame { } } - // 关键修改：使用Question类的实际方法 private void showCurrentQuestion() { Question question = examService.get_now_question(); if (question != null) { @@ -452,17 +496,14 @@ public class MainFrame extends JFrame { questionNumberLabel.setText(String.format("第 %d 题 / 共 %d 题", currentIndex + 1, totalQuestions)); - // 使用Question类的toString()方法显示题目 questionLabel.setText("
" + question.toString() + "
"); - // 使用Question类的getOptions方法显示选项 for (int i = 0; i < 4; i++) { String optionText = question.getOptions(i); optionButtons[i].setText("选项 " + (char)('A' + i) + ": " + optionText); } - // 恢复用户已选择的答案 Integer userAnswer = examService.get_user_answer(currentIndex); optionGroup.clearSelection(); if (userAnswer != null && userAnswer >= 0 && userAnswer < 4) { @@ -523,7 +564,6 @@ public class MainFrame extends JFrame { return -1; } - // 关键修改：使用Exam_result类的实际方法显示详细结果 private void showExamResult() { Exam_result result = examService.calculate_result(); @@ -549,6 +589,63 @@ public class MainFrame extends JFrame { showResultPanel(); } + // 新增：查看错题功能 + // 修正：查看错题功能 - 简洁显示 + private void showWrongQuestions() { + // 获取考试结果 + Exam_result result = examService.calculate_result(); + java.util.List wrongQuestionIndices = result.getWrongQuestions(); + + if (wrongQuestionIndices.isEmpty()) { + JOptionPane.showMessageDialog(this, "恭喜！本次考试没有错题！"); + return; + } + + // 获取错题面板和文本区域 + JPanel wrongQuestionsPanel = (JPanel) mainPanel.getComponent(5); // 第6个面板是错题面板 + JTextArea wrongQuestionsArea = (JTextArea) ((JScrollPane) wrongQuestionsPanel.getComponent(1)).getViewport().getView(); + + // 构建错题显示内容 + StringBuilder sb = new StringBuilder(); + sb.append("本次考试共有 ").append(wrongQuestionIndices.size()).append(" 道错题：\n\n"); + + java.util.ArrayList paper = examService.get_paper(); + + for (int i = 0; i < wrongQuestionIndices.size(); i++) { + int questionIndex = wrongQuestionIndices.get(i); + Question question = paper.get(questionIndex); + + // 只显示一个题号 + sb.append("第 ").append(questionIndex + 1).append(" 题："); + sb.append(question.toString()).append("\n"); + + // 显示所有选项，在正确答案后打勾 + sb.append("选项：\n"); + for (int j = 0; j < 4; j++) { + char optionChar = (char) ('A' + j); + sb.append(" ").append(optionChar).append(". ").append(question.getOptions(j)); + + // 标记正确答案 + if (question.getOptions(j).equals(question.getAnswer())) { + sb.append(" √"); + } + + // 标记用户选择的错误答案 + Integer userAnswer = examService.get_user_answer(questionIndex); + if (userAnswer != null && userAnswer == j && !question.getOptions(j).equals(question.getAnswer())) { + sb.append(" X"); + } + + sb.append("\n"); + } + + sb.append("\n"); + sb.append("-".repeat(50)).append("\n\n"); + } + + wrongQuestionsArea.setText(sb.toString()); + showWrongQuestionsPanel(); + } private void changePassword(String email, String oldPassword, String newPassword, String confirmPassword) { if (email.isEmpty() || oldPassword.isEmpty() || newPassword.isEmpty()) { JOptionPane.showMessageDialog(this, "请填写所有字段"); @@ -573,4 +670,11 @@ public class MainFrame extends JFrame { examService = null; showLoginPanel(); } + + // 主函数 + public static void main(String[] args) { + SwingUtilities.invokeLater(() -> { + new MainFrame().setVisible(true); + }); + } } \ No newline at end of file