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刘星宇 5 months ago
parent a6c0dbc7f2
commit 6b9d914541
1 changed files with 112 additions and 8 deletions
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120
src/MainFrame.java
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@ -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("<html><div style='text-align: center; font-size: 16px;'>" +
question.toString() + "</div></html>");
// 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<Integer> 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<Question> 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);
});
}
}
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