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@ -10,8 +10,8 @@ import cn.hutool.core.util.IdUtil;
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import cn.hutool.core.util.StrUtil;
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import lsgwr.exam.entity.*;
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import lsgwr.exam.enums.QuestionEnum;
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import lsgwr.exam.service.ExamService;
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import lsgwr.exam.repository.*;
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import lsgwr.exam.service.ExamService;
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import lsgwr.exam.vo.*;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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@ -23,33 +23,42 @@ import java.util.*;
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@Transactional
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public class ExamServiceImpl implements ExamService {
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// 试卷仓库
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private final ExamRepository examRepository;
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// 考试记录仓库
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private final ExamRecordRepository examRecordRepository;
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// 问题仓库
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private final QuestionRepository questionRepository;
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// 用户仓库
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private final UserRepository userRepository;
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// 问题等级仓库
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private final QuestionLevelRepository questionLevelRepository;
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// 问题类型仓库
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private final QuestionTypeRepository questionTypeRepository;
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// 问题类别仓库
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private final QuestionCategoryRepository questionCategoryRepository;
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private final QuestionOptionRepository questionOptionRepository;
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// 问题选项仓库
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// 定义一个final类型的QuestionOptionRepository对象
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private final QuestionOptionRepository questionOptionRepository;
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// 构造函数，传入多个Repository对象
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public ExamServiceImpl(QuestionRepository questionRepository, UserRepository userRepository, QuestionLevelRepository questionLevelRepository, QuestionTypeRepository questionTypeRepository, QuestionCategoryRepository questionCategoryRepository, QuestionOptionRepository questionOptionRepository, ExamRepository examRepository, ExamRecordRepository examRecordRepository) {
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this.questionRepository = questionRepository;
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this.userRepository = userRepository;
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this.questionLevelRepository = questionLevelRepository;
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// 将传入的Repository对象赋值给对应的成员变量
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this.questionRepository = questionRepository;//
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this.userRepository = userRepository;//
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this.questionLevelRepository = questionLevelRepository;//
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this.questionTypeRepository = questionTypeRepository;
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this.questionCategoryRepository = questionCategoryRepository;
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this.questionOptionRepository = questionOptionRepository;
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this.examRepository = examRepository;
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this.examRecordRepository = examRecordRepository;
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}
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@Override
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public List<QuestionVo> getQuestionAll() {
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List<Question> questionList = questionRepository.findAll();
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@ -57,9 +66,9 @@ public class ExamServiceImpl implements ExamService {
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}
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private List<QuestionVo> getQuestionVos(List<Question> questionList) {
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// 需要自定义的question列表
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// 需要自定义的question列表，
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List<QuestionVo> questionVoList = new ArrayList<>();
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// 循环完成每个属性的定制
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// 循环完成每个属性的定制，
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for (Question question : questionList) {
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QuestionVo questionVo = getQuestionVo(question);
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questionVoList.add(questionVo);
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@ -69,9 +78,9 @@ public class ExamServiceImpl implements ExamService {
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private QuestionVo getQuestionVo(Question question) {
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QuestionVo questionVo = new QuestionVo();
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// 先复制能复制的属性
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// 先复制能复制的属性，
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BeanUtils.copyProperties(question, questionVo);
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// 设置问题的创建者
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// 设置问题的创建者。
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questionVo.setQuestionCreator(
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Objects.requireNonNull(
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userRepository.findById(
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@ -79,7 +88,7 @@ public class ExamServiceImpl implements ExamService {
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).orElse(null)
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).getUserUsername());
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// 设置问题的难度
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// 设置问题的难度。
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questionVo.setQuestionLevel(
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Objects.requireNonNull(
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questionLevelRepository.findById(
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@ -87,7 +96,7 @@ public class ExamServiceImpl implements ExamService {
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).orElse(null)
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).getQuestionLevelDescription());
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// 设置题目的类别，比如单选、多选、判断等
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// 设置题目的类别，比如单选、多选、判断等。
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questionVo.setQuestionType(
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Objects.requireNonNull(
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questionTypeRepository.findById(
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@ -95,7 +104,7 @@ public class ExamServiceImpl implements ExamService {
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).orElse(null)
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).getQuestionTypeDescription());
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// 设置题目分类，比如数学、语文、英语、生活、人文等
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// 设置题目分类，比如数学、语文、英语、生活、人文等。
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questionVo.setQuestionCategory(
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Objects.requireNonNull(
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questionCategoryRepository.findById(
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@ -104,20 +113,20 @@ public class ExamServiceImpl implements ExamService {
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).getQuestionCategoryName()
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);
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// 选项的自定义Vo列表
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// 选项的自定义Vo列表。
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List<QuestionOptionVo> optionVoList = new ArrayList<>();
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// 获得所有的选项列表
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// 获得所有的选项列表。
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List<QuestionOption> optionList = questionOptionRepository.findAllById(
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Arrays.asList(question.getQuestionOptionIds().split("-"))
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);
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// 获取所有的答案列表optionList中每个option的isAnswer选项
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// 获取所有的答案列表optionList中每个option的isAnswer选项。
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List<QuestionOption> answerList = questionOptionRepository.findAllById(
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Arrays.asList(question.getQuestionAnswerOptionIds().split("-"))
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);
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// 根据选项和答案的id相同设置optionVo的isAnswer属性
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// 根据选项和答案的id相同设置optionVo的isAnswer属性。
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for (QuestionOption option : optionList) {
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QuestionOptionVo optionVo = new QuestionOptionVo();
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BeanUtils.copyProperties(option, optionVo);
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@ -129,14 +138,14 @@ public class ExamServiceImpl implements ExamService {
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optionVoList.add(optionVo);
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}
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// 设置题目的所有选项
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// 设置题目的所有选项。
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questionVo.setQuestionOptionVoList(optionVoList);
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return questionVo;
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}
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@Override
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public QuestionVo updateQuestion(QuestionVo questionVo) {
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// 1.把需要的属性都设置好
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// 1.把需要的属性都设置好。
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StringBuilder questionAnswerOptionIds = new StringBuilder();
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List<QuestionOption> questionOptionList = new ArrayList<>();
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List<QuestionOptionVo> questionOptionVoList = questionVo.getQuestionOptionVoList();
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@ -144,89 +153,104 @@ public class ExamServiceImpl implements ExamService {
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for (int i = 0; i < questionOptionVoList.size(); i++) {
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QuestionOptionVo questionOptionVo = questionOptionVoList.get(i);
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QuestionOption questionOption = new QuestionOption();
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// 2.把questionOptionVo中的属性值复制到questionOption中。
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BeanUtils.copyProperties(questionOptionVo, questionOption);
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questionOptionList.add(questionOption);
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// 3.如果questionOptionVo中的answer属性为true，则把questionOptionVo中的questionOptionId属性值添加到questionAnswerOptionIds中。
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if (questionOptionVo.getAnswer()) {
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if (i != size - 1) {
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// 把更新后的答案的id加上去,记得用-连到一起
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// 把更新后的答案的id加上去,记得用-连到一起。
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questionAnswerOptionIds.append(questionOptionVo.getQuestionOptionId()).append("-");
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} else {
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// 最后一个不需要用-连接
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// 最后一个不需要用-连接。
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questionAnswerOptionIds.append(questionOptionVo.getQuestionOptionId());
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}
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}
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}
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// 1.更新问题
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// 1.更新问题。
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// 根据问题id从数据库中查找问题
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Question question = questionRepository.findById(questionVo.getQuestionId()).orElse(null);
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// 断言问题不为空
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assert question != null;
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// 将questionVo中的属性值复制到question中
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BeanUtils.copyProperties(questionVo, question);
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// 将问题答案选项id转换为字符串并设置到question中
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question.setQuestionAnswerOptionIds(questionAnswerOptionIds.toString());
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// 保存更新后的question到数据库中
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questionRepository.save(question);
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// 2.更新所有的option
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// 2.更新所有的option。
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// 将questionOptionList中的所有option保存到数据库中
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questionOptionRepository.saveAll(questionOptionList);
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// 返回更新后的问题，方便前端局部刷新
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// 返回更新后的问题，方便前端局部刷新。
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// 将更新后的question转换为questionVo并返回
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return getQuestionVo(question);
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}
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}
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@Override
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public void questionCreate(QuestionCreateVo questionCreateVo) {
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// 问题创建
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Question question = new Question();
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// 把能复制的属性都复制过来
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// 把能复制的属性都复制过来。
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BeanUtils.copyProperties(questionCreateVo, question);
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// 设置下questionOptionIds和questionAnswerOptionIds，需要自己用Hutool生成下
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// 设置下questionOptionIds和questionAnswerOptionIds，需要自己用Hutool生成下。
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List<QuestionOption> questionOptionList = new ArrayList<>();
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List<QuestionOptionCreateVo> questionOptionCreateVoList = questionCreateVo.getQuestionOptionCreateVoList();
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for (QuestionOptionCreateVo questionOptionCreateVo : questionOptionCreateVoList) {
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QuestionOption questionOption = new QuestionOption();
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// 设置选项的的内容
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// 设置选项的的内容。
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questionOption.setQuestionOptionContent(questionOptionCreateVo.getQuestionOptionContent());
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// 设置选项的id
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// 设置选项的id。
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questionOption.setQuestionOptionId(IdUtil.simpleUUID());
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questionOptionList.add(questionOption);
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}
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// 把选项都存起来，然后才能用于下面设置Question的questionOptionIds和questionAnswerOptionIds
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// 把选项都存起来，然后才能用于下面设置Question的questionOptionIds和questionAnswerOptionIds。
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questionOptionRepository.saveAll(questionOptionList);
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String questionOptionIds = "";
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String questionAnswerOptionIds = "";
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// 经过上面的saveAll方法，所有的option的主键id都已经持久化了
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// 经过上面的saveAll方法，所有的option的主键id都已经持久化了。
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for (int i = 0; i < questionOptionCreateVoList.size(); i++) {
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// 获取指定选项
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// 获取指定选项。
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QuestionOptionCreateVo questionOptionCreateVo = questionOptionCreateVoList.get(i);
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// 获取保存后的指定对象
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// 获取保存后的指定对象。
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QuestionOption questionOption = questionOptionList.get(i);
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questionOptionIds += questionOption.getQuestionOptionId() + "-";
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if (questionOptionCreateVo.getAnswer()) {
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// 如果是答案的话
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// 如果是答案的话。
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questionAnswerOptionIds += questionOption.getQuestionOptionId() + "-";
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}
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}
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// 把字符串最后面的"-"给去掉
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// 把字符串最后面的"-"给去掉。
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questionAnswerOptionIds = replaceLastSeparator(questionAnswerOptionIds);
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questionOptionIds = replaceLastSeparator(questionOptionIds);
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// 设置选项id组成的字符串
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// 设置选项id组成的字符串。
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question.setQuestionOptionIds(questionOptionIds);
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// 设置答案选项id组成的字符串
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// 设置答案选项id组成的字符串。
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question.setQuestionAnswerOptionIds(questionAnswerOptionIds);
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// 自己生成问题的id
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// 自己生成问题的id。
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question.setQuestionId(IdUtil.simpleUUID());
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// 先把创建时间和更新时间每次都取当前时间吧
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// 先把创建时间和更新时间每次都取当前时间吧。
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question.setCreateTime(new Date());
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question.setUpdateTime(new Date());
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// 保存问题到数据库
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// 保存问题到数据库。
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questionRepository.save(question);
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}
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@Override
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// 重写父类方法，获取问题选择列表
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public QuestionSelectionVo getSelections() {
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// 创建问题选择对象
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QuestionSelectionVo questionSelectionVo = new QuestionSelectionVo();
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// 设置问题类别列表
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questionSelectionVo.setQuestionCategoryList(questionCategoryRepository.findAll());
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// 设置问题等级列表
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questionSelectionVo.setQuestionLevelList(questionLevelRepository.findAll());
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// 设置问题类型列表
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questionSelectionVo.setQuestionTypeList(questionTypeRepository.findAll());
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// 返回问题选择对象
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return questionSelectionVo;
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}
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@ -245,10 +269,15 @@ public class ExamServiceImpl implements ExamService {
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@Override
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public QuestionDetailVo getQuestionDetail(String id) {
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// 根据id查询问题
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Question question = questionRepository.findById(id).orElse(null);
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// 创建问题详情对象
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QuestionDetailVo questionDetailVo = new QuestionDetailVo();
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// 设置问题id
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questionDetailVo.setId(id);
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|
|
|
// 设置问题名称
|
|
|
|
|
questionDetailVo.setName(question.getQuestionName());
|
|
|
|
|
// 设置问题描述
|
|
|
|
|
questionDetailVo.setDescription(question.getQuestionDescription());
|
|
|
|
|
// 问题类型，单选题/多选题/判断题
|
|
|
|
|
questionDetailVo.setType(
|
|
|
|
|
@ -258,10 +287,10 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
).orElse(null)
|
|
|
|
|
).getQuestionTypeDescription()
|
|
|
|
|
);
|
|
|
|
|
// 获取当前问题的选项
|
|
|
|
|
// 获取当前问题的选项。
|
|
|
|
|
String optionIdsStr = trimMiddleLine(question.getQuestionOptionIds());
|
|
|
|
|
String[] optionIds = optionIdsStr.split("-");
|
|
|
|
|
// 获取选项列表
|
|
|
|
|
// 获取选项列表。
|
|
|
|
|
List<QuestionOption> optionList = questionOptionRepository.findAllById(Arrays.asList(optionIds));
|
|
|
|
|
questionDetailVo.setOptions(optionList);
|
|
|
|
|
return questionDetailVo;
|
|
|
|
|
@ -274,14 +303,14 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private List<ExamVo> getExamVos(List<Exam> examList) {
|
|
|
|
|
// 需要自定义的exam列表
|
|
|
|
|
// 需要自定义的exam列表。
|
|
|
|
|
List<ExamVo> examVoList = new ArrayList<>();
|
|
|
|
|
// 循环完成每个属性的定制
|
|
|
|
|
// 循环完成每个属性的定制。
|
|
|
|
|
for (Exam exam : examList) {
|
|
|
|
|
ExamVo examVo = new ExamVo();
|
|
|
|
|
// 先尽量复制能复制的所有属性
|
|
|
|
|
// 先尽量复制能复制的所有属性。
|
|
|
|
|
BeanUtils.copyProperties(exam, examVo);
|
|
|
|
|
// 设置问题的创建者
|
|
|
|
|
// 设置问题的创建者。
|
|
|
|
|
examVo.setExamCreator(
|
|
|
|
|
Objects.requireNonNull(
|
|
|
|
|
userRepository.findById(
|
|
|
|
|
@ -290,7 +319,7 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
).getUserUsername()
|
|
|
|
|
);
|
|
|
|
|
|
|
|
|
|
// 获取所有单选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoRadioList上
|
|
|
|
|
// 获取所有单选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoRadioList上。
|
|
|
|
|
List<ExamQuestionSelectVo> radioQuestionVoList = new ArrayList<>();
|
|
|
|
|
List<Question> radioQuestionList = questionRepository.findAllById(
|
|
|
|
|
Arrays.asList(exam.getExamQuestionIdsRadio().split("-"))
|
|
|
|
|
@ -298,12 +327,12 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
for (Question question : radioQuestionList) {
|
|
|
|
|
ExamQuestionSelectVo radioQuestionVo = new ExamQuestionSelectVo();
|
|
|
|
|
BeanUtils.copyProperties(question, radioQuestionVo);
|
|
|
|
|
radioQuestionVo.setChecked(true); // 考试中的问题肯定被选中的
|
|
|
|
|
radioQuestionVo.setChecked(true); // 考试中的问题肯定被选中的。
|
|
|
|
|
radioQuestionVoList.add(radioQuestionVo);
|
|
|
|
|
}
|
|
|
|
|
examVo.setExamQuestionSelectVoRadioList(radioQuestionVoList);
|
|
|
|
|
|
|
|
|
|
// 获取所有多选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoCheckList上
|
|
|
|
|
// 获取所有多选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoCheckList上。
|
|
|
|
|
List<ExamQuestionSelectVo> checkQuestionVoList = new ArrayList<>();
|
|
|
|
|
List<Question> checkQuestionList = questionRepository.findAllById(
|
|
|
|
|
Arrays.asList(exam.getExamQuestionIdsCheck().split("-"))
|
|
|
|
|
@ -311,12 +340,12 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
for (Question question : checkQuestionList) {
|
|
|
|
|
ExamQuestionSelectVo checkQuestionVo = new ExamQuestionSelectVo();
|
|
|
|
|
BeanUtils.copyProperties(question, checkQuestionVo);
|
|
|
|
|
checkQuestionVo.setChecked(true); // 考试中的问题肯定被选中的
|
|
|
|
|
checkQuestionVo.setChecked(true); // 考试中的问题肯定被选中的。
|
|
|
|
|
checkQuestionVoList.add(checkQuestionVo);
|
|
|
|
|
}
|
|
|
|
|
examVo.setExamQuestionSelectVoCheckList(checkQuestionVoList);
|
|
|
|
|
|
|
|
|
|
// 获取所有多选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoJudgeList上
|
|
|
|
|
// 获取所有多选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoJudgeList上。
|
|
|
|
|
List<ExamQuestionSelectVo> judgeQuestionVoList = new ArrayList<>();
|
|
|
|
|
List<Question> judgeQuestionList = questionRepository.findAllById(
|
|
|
|
|
Arrays.asList(exam.getExamQuestionIdsJudge().split("-"))
|
|
|
|
|
@ -324,7 +353,7 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
for (Question question : judgeQuestionList) {
|
|
|
|
|
ExamQuestionSelectVo judgeQuestionVo = new ExamQuestionSelectVo();
|
|
|
|
|
BeanUtils.copyProperties(question, judgeQuestionVo);
|
|
|
|
|
judgeQuestionVo.setChecked(true); // 考试中的问题肯定被选中的
|
|
|
|
|
judgeQuestionVo.setChecked(true); // 考试中的问题肯定被选中的。
|
|
|
|
|
judgeQuestionVoList.add(judgeQuestionVo);
|
|
|
|
|
}
|
|
|
|
|
examVo.setExamQuestionSelectVoJudgeList(judgeQuestionVoList);
|
|
|
|
|
@ -340,7 +369,7 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
@Override
|
|
|
|
|
public ExamQuestionTypeVo getExamQuestionType() {
|
|
|
|
|
ExamQuestionTypeVo examQuestionTypeVo = new ExamQuestionTypeVo();
|
|
|
|
|
// 获取所有单选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoRadioList上
|
|
|
|
|
// 获取所有单选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoRadioList上。
|
|
|
|
|
List<ExamQuestionSelectVo> radioQuestionVoList = new ArrayList<>();
|
|
|
|
|
List<Question> radioQuestionList = questionRepository.findByQuestionTypeId(QuestionEnum.RADIO.getId());
|
|
|
|
|
for (Question question : radioQuestionList) {
|
|
|
|
|
@ -350,7 +379,7 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
}
|
|
|
|
|
examQuestionTypeVo.setExamQuestionSelectVoRadioList(radioQuestionVoList);
|
|
|
|
|
|
|
|
|
|
// 获取所有多选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoCheckList上
|
|
|
|
|
// 获取所有多选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoCheckList上。
|
|
|
|
|
List<ExamQuestionSelectVo> checkQuestionVoList = new ArrayList<>();
|
|
|
|
|
List<Question> checkQuestionList = questionRepository.findByQuestionTypeId(QuestionEnum.CHECK.getId());
|
|
|
|
|
for (Question question : checkQuestionList) {
|
|
|
|
|
@ -360,7 +389,7 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
}
|
|
|
|
|
examQuestionTypeVo.setExamQuestionSelectVoCheckList(checkQuestionVoList);
|
|
|
|
|
|
|
|
|
|
// 获取所有多选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoJudgeList上
|
|
|
|
|
// 获取所有多选题列表，并赋值到ExamVo的属性ExamQuestionSelectVoJudgeList上。
|
|
|
|
|
List<ExamQuestionSelectVo> judgeQuestionVoList = new ArrayList<>();
|
|
|
|
|
List<Question> judgeQuestionList = questionRepository.findByQuestionTypeId(QuestionEnum.JUDGE.getId());
|
|
|
|
|
for (Question question : judgeQuestionList) {
|
|
|
|
|
@ -374,7 +403,7 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
public Exam create(ExamCreateVo examCreateVo, String userId) {
|
|
|
|
|
// 在线考试系统创建
|
|
|
|
|
// 在线考试系统创建。
|
|
|
|
|
Exam exam = new Exam();
|
|
|
|
|
BeanUtils.copyProperties(examCreateVo, exam);
|
|
|
|
|
exam.setExamId(IdUtil.simpleUUID());
|
|
|
|
|
@ -382,35 +411,53 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
exam.setCreateTime(new Date());
|
|
|
|
|
exam.setUpdateTime(new Date());
|
|
|
|
|
// Todo:这两个日志后面是要在前端传入的，这里暂时定为当前日期
|
|
|
|
|
exam.setExamStartDate(new Date());
|
|
|
|
|
exam.setExamEndDate(new Date());
|
|
|
|
|
String radioIdsStr = "";
|
|
|
|
|
String checkIdsStr = "";
|
|
|
|
|
String judgeIdsStr = "";
|
|
|
|
|
List<ExamQuestionSelectVo> radios = examCreateVo.getRadios();
|
|
|
|
|
List<ExamQuestionSelectVo> checks = examCreateVo.getChecks();
|
|
|
|
|
List<ExamQuestionSelectVo> judges = examCreateVo.getJudges();
|
|
|
|
|
int radioCnt = 0, checkCnt = 0, judgeCnt = 0;
|
|
|
|
|
for (ExamQuestionSelectVo radio : radios) {
|
|
|
|
|
if (radio.getChecked()) {
|
|
|
|
|
radioIdsStr += radio.getQuestionId() + "-";
|
|
|
|
|
radioCnt++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
radioIdsStr = replaceLastSeparator(radioIdsStr);
|
|
|
|
|
for (ExamQuestionSelectVo check : checks) {
|
|
|
|
|
if (check.getChecked()) {
|
|
|
|
|
checkIdsStr += check.getQuestionId() + "-";
|
|
|
|
|
checkCnt++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
checkIdsStr = replaceLastSeparator(checkIdsStr);
|
|
|
|
|
for (ExamQuestionSelectVo judge : judges) {
|
|
|
|
|
if (judge.getChecked()) {
|
|
|
|
|
judgeIdsStr += judge.getQuestionId() + "-";
|
|
|
|
|
judgeCnt++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 设置考试开始时间和结束时间
|
|
|
|
|
exam.setExamStartDate(new Date());
|
|
|
|
|
exam.setExamEndDate(new Date());
|
|
|
|
|
// 初始化选择题、判断题和单选题的id字符串
|
|
|
|
|
String radioIdsStr = "";
|
|
|
|
|
String checkIdsStr = "";
|
|
|
|
|
String judgeIdsStr = "";
|
|
|
|
|
// 获取选择题、判断题和单选题的列表
|
|
|
|
|
List<ExamQuestionSelectVo> radios = examCreateVo.getRadios();
|
|
|
|
|
List<ExamQuestionSelectVo> checks = examCreateVo.getChecks();
|
|
|
|
|
List<ExamQuestionSelectVo> judges = examCreateVo.getJudges();
|
|
|
|
|
// 初始化选择题、判断题和单选题的计数器
|
|
|
|
|
int radioCnt = 0, checkCnt = 0, judgeCnt = 0;
|
|
|
|
|
// 遍历单选题列表
|
|
|
|
|
for (ExamQuestionSelectVo radio : radios) {
|
|
|
|
|
// 如果单选题被选中
|
|
|
|
|
if (radio.getChecked()) {
|
|
|
|
|
// 将单选题的id添加到字符串中
|
|
|
|
|
radioIdsStr += radio.getQuestionId() + "-";
|
|
|
|
|
// 单选题计数器加1
|
|
|
|
|
radioCnt++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 去掉最后一个分隔符
|
|
|
|
|
radioIdsStr = replaceLastSeparator(radioIdsStr);
|
|
|
|
|
// 遍历判断题列表
|
|
|
|
|
for (ExamQuestionSelectVo check : checks) {
|
|
|
|
|
// 如果判断题被选中
|
|
|
|
|
if (check.getChecked()) {
|
|
|
|
|
// 将判断题的id添加到字符串中
|
|
|
|
|
checkIdsStr += check.getQuestionId() + "-";
|
|
|
|
|
// 判断题计数器加1
|
|
|
|
|
checkCnt++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 去掉最后一个分隔符
|
|
|
|
|
checkIdsStr = replaceLastSeparator(checkIdsStr);
|
|
|
|
|
// 遍历选择题列表
|
|
|
|
|
for (ExamQuestionSelectVo judge : judges) {
|
|
|
|
|
// 如果选择题被选中
|
|
|
|
|
if (judge.getChecked()) {
|
|
|
|
|
// 将选择题的id添加到字符串中
|
|
|
|
|
judgeIdsStr += judge.getQuestionId() + "-";
|
|
|
|
|
// 选择题计数器加1
|
|
|
|
|
judgeCnt++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
judgeIdsStr = replaceLastSeparator(judgeIdsStr);
|
|
|
|
|
exam.setExamQuestionIds(radioIdsStr + "-" + checkIdsStr + "-" + judgeIdsStr);
|
|
|
|
|
// 设置各个题目的id
|
|
|
|
|
@ -427,49 +474,64 @@ public class ExamServiceImpl implements ExamService {
|
|
|
|
|
|
|
|
|
|
@Override
|
|
|
|
|
public Exam update(ExamVo examVo, String userId) {
|
|
|
|
|
// 创建一个新的Exam对象
|
|
|
|
|
Exam exam = new Exam();
|
|
|
|
|
// 将examVo中的属性值复制到exam对象中
|
|
|
|
|
BeanUtils.copyProperties(examVo, exam);
|
|
|
|
|
exam.setExamCreatorId(userId); // 考试的更新人为最新的创建人
|
|
|
|
|
exam.setUpdateTime(new Date()); // 考试的更新日期要记录下
|
|
|
|
|
// 设置考试更新人为最新的创建人
|
|
|
|
|
exam.setExamCreatorId(userId);
|
|
|
|
|
// 记录考试更新日期
|
|
|
|
|
exam.setUpdateTime(new Date());
|
|
|
|
|
|
|
|
|
|
// 初始化选择题、判断题、单选题的id字符串
|
|
|
|
|
String radioIdsStr = "";
|
|
|
|
|
String checkIdsStr = "";
|
|
|
|
|
String judgeIdsStr = "";
|
|
|
|
|
String judgeIdsStr = "";//djfndiosbchjdshjiowceduikmn
|
|
|
|
|
// 获取选择题、判断题、单选题的列表
|
|
|
|
|
List<ExamQuestionSelectVo> radios = examVo.getExamQuestionSelectVoRadioList();
|
|
|
|
|
List<ExamQuestionSelectVo> checks = examVo.getExamQuestionSelectVoCheckList();
|
|
|
|
|
List<ExamQuestionSelectVo> judges = examVo.getExamQuestionSelectVoJudgeList();
|
|
|
|
|
// 初始化选择题、判断题、单选题的数量
|
|
|
|
|
int radioCnt = 0, checkCnt = 0, judgeCnt = 0;
|
|
|
|
|
// 遍历选择题列表，将选中的题目id添加到字符串中，并统计选择题数量
|
|
|
|
|
for (ExamQuestionSelectVo radio : radios) {
|
|
|
|
|
if (radio.getChecked()) {
|
|
|
|
|
radioIdsStr += radio.getQuestionId() + "-";
|
|
|
|
|
radioCnt++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 去除最后一个分隔符
|
|
|
|
|
radioIdsStr = replaceLastSeparator(radioIdsStr);
|
|
|
|
|
// 遍历判断题列表，将选中的题目id添加到字符串中，并统计判断题数量
|
|
|
|
|
for (ExamQuestionSelectVo check : checks) {
|
|
|
|
|
if (check.getChecked()) {
|
|
|
|
|
checkIdsStr += check.getQuestionId() + "-";
|
|
|
|
|
checkCnt++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 去除最后一个分隔符
|
|
|
|
|
checkIdsStr = replaceLastSeparator(checkIdsStr);
|
|
|
|
|
// 遍历单选题列表，将选中的题目id添加到字符串中，并统计单选题数量
|
|
|
|
|
for (ExamQuestionSelectVo judge : judges) {
|
|
|
|
|
if (judge.getChecked()) {
|
|
|
|
|
judgeIdsStr += judge.getQuestionId() + "-";
|
|
|
|
|
judgeCnt++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 去除最后一个分隔符。
|
|
|
|
|
judgeIdsStr = replaceLastSeparator(judgeIdsStr);
|
|
|
|
|
// 设置各个题目的id。
|
|
|
|
|
exam.setExamQuestionIds(radioIdsStr + "-" + checkIdsStr + "-" + judgeIdsStr);
|
|
|
|
|
// 设置各个题目的id
|
|
|
|
|
exam.setExamQuestionIdsRadio(radioIdsStr);
|
|
|
|
|
exam.setExamQuestionIdsCheck(checkIdsStr);
|
|
|
|
|
exam.setExamQuestionIdsJudge(judgeIdsStr);
|
|
|
|
|
|
|
|
|
|
// 计算总分数
|
|
|
|
|
// 计算总分数。
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int examScore = radioCnt * exam.getExamScoreRadio() + checkCnt * exam.getExamScoreCheck() + judgeCnt * exam.getExamScoreJudge();
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exam.setExamScore(examScore);
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// 保存exam对象。
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examRepository.save(exam);
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// 返回exam对象。
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return exam;
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}
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@ -499,53 +561,53 @@ public class ExamServiceImpl implements ExamService {
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@Override
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public ExamRecord judge(String userId, String examId, HashMap<String, List<String>> answersMap) {
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// 开始考试判分啦~~~
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// 1.首先获取考试对象和选项数组
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// 开始考试判分啦~~~。
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// 1.首先获取考试对象和选项数组。
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ExamDetailVo examDetailVo = getExamDetail(examId);
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Exam exam = examDetailVo.getExam();
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// 2.然后获取该考试下所有的题目信息
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// 2.然后获取该考试下所有的题目信息。
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List<String> questionIds = new ArrayList<>();
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// 2.1 题目id的数组
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// 2.1 题目id的数组。
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List<String> radioIdList = Arrays.asList(examDetailVo.getRadioIds());
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List<String> checkIdList = Arrays.asList(examDetailVo.getCheckIds());
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List<String> judgeIdList = Arrays.asList(examDetailVo.getJudgeIds());
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questionIds.addAll(radioIdList);
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questionIds.addAll(checkIdList);
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questionIds.addAll(judgeIdList);
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// 2.2 每种题目的分数
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// 2.2 每种题目的分数。
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int radioScore = exam.getExamScoreRadio();
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int checkScore = exam.getExamScoreCheck();
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int judgeScore = exam.getExamScoreJudge();
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// 2.3 根据问题id的数组拿到所有的问题对象，供下面步骤用
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// 2.3 根据问题id的数组拿到所有的问题对象，供下面步骤用。
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List<Question> questionList = questionRepository.findAllById(questionIds);
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Map<String, Question> questionMap = new HashMap<>();
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for (Question question : questionList) {
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questionMap.put(question.getQuestionId(), question);
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}
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// 3.根据正确答案和用户作答信息进行判分
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// 3.根据正确答案和用户作答信息进行判分。
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Set<String> questionIdsAnswer = answersMap.keySet();
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// 存储当前考试每个题目的得分情况
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// 存储当前考试每个题目的得分情况。
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Map<String, Integer> judgeMap = new HashMap<>();
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// 考生作答地每个题目的选项(题目和题目之间用$分隔，题目有多个选项地话用-分隔,题目和选项之间用_分隔),用于查看考试详情
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// 例子：题目1的id_作答选项1-作答选项2&题目2的id_作答选项1&题目3_作答选项1-作答选项2-作答选项3
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// 考生作答地每个题目的选项(题目和题目之间用$分隔，题目有多个选项地话用-分隔,题目和选项之间用_分隔),用于查看考试详情。
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// 例子：题目1的id_作答选项1-作答选项2&题目2的id_作答选项1&题目3_作答选项1-作答选项2-作答选项3。
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StringBuilder answerOptionIdsSb = new StringBuilder();
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// 用户此次考试的总分
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// 用户此次考试的总分。
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int totalScore = 0;
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for (String questionId : questionIdsAnswer) {
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// 获取用户作答地这个题的答案信息
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// 获取用户作答地这个题的答案信息。
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Question question = questionMap.get(questionId);
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// 获取答案选项
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// 获取答案选项。
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String questionAnswerOptionIds = replaceLastSeparator(question.getQuestionAnswerOptionIds());
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List<String> questionAnswerOptionIdList = Arrays.asList(questionAnswerOptionIds.split("-"));
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Collections.sort(questionAnswerOptionIdList);
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String answerStr = listConcat(questionAnswerOptionIdList);
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// 获取用户作答
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// 获取用户作答。
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List<String> questionUserOptionIdList = answersMap.get(questionId);
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Collections.sort(questionUserOptionIdList);
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String userStr = listConcat(questionUserOptionIdList);
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// 判断questionAnswerOptionIds和answersMap里面的答案是否相等
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// 判断questionAnswerOptionIds和answersMap里面的答案是否相等。
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if (answerStr.equals(userStr)) {
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// 说明题目作答正确,下面根据题型给分
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// 说明题目作答正确,下面根据题型给分。
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int score = 0;
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if (radioIdList.contains(questionId)) {
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score = radioScore;
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@ -556,22 +618,22 @@ public class ExamServiceImpl implements ExamService {
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if (judgeIdList.contains(questionId)) {
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score = judgeScore;
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}
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// 累计本次考试得分
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// 累计本次考试得分。
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totalScore += score;
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// True代表题目答对
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// True代表题目答对。
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answerOptionIdsSb.append(questionId + "@True_" + userStr + "$");
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judgeMap.put(questionId, score);
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} else {
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// 说明题目作答错误,直接判零分,False代表题目答错
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// 说明题目作答错误,直接判零分,False代表题目答错。
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answerOptionIdsSb.append(questionId + "@False_" + userStr + "$");
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judgeMap.put(questionId, 0);
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}
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}
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// 4.计算得分，记录本次考试结果，存到ExamRecord中
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// 4.计算得分，记录本次考试结果，存到ExamRecord中。
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ExamRecord examRecord = new ExamRecord();
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examRecord.setExamRecordId(IdUtil.simpleUUID());
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examRecord.setExamId(examId);
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// 注意去掉最后可能有的&_-
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// 注意去掉最后可能有的&_-。
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examRecord.setAnswerOptionIds(replaceLastSeparator(answerOptionIdsSb.toString()));
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examRecord.setExamJoinerId(userId);
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examRecord.setExamJoinDate(new Date());
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@ -582,58 +644,60 @@ public class ExamServiceImpl implements ExamService {
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@Override
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public List<ExamRecordVo> getExamRecordList(String userId) {
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// 获取指定用户下的考试记录列表
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// 获取指定用户下的考试记录列表。
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List<ExamRecord> examRecordList = examRecordRepository.findByExamJoinerIdOrderByExamJoinDateDesc(userId);
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List<ExamRecordVo> examRecordVoList = new ArrayList<>();
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for (ExamRecord examRecord : examRecordList) {
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ExamRecordVo examRecordVo = new ExamRecordVo();
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// 根据考试记录中的考试ID获取考试信息
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Exam exam = examRepository.findById(examRecord.getExamId()).orElse(null);
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examRecordVo.setExam(exam);
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// 根据用户ID获取用户信息
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User user = userRepository.findById(userId).orElse(null);
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examRecordVo.setUser(user);
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// 设置考试记录信息
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examRecordVo.setExamRecord(examRecord);
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examRecordVoList.add(examRecordVo);
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}
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return examRecordVoList;
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}
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@Override
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public RecordDetailVo getRecordDetail(String recordId) {
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// 获取考试详情的封装对象
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// 获取考试详情的封装对象。
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ExamRecord record = examRecordRepository.findById(recordId).orElse(null);
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RecordDetailVo recordDetailVo = new RecordDetailVo();
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recordDetailVo.setExamRecord(record);
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// 用户的答案，需要解析
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// 用户的答案，需要解析。
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HashMap<String, List<String>> answersMap = new HashMap<>();
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HashMap<String, String> resultsMap = new HashMap<>();
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assert record != null;
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String answersStr = record.getAnswerOptionIds();
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// $分隔题目,因为$在正则中有特殊用途(行尾)，所以需要括起来
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// $分隔题目,因为$在正则中有特殊用途(行尾)，所以需要括起来。
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String[] questionArr = answersStr.split("[$]");
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for (String questionStr : questionArr) {
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System.out.println(questionStr);
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// 区分开题目标题和选项
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// 区分开题目标题和选项。
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String[] questionTitleResultAndOption = questionStr.split("_");
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String[] questionTitleAndResult = questionTitleResultAndOption[0].split("@");
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String[] questionOptions = questionTitleResultAndOption[1].split("-");
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// 题目：答案选项
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// 题目：答案选项。
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answersMap.put(questionTitleAndResult[0], Arrays.asList(questionOptions));
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// 题目：True / False
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// 题目：True / False。
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resultsMap.put(questionTitleAndResult[0], questionTitleAndResult[1]);
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}
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recordDetailVo.setAnswersMap(answersMap);
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recordDetailVo.setResultsMap(resultsMap);
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// 下面再计算正确答案的map
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// 下面再计算正确答案的map。
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|
ExamDetailVo examDetailVo = getExamDetail(record.getExamId());
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List<String> questionIdList = new ArrayList<>();
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questionIdList.addAll(Arrays.asList(examDetailVo.getRadioIds()));
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questionIdList.addAll(Arrays.asList(examDetailVo.getCheckIds()));
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questionIdList.addAll(Arrays.asList(examDetailVo.getJudgeIds()));
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// 获取所有的问题对象
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// 获取所有的问题对象。
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List<Question> questionList = questionRepository.findAllById(questionIdList);
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HashMap<String, List<String>> answersRightMap = new HashMap<>();
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for (Question question : questionList) {
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// 记得去掉最后可能出现的特殊字符
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// 记得去掉最后可能出现的特殊字符。
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String questionAnswerOptionIdsStr = replaceLastSeparator(question.getQuestionAnswerOptionIds());
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String[] questionAnswerOptionIds = questionAnswerOptionIdsStr.split("-");
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answersRightMap.put(question.getQuestionId(), Arrays.asList(questionAnswerOptionIds));
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@ -641,7 +705,6 @@ public class ExamServiceImpl implements ExamService {
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recordDetailVo.setAnswersRightMap(answersRightMap);
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return recordDetailVo;
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}
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/**
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* 把字符串最后一个字符-替换掉
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*
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@ -650,7 +713,7 @@ public class ExamServiceImpl implements ExamService {
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*/
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private String replaceLastSeparator(String str) {
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String lastChar = str.substring(str.length() - 1);
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// 题目和题目之间用$分隔，题目有多个选项地话用-分隔,题目和选项之间用_分隔
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// 题目和题目之间用$分隔，题目有多个选项地话用-分隔,题目和选项之间用_分隔。
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if ("-".equals(lastChar) || "_".equals(lastChar) || "$".equals(lastChar)) {
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str = StrUtil.sub(str, 0, str.length() - 1);
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}
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@ -672,3 +735,4 @@ public class ExamServiceImpl implements ExamService {
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return replaceLastSeparator(sb.toString());
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}
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}
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//注释完毕
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李炫好
hunqiu