学之思在线考试系统，专注k12教育，支持各种题型、数学公司，扩展性强，部署方便。exam.zip

package com.alvis.exam.service.impl; import com.alvis.exam.domain.*; import com.alvis.exam.domain.enums.ExamPaperAnswerStatusEnum; import com.alvis.exam.domain.enums.QuestionTypeEnum; import com.alvis.exam.domain.exam.ExamPaperTitleItemObject; import com.alvis.exam.repository.*; import com.alvis.exam.service.ExamPaperAnswerService; import com.alvis.exam.service.ExamPaperQuestionCustomerAnswerService; import com.alvis.exam.service.TextContentService; import com.alvis.exam.utility.DateTimeUtil; import com.alvis.exam.utility.ExamUtil; import com.alvis.exam.utility.JsonUtil; import com.alvis.exam.viewmodel.student.exam.ExamPaperSubmitItemVM; import com.alvis.exam.viewmodel.student.exam.ExamPaperSubmitVM; import com.alvis.exam.viewmodel.student.exampaper.ExamPaperAnswerPageVM; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.util.Date; import java.util.List; import java.util.stream.Collectors; @Service public class ExamPaperAnswerServiceImpl extends BaseServiceImpl<ExamPaperAnswer> implements ExamPaperAnswerService { private final ExamPaperAnswerMapper examPaperAnswerMapper; private final ExamPaperMapper examPaperMapper; private final TextContentService textContentService; private final QuestionMapper questionMapper; private final ExamPaperQuestionCustomerAnswerService examPaperQuestionCustomerAnswerService; @Autowired public ExamPaperAnswerServiceImpl(ExamPaperAnswerMapper examPaperAnswerMapper, ExamPaperMapper examPaperMapper, TextContentService textContentService, QuestionMapper questionMapper, ExamPaperQuestionCustomerAnswerService examPaperQuestionCustomerAnswerService) { super(examPaperAnswerMapper); this.examPaperAnswerMapper = examPaperAnswerMapper; this.examPaperMapper = examPaperMapper; this.textContentService = textContentService; this.questionMapper = questionMapper; this.examPaperQuestionCustomerAnswerService = examPaperQuestionCustomerAnswerService; } @Override public PageInfo<ExamPaperAnswer> studentPage(ExamPaperAnswerPageVM requestVM) { return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize(), "id desc").doSelectPageInfo(() -> examPaperAnswerMapper.studentPage(requestVM)); } @Override public ExamPaperAnswerInfo calculateExamPaperAnswer(ExamPaperSubmitVM examPaperSubmitVM, User user) { ExamPaperAnswerInfo examPaperAnswerInfo = new ExamPaperAnswerInfo(); Date now = new Date(); ExamPaper examPaper = examPaperMapper.selectByPrimaryKey(examPaperSubmitVM.getId()); String frameTextContent = textContentService.selectById(examPaper.getFrameTextContentId()).getContent(); List<ExamPaperTitleItemObject> examPaperTitleItemObjects = JsonUtil.toJsonListObject(frameTextContent, ExamPaperTitleItemObject.class); List<Integer> questionIds = examPaperTitleItemObjects.stream().flatMap(t -> t.getQuestionItems().stream().map(q -> q.getId())).collect(Collectors.toList()); List<Question> questions = questionMapper.selectByIds(questionIds); List<ExamPaperQuestionCustomerAnswer> examPaperQuestionCustomerAnswers = examPaperTitleItemObjects.stream() .flatMap(t -> t.getQuestionItems().stream() .map(q -> { Question question = questions.stream().filter(tq -> tq.getId().equals(q.getId())).findFirst().get(); ExamPaperSubmitItemVM customerQuestionAnswer = examPaperSubmitVM.getAnswerItems().stream().filter(tq -> tq.getQuestionId().equals(q.getId())).findFirst().orElse(null); return ExamPaperQuestionCustomerAnswerFromVM(question, customerQuestionAnswer, examPaper, user, now); }) ).collect(Collectors.toList()); ExamPaperAnswer examPaperAnswer = ExamPaperAnswerFromVM(examPaperSubmitVM, examPaper, examPaperQuestionCustomerAnswers, user, now); examPaperAnswerInfo.setExamPaper(examPaper); examPaperAnswerInfo.setExamPaperAnswer(examPaperAnswer); examPaperAnswerInfo.setExamPaperQuestionCustomerAnswers(examPaperQuestionCustomerAnswers); return examPaperAnswerInfo; } @Override public ExamPaperSubmitVM examPaperAnswerToVM(Integer id) { ExamPaperSubmitVM examPaperSubmitVM = new ExamPaperSubmitVM(); ExamPaperAnswer examPaperAnswer = examPaperAnswerMapper.selectByPrimaryKey(id); examPaperSubmitVM.setId(examPaperAnswer.getId()); examPaperSubmitVM.setDoTime(examPaperAnswer.getDoTime()); examPaperSubmitVM.setScore(ExamUtil.scoreToVM(examPaperAnswer.getUserScore())); List<ExamPaperQuestionCustomerAnswer> examPaperQuestionCustomerAnswers = examPaperQuestionCustomerAnswerService.selectListByPaperAnswerId(examPaperAnswer.getId()); List<ExamPaperSubmitItemVM> examPaperSubmitItemVMS = examPaperQuestionCustomerAnswers.stream().map(a -> examPaperQuestionCustomerAnswerService.examPaperQuestionCustomerAnswerToVM(a)).collect(Collectors.toList()); examPaperSubmitVM.setAnswerItems(examPaperSubmitItemVMS); return examPaperSubmitVM; } @Override public Integer selectAllCount() { return examPaperAnswerMapper.selectAllCount(); } @Override public List<Integer> selectMothCount() { Date startTime = DateTimeUtil.getMonthStartDay(); Date endTime = DateTimeUtil.getMonthEndDay(); List<KeyValue> mouthCount = examPaperAnswerMapper.selectCountByDate(startTime, endTime); List<String> mothStartToNowFormat = DateTimeUtil.MothStartToNowFormat(); return mothStartToNowFormat.stream().map(md -> { KeyValue keyValue = mouthCount.stream().filter(kv -> kv.getName().equals(md)).findAny().orElse(null); return null == keyValue ? 0 : keyValue.getValue(); }).collect(Collectors.toList()); } private ExamPaperQuestionCustomerAnswer ExamPaperQuestionCustomerAnswerFromVM(Question question, ExamPaperSubmitItemVM customerQuestionAnswer, ExamPaper examPaper, User user, Date now) { ExamPaperQuestionCustomerAnswer examPaperQuestionCustomerAnswer = new ExamPaperQuestionCustomerAnswer(); examPaperQuestionCustomerAnswer.setQuestionId(question.getId()); examPaperQuestionCustomerAnswer.setExamPaperId(examPaper.getId()); examPaperQuestionCustomerAnswer.setQuestionScore(question.getScore()); examPaperQuestionCustomerAnswer.setSubjectId(examPaper.getSubjectId()); examPaperQuestionCustomerAnswer.setCreateTime(now); examPaperQuestionCustomerAnswer.setCreateUser(user.getId()); examPaperQuestionCustomerAnswer.setQuestionType(question.getQuestionType()); examPaperQuestionCustomerAnswer.setQuestionTextContentId(question.getInfoTextContentId()); if (null == customerQuestionAnswer) { examPaperQuestionCustomerAnswer.setCustomerScore(0); } else { setSpecialFromVM(examPaperQuestionCustomerAnswer, question, customerQuestionAnswer); } return examPaperQuestionCustomerAnswer; } private void setSpecialFromVM(ExamPaperQuestionCustomerAnswer examPaperQuestionCustomerAnswer, Question question, ExamPaperSubmitItemVM customerQuestionAnswer) { QuestionTypeEnum questionTypeEnum = QuestionTypeEnum.fromCode(examPaperQuestionCustomerAnswer.getQuestionType()); switch (questionTypeEnum) { case SingleChoice: case TrueFalse: examPaperQuestionCustomerAnswer.setAnswer(customerQuestionAnswer.getContent()); examPaperQuestionCustomerAnswer.setDoRight(question.getCorrect().equals(customerQuestionAnswer.getContent())); examPaperQuestionCustomerAnswer.setCustomerScore(examPaperQuestionCustomerAnswer.getDo