基于Java的实训项目训考评一体化系统后端服务设计源码

package com.example.teesystem.service.impl; import cn.hutool.core.lang.hash.Hash; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import com.example.teesystem.common.cache.KnowledgeCache; import com.example.teesystem.common.cache.UserCache; import com.example.teesystem.common.utils.DocUtil; import com.example.teesystem.common.utils.IssueUtil; import com.example.teesystem.common.utils.Response; import com.example.teesystem.common.utils.ResultCode; import com.example.teesystem.entity.Class; import com.example.teesystem.entity.*; import com.example.teesystem.entity.vo.PageRequestVo; import com.example.teesystem.entity.vo.PageResponseVo; import com.example.teesystem.entity.vo.examEvaluation.WordVo; import com.example.teesystem.entity.vo.examPaper.ExamPaperSelectVo1; import com.example.teesystem.entityDto.*; import com.example.teesystem.filter.MyHandlerInterceptor; import com.example.teesystem.mapper.*; import com.example.teesystem.service.ExamEvaluationService; import com.example.teesystem.service.ExamIssueService; import lombok.RequiredArgsConstructor; import org.apache.tomcat.util.buf.StringUtils; import org.springframework.stereotype.Service; import javax.servlet.http.HttpServletResponse; import java.math.RoundingMode; import java.text.NumberFormat; import java.util.*; import java.util.stream.Collectors; /** * @author NieYaShi * @description 针对表【t_exam_evaluation】的数据库操作Service实现 * @createDate 2022-04-19 14:44:43 */ @Service @RequiredArgsConstructor public class ExamEvaluationServiceImpl extends ServiceImpl<ExamEvaluationMapper, ExamEvaluation> implements ExamEvaluationService { private final IssueRecordMapper issueRecordMapper; private final IssueMapper issueMapper; private final ExamPaperMapper examPaperMapper; private final ExamIssueMapper examIssueMapper; private final ExamEvaluationMapper examEvaluationMapper; private final ChapterMapper chapterMapper; private final ClassStudentMapper classStudentMapper; private final CourseMapper courseMapper; private final ClassMapper classMapper; private final PaperFeedbackMapper paperFeedbackMapper; private final ExamIssueService examIssueService; @Override public Response getStudentIssueCorrect() { Map<String, Float> result = new HashMap<>(); QueryWrapper<IssueRecord> issueRecordQueryWrapper = new QueryWrapper<>(); issueRecordQueryWrapper .eq("student_id", MyHandlerInterceptor.getUid()) .orderByAsc("issue_id"); List<IssueRecord> issueRecordList = issueRecordMapper.selectList(issueRecordQueryWrapper); if (issueRecordList.size() == 0){ return Response.ok(result); } List<Integer> issueIds = new ArrayList<>(); for (IssueRecord issueRecord : issueRecordList) { issueIds.add(issueRecord.getIssueId()); } QueryWrapper<Issue> issueQueryWrapper = new QueryWrapper<>(); issueQueryWrapper .in("id", issueIds) .orderByAsc("id"); List<Issue> issueList = issueMapper.selectList(issueQueryWrapper); Map<Integer, List<IssueRecord>> recodeMap = getRecordeMap(issueRecordList, issueList); for (Integer key : recodeMap.keySet()) { float rightNum = 0; float wrongNum = 0; for (IssueRecord issueRecord : recodeMap.get(key)) { rightNum += issueRecord.getRightNum(); wrongNum += issueRecord.getWrongNum(); } float correct = rightNum / (rightNum + wrongNum); result.put(IssueUtil.getIssueTypeName(key), correct); } return Response.ok(result); } @Override public Response getStudentIssueAvgDifficulty() { Map<String, Float> result = new HashMap<>(); QueryWrapper<IssueRecord> issueRecordQueryWrapper = new QueryWrapper<>(); issueRecordQueryWrapper .eq("student_id", MyHandlerInterceptor.getUid()) .orderByAsc("issue_id"); List<IssueRecord> issueRecordList = issueRecordMapper.selectList(issueRecordQueryWrapper); if (issueRecordList.size() == 0){ return Response.ok(result); } List<Integer> issueIds = new ArrayList<>(); for (IssueRecord issueRecord : issueRecordList) { issueIds.add(issueRecord.getIssueId()); } QueryWrapper<Issue> issueQueryWrapper = new QueryWrapper<>(); issueQueryWrapper .in("id", issueIds) .orderByAsc("id"); List<Issue> issueList = issueMapper.selectList(issueQueryWrapper); Map<Integer, List<Issue>> issueMap = issueList.stream().collect(Collectors.groupingBy( Issue::getType)); for (Integer key : issueMap.keySet()) { float difficulty = 0; for (Issue issue : issueMap.get(key)) { difficulty += issue.getDifficulty(); } result.put(IssueUtil.getIssueTypeName(key), difficulty / issueMap.get(key).size()); } return Response.ok(result); } private Map<Integer, List<IssueRecord>> getRecordeMap(List<IssueRecord> issueRecordList, List<Issue> issueList) { Map<Integer, List<IssueRecord>> recordeMap = new HashMap<>(); for (int i = 0; i < issueRecordList.size(); i++) { if (issueList.get(i).getType().equals(IssueUtil.JUDGE)) { if (recordeMap.get(IssueUtil.JUDGE) == null) { List<IssueRecord> issueRecords = new ArrayList<>(); issueRecords.add(issueRecordList.get(i)); recordeMap.put(IssueUtil.JUDGE, issueRecords); } else { List<IssueRecord> issueRecords = recordeMap.get(IssueUtil.JUDGE); issueRecords.add(issueRecordList.get(i)); recordeMap.put(IssueUtil.JUDGE, issueRecords); } } else if (issueList.get(i).getType().equals(IssueUtil.FILL_IN_THE_BLANKS)) { if (recordeMap.get(IssueUtil.FILL_IN_THE_BLANKS) == null) { List<IssueRecord> issueRecords = new ArrayList<>(); issueRecords.add(issueRecordList.get(i)); recordeMap.put(IssueUtil.FILL_IN_THE_BLANKS, issueRecords); } else { List<IssueRecord> issueRecords = recordeMap.get(IssueUtil.FILL_IN_THE_BLANKS); issueRecords.add(issueRecordList.get(i)); recordeMap.put(IssueUtil.FILL_IN_THE_BLANKS, issueRecords); } } else if (issueList.get(i).getType().equals(IssueUtil.SINGLE_CHOICE)) { if (recordeMap.get(IssueUtil.SINGLE_CHOICE) == null) { List<IssueRecord> issueRecords = new ArrayList<>(); issueRecords.add(issueRecordList.get(i)); recordeMap.put(IssueUtil.SINGLE_CHOICE, issueRecords); } else { List<IssueRecord> issueRecords = recordeMap.get(IssueUtil.SINGLE_CHOICE); issueRecords.add(issueRecordList.get(i)); recordeMap.put(IssueUtil.SINGLE_CHOICE, issueRecords); } } else if (issueList.get(i).getType().equals(IssueUtil.MULTIPLE_CHOICE)) { if (recordeMap.get(IssueUtil.MULTIPLE_CHOICE) == null) { List<IssueRecord> issueRecords = new ArrayList<>(); issueRecords.add(issueRecordList.get(i)); recordeMap.put(IssueUtil.MULTIPLE_CHOICE, issueRecords); } else { List<IssueRecord> issueRecords = recordeMap.get(IssueUtil.MULTIPLE_CHOICE); issueRecords.add(issueRecordL