java毕业设计SpringBoot+Vue前后端分离的在线考试系统源码+数据库+文档说明（高分项目）

package com.nenusoftware.onlineexam.service.paperdetail.impl; import com.alibaba.fastjson.JSONArray; import com.nenusoftware.onlineexam.entity.answer.Answer; import com.nenusoftware.onlineexam.entity.paper.Paper; import com.nenusoftware.onlineexam.entity.paperdetail.PaperDetail; import com.nenusoftware.onlineexam.entity.score.Score; import com.nenusoftware.onlineexam.entity.wrong.Wrong; import com.nenusoftware.onlineexam.mapper.paperdetail.PaperDetailMapper; import com.nenusoftware.onlineexam.service.paper.PaperService; import com.nenusoftware.onlineexam.service.paperdetail.PaperDetailService; import com.nenusoftware.onlineexam.service.score.ScoreService; import com.nenusoftware.onlineexam.service.wrong.WrongService; import org.apache.ibatis.annotations.Param; import org.springframework.stereotype.Service; import javax.annotation.Resource; import java.util.Collections; import java.util.List; /** * @Author:kongyy * @Description: PaperDetailService的底层实现方法 * @Date: 10:33 2020/6/16 */ @Service public class PaperDetailServiceImpl implements PaperDetailService { @Resource PaperDetailMapper paperDetailMapper; @Resource PaperService paperService; @Resource ScoreService scoreService; @Resource WrongService wrongService; /** * 列出所有试卷详细信息 * @return 返回List形式的试卷详细信息 * @throws Exception 抛出错误类型 */ @Override public List<PaperDetail> listAllPaperDetail() throws Exception{ List<PaperDetail> paperDetailList = Collections.emptyList(); paperDetailList = paperDetailMapper.listAllPaperDetail(); for (PaperDetail detail : paperDetailList) { PaperDetail paperDetail = new PaperDetail(); paperDetail = detail; if("简答题".equals(paperDetail.getExerciseType())){ String str, str1, str2, str3; str1 = paperDetail.getAnswer(); str2 = paperDetail.getAnswer2(); str3 = paperDetail.getAnswer3(); str = "得分点为：" + str1 + " " + str2 + " " + str3; paperDetail.setAnswer(str); } } return paperDetailList; } /** * 根据试卷编号列出试卷详细信息 * @param paperId 试卷编号 * @return 返回List形式的试卷详细信息 * @throws Exception 抛出错误类型 */ @Override public List<PaperDetail> listPaperDetailByPaperId(int paperId) throws Exception{ List<PaperDetail> paperDetailList = Collections.emptyList(); paperDetailList = paperDetailMapper.listPaperDetailByPaperId(paperId); for (PaperDetail detail : paperDetailList) { PaperDetail paperDetail = new PaperDetail(); paperDetail = detail; String str, str1, str2, str3; str1 = paperDetail.getAnswer(); str2 = paperDetail.getAnswer2(); str3 = paperDetail.getAnswer3(); str = "关键字为：" + str1 + " " + str2 + " " + str3; paperDetail.setAnswer(str); } return paperDetailList; } /** * 增加试卷详细信息 * @param paperDetail 试卷详细信息实体 * @throws Exception 抛出错误类型 */ @Override public void addPaperDetail(PaperDetail paperDetail) throws Exception { paperDetailMapper.addPaperDetail(paperDetail); } /** * 删除试卷详细信息 * @param paperDetailId 试卷详细信息编号 * @return 删除成功返回true，删除失败返回false * @throws Exception 抛出错误类型 */ @Override public boolean deletePaperDetail(int paperDetailId) throws Exception{ return paperDetailMapper.deletePaperDetail(paperDetailId); } /** * 修改试卷详细信息 * @param paperDetail 试卷详细信息实体 * @throws Exception 抛出错误类型 */ @Override public void updatePaperDetail(PaperDetail paperDetail) throws Exception{ paperDetailMapper.updatePaperDetail(paperDetail); } /** * 模糊查询（查询试卷题目的内容或类型） * @param keyWord 输入查询的关键字 * @return 返回List形式的试卷详细信息 * @throws Exception 抛出错误类型 */ @Override public List<PaperDetail> queryPaperDetail(String keyWord) throws Exception{ List<PaperDetail> paperDetaillist = Collections.emptyList(); keyWord = "%" + keyWord + "%"; paperDetaillist = paperDetailMapper.queryPaperDetail(keyWord); return paperDetaillist; } /** * 根据题目类型列出试卷详细信息 * @param exerciseType 题目类型 * @return 返回List形式的试卷详细信息 * @throws Exception 抛出错误类型 */ @Override public List<PaperDetail> queryExerciseByTypes(String exerciseType) throws Exception{ List<PaperDetail> paperDetailList = Collections.emptyList(); paperDetailList = paperDetailMapper.queryExerciseByTypes(exerciseType); for (PaperDetail detail : paperDetailList) { PaperDetail paperDetail = new PaperDetail(); paperDetail = detail; if("简答题".equals(paperDetail.getExerciseType())){ String str, str1, str2, str3; str1 = paperDetail.getAnswer(); str2 = paperDetail.getAnswer2(); str3 = paperDetail.getAnswer3(); str = "得分点为：" + str1 + " " + str2 + " " + str3; paperDetail.setAnswer(str); } } return paperDetailList; } /** * 根据试卷Id查询题目选项 * @param paperDetailId 试卷详细信息编号 * @return 返回List形式的试卷详细信息 * @throws Exception 抛出错误类型 */ @Override public List<PaperDetail> queryExerciseItemsById(int paperDetailId) throws Exception{ List<PaperDetail> paperDetailItemsList = Collections.emptyList(); paperDetailItemsList = paperDetailMapper.queryExerciseItemsById(paperDetailId); return paperDetailItemsList; } /** * 根据试题内容获取题目编号 * @param content 试题内容 * @return 题目编号 * @throws Exception 抛出错误类型 */ @Override public PaperDetail queryIdByContent(@Param("content") String content) throws Exception{ return paperDetailMapper.queryIdByContent(content); } /** * 根据题目的id来查找题目 * @param paperDetailId 题目id * @return 返回查找到的PaperDetail对象 * @throws Exception 抛出错误类型 */ @Override public PaperDetail queryQuestion(int paperDetailId) throws Exception{ List<PaperDetail> paperDetailItemsList = Collections.emptyList(); PaperDetail paperDetail = new PaperDetail(); paperDetailItemsList = paperDetailMapper.queryQuestion(paperDetailId); paperDetail = paperDetailItemsList.get(0); return paperDetail; } /** *根据学生做题信息，计算学生得了多少分 * @param jsonArray 学生做题信息，其中包含两项信息，学生答案：answer和这道题目的id：paperDetailId * @param userId 学生的id * @return 返回学生得的分数 * @throws Exception 抛出错误类型 */ @Override public int judgeQuestion(JSONArray jsonArray, int userId) throws Exception{ int result = 0; String paperIdStr = jsonArray.getJSONObject(0).getString("paperId"); int paperId = Integer.parseInt(paperIdStr); try{ for(int i=0;i<jsonArray.size();i++){ Answer answer = new Answer(); PaperDetail paperDetail = new PaperDetail(); String paperDetailIdStr = jsonArray.getJSONObject(i).getString("paperDetailId"); String solution = json