From df2d0a4399020ebe05d99437f54ec553557d6df8 Mon Sep 17 00:00:00 2001
From: luotaiqian <1147642922@qq.com>
Date: Tue, 18 Aug 2026 18:24:55 +0800
Subject: [PATCH] bug fix

---
 .../cedu/model/entity/PaperQuestionRelDO.java |  3 ++
 .../qinan/cedu/model/entity/QuestionDO.java   |  3 --
 .../impl/PaperQuestionRelServiceImpl.java     | 41 +++++++++----------
 .../cedu/service/impl/PaperServiceImpl.java   | 27 ++++++++----
 .../impl/QuestionOptionServiceImpl.java       |  4 ++
 .../service/impl/QuestionServiceImpl.java     |  4 ++
 .../support/QuestionExcelImporter.java        | 12 +++++-
 .../main/resources/mapper/QuestionMapper.xml  |  2 +-
 safety-cedu-service/src/test/java/db.sql      |  1 -
 9 files changed, 60 insertions(+), 37 deletions(-)

diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/PaperQuestionRelDO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/PaperQuestionRelDO.java
index 9c16aaa4..9a3d5ded 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/PaperQuestionRelDO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/PaperQuestionRelDO.java
@@ -28,4 +28,7 @@ public class PaperQuestionRelDO extends BaseEntity {
 
     @ApiModelProperty("试题id")
     private Long questionId;
+
+    @ApiModelProperty("试题号")
+    private Integer questionNum;
 }
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/QuestionDO.java b/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/QuestionDO.java
index 2aa57c3e..70ed5c74 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/QuestionDO.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/model/entity/QuestionDO.java
@@ -51,9 +51,6 @@ public class QuestionDO extends BaseEntity {
     @ApiModelProperty("标签类型")
     private String tagType;
 
-    @ApiModelProperty("试题号")
-    private Integer questionNum;
-
     @ApiModelProperty("关联课件管理id")
     private Long coursewareManagementId;
 }
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/PaperQuestionRelServiceImpl.java b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/PaperQuestionRelServiceImpl.java
index a27283c4..523a72b6 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/PaperQuestionRelServiceImpl.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/PaperQuestionRelServiceImpl.java
@@ -1,21 +1,23 @@
 package org.qinan.cedu.service.impl;
 
 import cn.hutool.core.util.IdUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.baomidou.mybatisplus.extension.toolkit.Db;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.qinan.cedu.enums.DeleteEnum;
 import org.qinan.cedu.enums.QuestionTypeEnum;
+import org.qinan.cedu.mapper.PaperMapper;
+import org.qinan.cedu.mapper.PaperQuestionRelMapper;
+import org.qinan.cedu.mapper.QuestionMapper;
+import org.qinan.cedu.mapper.QuestionOptionMapper;
 import org.qinan.cedu.model.dto.PaperQuestionSaveDTO;
 import org.qinan.cedu.model.entity.PaperDO;
 import org.qinan.cedu.model.entity.PaperQuestionRelDO;
 import org.qinan.cedu.model.entity.QuestionDO;
 import org.qinan.cedu.model.entity.QuestionOptionDO;
-import org.qinan.cedu.mapper.PaperQuestionRelMapper;
 import org.qinan.cedu.service.PaperQuestionRelService;
-import org.qinan.cedu.service.PaperService;
-import org.qinan.cedu.service.QuestionOptionService;
-import org.qinan.cedu.service.QuestionService;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.StringUtils;
@@ -31,27 +33,22 @@ import java.util.stream.Collectors;
  * 试卷试题关系服务实现
  */
 @Service
+@Slf4j
+@RequiredArgsConstructor
 public class PaperQuestionRelServiceImpl extends ServiceImpl<PaperQuestionRelMapper, PaperQuestionRelDO> implements PaperQuestionRelService {
 
-    @Autowired
-    @Lazy
-    private PaperService paperService;
-
-    @Autowired
-    private QuestionService questionService;
-
-    @Autowired
-    private QuestionOptionService questionOptionService;
+    private final PaperMapper paperMapper;
+    private final QuestionMapper questionMapper;
+    private final QuestionOptionMapper questionOptionMapper;
 
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void savePaperQuestion(PaperQuestionSaveDTO dto) {
         // 校验试卷存在
-        PaperDO paper = paperService.lambdaQuery()
+        boolean exists = paperMapper.exists(new LambdaQueryWrapper<PaperDO>()
                 .eq(PaperDO::getId, dto.getPaperId())
-                .eq(PaperDO::getDeleteEnum, DeleteEnum.FALSE.getCode())
-                .one();
-        if (paper == null) {
+                .eq(PaperDO::getDeleteEnum, DeleteEnum.FALSE.getCode()));
+        if (exists) {
             throw new IllegalArgumentException("试卷不存在：id=" + dto.getPaperId());
         }
 
@@ -115,8 +112,8 @@ public class PaperQuestionRelServiceImpl extends ServiceImpl<PaperQuestionRelMap
                 .map(option -> String.valueOf(option.getId()))
                 .collect(Collectors.joining(",")));
 
-        questionService.save(question);
-        questionOptionService.saveBatch(options);
+        questionMapper.insert(question);
+        Db.saveBatch(options);
 
         // 追加绑定试卷试题（不清空已有绑定）
         PaperQuestionRelDO rel = new PaperQuestionRelDO();
@@ -140,7 +137,7 @@ public class PaperQuestionRelServiceImpl extends ServiceImpl<PaperQuestionRelMap
         }
 
         // 逻辑删除试题及其选项
-        boolean deleted = questionService.deleteById(questionId);
+        boolean deleted = questionMapper.deleteById(questionId) != 0;
         if (!deleted) {
             throw new IllegalArgumentException("试题不存在：id=" + questionId);
         }
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/PaperServiceImpl.java b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/PaperServiceImpl.java
index 85beaa4e..9b88ed0e 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/PaperServiceImpl.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/PaperServiceImpl.java
@@ -4,7 +4,6 @@ import cn.hutool.core.util.IdUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
-import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.baomidou.mybatisplus.extension.toolkit.Db;
@@ -39,6 +38,7 @@ import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 /**
@@ -137,6 +137,9 @@ public class PaperServiceImpl extends ServiceImpl<PaperMapper, PaperDO> implemen
         if (questions.isEmpty()) {
             return;
         }
+        Map<Long, Integer> questionNumByQuestionId = rels.stream()
+                .filter(rel -> rel.getQuestionNum() != null)
+                .collect(Collectors.toMap(PaperQuestionRelDO::getQuestionId, PaperQuestionRelDO::getQuestionNum, (a, b) -> a));
         List<QuestionOptionDO> newOptions = new ArrayList<>();
         List<PaperQuestionRelDO> newRels = new ArrayList<>();
         for (QuestionDO question : questions) {
@@ -173,6 +176,7 @@ public class PaperServiceImpl extends ServiceImpl<PaperMapper, PaperDO> implemen
             PaperQuestionRelDO rel = new PaperQuestionRelDO();
             rel.setPaperId(target.getId());
             rel.setQuestionId(newQuestionId);
+            rel.setQuestionNum(questionNumByQuestionId.get(oldQuestionId));
             rel.setCreateTime(now);
             rel.setUpdateTime(now);
             newRels.add(rel);
@@ -223,8 +227,8 @@ public class PaperServiceImpl extends ServiceImpl<PaperMapper, PaperDO> implemen
     @Override
     public List<Long> getQuestionIds(Long paperId) {
         return paperQuestionRelMapper.selectList(new LambdaQueryWrapper<PaperQuestionRelDO>()
-                .eq(PaperQuestionRelDO::getPaperId, paperId)
-                .eq(PaperQuestionRelDO::getDeleteEnum, DeleteEnum.FALSE.getCode()))
+                        .eq(PaperQuestionRelDO::getPaperId, paperId)
+                        .eq(PaperQuestionRelDO::getDeleteEnum, DeleteEnum.FALSE.getCode()))
                 .stream()
                 .map(PaperQuestionRelDO::getQuestionId)
                 .collect(Collectors.toList());
@@ -253,11 +257,18 @@ public class PaperServiceImpl extends ServiceImpl<PaperMapper, PaperDO> implemen
         Db.saveBatch(parseResult.getOptions());
 
         List<QuestionDO> questions = parseResult.getQuestions();
-        // 绑定试卷试题
-        this.bindQuestions(paper.getId(), questions.stream()
-                .map(QuestionDO::getId)
-                .collect(Collectors.toList()));
-
+        // 绑定试卷试题（含试题号）
+        LocalDateTime now = LocalDateTime.now();
+        List<PaperQuestionRelDO> rels = new ArrayList<>(questions.size());
+        for (int i = 0; i < questions.size(); i++) {
+            PaperQuestionRelDO rel = new PaperQuestionRelDO();
+            rel.setPaperId(paper.getId());
+            rel.setQuestionId(questions.get(0).getId());
+            rel.setQuestionNum(i + 1);
+            InsertFieldDefaults.applyIgnoreOrgId(rel);
+            rels.add(rel);
+        }
+        Db.saveBatch(rels);
         return new PaperImportVO(questions.size(), parseResult.getErrors());
     }
 }
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/QuestionOptionServiceImpl.java b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/QuestionOptionServiceImpl.java
index c3e28fa5..0217efe0 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/QuestionOptionServiceImpl.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/QuestionOptionServiceImpl.java
@@ -1,6 +1,8 @@
 package org.qinan.cedu.service.impl;
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.qinan.cedu.model.entity.QuestionOptionDO;
 import org.qinan.cedu.mapper.QuestionOptionMapper;
 import org.qinan.cedu.service.QuestionOptionService;
@@ -10,5 +12,7 @@ import org.springframework.stereotype.Service;
  * 试题选项服务实现
  */
 @Service
+@Slf4j
+@RequiredArgsConstructor
 public class QuestionOptionServiceImpl extends ServiceImpl<QuestionOptionMapper, QuestionOptionDO> implements QuestionOptionService {
 }
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/QuestionServiceImpl.java b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/QuestionServiceImpl.java
index aca6f0f5..d5524cf1 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/QuestionServiceImpl.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/service/impl/QuestionServiceImpl.java
@@ -5,6 +5,8 @@ import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.qinan.cedu.enums.DeleteEnum;
 import org.qinan.cedu.enums.QuestionTypeEnum;
 import org.qinan.cedu.mapper.QuestionMapper;
@@ -32,6 +34,8 @@ import java.util.stream.Collectors;
  * 试题服务实现
  */
 @Service
+@Slf4j
+@RequiredArgsConstructor
 public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, QuestionDO> implements QuestionService {
 
     @Autowired
diff --git a/safety-cedu-service/src/main/java/org/qinan/cedu/service/support/QuestionExcelImporter.java b/safety-cedu-service/src/main/java/org/qinan/cedu/service/support/QuestionExcelImporter.java
index 503e9be0..e780a753 100644
--- a/safety-cedu-service/src/main/java/org/qinan/cedu/service/support/QuestionExcelImporter.java
+++ b/safety-cedu-service/src/main/java/org/qinan/cedu/service/support/QuestionExcelImporter.java
@@ -299,7 +299,7 @@ public class QuestionExcelImporter {
             }
 
             QuestionDO questionDO = buildChoiceQuestion(row, questionType, answerLetters, coursewareManagementId);
-            questionDO.setQuestionNum(rowIndex - HEAD_ROW_NUMBER);
+            parseResult.getQuestionNumByQuestionId().put(questionDO.getId(), rowIndex - HEAD_ROW_NUMBER);
             List<QuestionOptionDO> questionOptionDOS = buildOptions(questionDO.getId(), options, answerLetters);
             questionDO.setAnswerQuestionOptionIds(joinCorrectOptionIds(questionOptionDOS));
 
@@ -380,7 +380,7 @@ public class QuestionExcelImporter {
             question.setAnalysis(row.getAnalysis().trim());
             question.setTagType(row.getTagType().trim());
             question.setCoursewareManagementId(coursewareManagementId);
-            question.setQuestionNum(rowIndex - HEAD_ROW_NUMBER);
+            parseResult.getQuestionNumByQuestionId().put(question.getId(), rowIndex - HEAD_ROW_NUMBER);
             InsertFieldDefaults.applyIgnoreOrgId(question);
             Map<String, String> optionTexts = new LinkedHashMap<>();
             optionTexts.put(OPTION_KEY_A, JUDGE_CORRECT_OPTION_TEXT);
@@ -509,6 +509,11 @@ public class QuestionExcelImporter {
          */
         private final List<QuestionOptionDO> options;
 
+        /**
+         * 试题id到试题号的映射（试题号归属试卷试题关系）
+         */
+        private final Map<Long, Integer> questionNumByQuestionId;
+
         /**
          * 异常明细
          */
@@ -524,6 +529,7 @@ public class QuestionExcelImporter {
         public ParseResult(List<QuestionDO> questions, List<QuestionOptionDO> options, List<PaperImportErrorVO> errors) {
             this.questions = questions;
             this.options = options;
+            this.questionNumByQuestionId = new HashMap<>();
             this.errors = errors;
         }
 
@@ -533,6 +539,7 @@ public class QuestionExcelImporter {
         public ParseResult() {
             this.questions = new ArrayList<>(64);
             this.options = new ArrayList<>(256);
+            this.questionNumByQuestionId = new HashMap<>();
             this.errors = new ArrayList<>(64);
         }
 
@@ -544,6 +551,7 @@ public class QuestionExcelImporter {
         public ParseResult(List<PaperImportErrorVO> errors) {
             this.questions = new ArrayList<>(64);
             this.options = new ArrayList<>(256);
+            this.questionNumByQuestionId = new HashMap<>();
             this.errors = errors;
         }
     }
diff --git a/safety-cedu-service/src/main/resources/mapper/QuestionMapper.xml b/safety-cedu-service/src/main/resources/mapper/QuestionMapper.xml
index 9bc0ee42..f9c6ee42 100644
--- a/safety-cedu-service/src/main/resources/mapper/QuestionMapper.xml
+++ b/safety-cedu-service/src/main/resources/mapper/QuestionMapper.xml
@@ -4,7 +4,7 @@
 
     <select id="pagePaperQuestions" resultType="org.qinan.cedu.model.vo.PaperQuestionVO">
         SELECT q.id, q.title, q.score, q.answer_question_option_ids, q.analysis
-             , q.question_type, q.tag_type, q.question_num
+             , q.question_type, q.tag_type, pqr.question_num
              , cm.courseware_name
         FROM paper_question_rel pqr
         JOIN question q ON pqr.question_id = q.id
diff --git a/safety-cedu-service/src/test/java/db.sql b/safety-cedu-service/src/test/java/db.sql
index 4507e275..65c35f82 100644
--- a/safety-cedu-service/src/test/java/db.sql
+++ b/safety-cedu-service/src/test/java/db.sql
@@ -81,7 +81,6 @@ CREATE TABLE `questionDO`
     `score`                      decimal(5, 2)                                                NOT NULL DEFAULT 0.00 COMMENT '分值',
     `analysis`                   text CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL COMMENT '答案解析',
     `tag_type`                   varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL COMMENT '标签类型',
-    `question_num`               int NULL DEFAULT NULL COMMENT '试题号',
     `courseware_management_id`   bigint NULL DEFAULT NULL COMMENT '关联课件管理id',
     `delete_enum`                varchar(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '删除标识true false',
     `remarks`                    varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '备注',