修改

src/main/java/com/sztzjy/resource_center/controller/TopicResourceController.java

@@ -137,6 +137,17 @@ public class TopicResourceController {
                 sysTopicAndCourse.setId(IdUtil.randomUUID());
             }
         }
+        for (SysTopicAndCourse sysTopicAndCourse : list) {
+            SysTopicAndCourseExample example = new SysTopicAndCourseExample();
+            example.createCriteria().andTopicIdEqualTo(sysTopicAndCourse.getTopicId())
+                    .andOneIdEqualTo(sysTopicAndCourse.getOneId())
+                    .andTwoIdEqualTo(sysTopicAndCourse.getTwoId())
+                    .andThreeIdEqualTo(sysTopicAndCourse.getThreeId());
+            List<SysTopicAndCourse> sysTopicAndCourses = sysTopicAndCourseMapper.selectByExample(example);
+            if (sysTopicAndCourses != null && !sysTopicAndCourses.isEmpty()) {
+                return new ResultEntity<>(HttpStatus.BAD_REQUEST, "该章节下已存在此题目！");
+            }
+        }
         try {
             sysTopicAndCourseMapper.batchInsert(list);
         } catch (Exception e) {
@@ -159,9 +170,9 @@ public class TopicResourceController {
     @PostMapping("selectTopicByConditions")  //todo 关于老师删除的题库如何查询
     private ResultEntity<PageInfo<SysObjectiveQuestionsDto>> selectTopicByConditions(@RequestParam Integer index,
                                                                                      @RequestParam Integer size,
-                                                                                     @RequestParam (required = false)String oneID,
-                                                                                     @RequestParam (required = false)String twoID,
-                                                                                     @RequestParam (required = false)String threeID,
+                                                                                     @RequestParam(required = false) String oneID,
+                                                                                     @RequestParam(required = false) String twoID,
+                                                                                     @RequestParam(required = false) String threeID,
                                                                                      @RequestParam(required = false) String type,
                                                                                      @ApiParam("题干") @RequestParam(required = false) String content) {
         PageHelper.startPage(index, size);
@@ -185,31 +196,6 @@ public class TopicResourceController {
         List<SysObjectiveQuestionsDto> list = sysObjectiveQuestionMapper.getTopicByConfig(oneID, twoID, threeID, type, content);
         PageInfo<SysObjectiveQuestionsDto> pageInfo = new PageInfo(list);
         return new ResultEntity<PageInfo<SysObjectiveQuestionsDto>>(pageInfo);
-//        SysTopicAndCourseExample example = new SysTopicAndCourseExample();
-//        SysTopicAndCourseExample.Criteria criteria = example.createCriteria();
-//        if (StringUtils.isNotBlank(oneID)) {
-//            criteria.andOneIdEqualTo(oneID);
-//        }
-//        if (StringUtils.isNotBlank(twoID)) {
-//            criteria.andTwoIdEqualTo(twoID);
-//        }
-//        if (StringUtils.isNotBlank(threeID)) {
-//            criteria.andThreeIdEqualTo(threeID);
-//        }
-//        List<SysTopicAndCourse> sysTopicAndCourses = sysTopicAndCourseMapper.selectByExample(example);
-//        List<String> collect = sysTopicAndCourses.stream().map(SysTopicAndCourse::getTopicId).collect(Collectors.toList());
-//        SysObjectiveQuestionsExample example1 = new SysObjectiveQuestionsExample();
-//        SysObjectiveQuestionsExample.Criteria criteria1 = example1.createCriteria();
-//        if (StringUtils.isNotBlank(type)) {
-//            criteria1.andTypeEqualTo(type);
-//        }
-//        if (StringUtils.isNotBlank(content)) {
-//            criteria1.andContentLike(content);
-//        }
-//        criteria1.andObjectiveIdIn(collect);
-//        List<SysObjectiveQuestions> sysObjectiveQuestions = sysObjectiveQuestionMapper.selectByExample(example1);
-//        PageInfo pageInfo = PageUtil.pageHelper(sysObjectiveQuestions, index, size);
-//        return new ResultEntity<PageInfo<SysObjectiveQuestionsDto>>(pageInfo);
     }
 
 

src/main/java/com/sztzjy/resource_center/entity/dto/SysObjectiveQuestionsDto.java

@@ -7,7 +7,6 @@ import lombok.Data;
  * @Author xcj
  * @Date 2024/6/24
  */
-@Data
 public class SysObjectiveQuestionsDto extends SysObjectiveQuestions {
     private String oneID;
     private String twoID;
@@ -16,4 +15,60 @@ public class SysObjectiveQuestionsDto extends SysObjectiveQuestions {
     private String twoName;
     private String threeName;
     private String topicAndCourseId;
+
+    public String getOneID() {
+        return oneID;
+    }
+
+    public void setOneID(String oneID) {
+        this.oneID = oneID;
+    }
+
+    public String getTwoID() {
+        return twoID;
+    }
+
+    public void setTwoID(String twoID) {
+        this.twoID = twoID;
+    }
+
+    public String getThreeID() {
+        return threeID;
+    }
+
+    public void setThreeID(String threeID) {
+        this.threeID = threeID;
+    }
+
+    public String getOneName() {
+        return oneName;
+    }
+
+    public void setOneName(String oneName) {
+        this.oneName = oneName;
+    }
+
+    public String getTwoName() {
+        return twoName;
+    }
+
+    public void setTwoName(String twoName) {
+        this.twoName = twoName;
+    }
+
+    public String getThreeName() {
+        return threeName;
+    }
+
+    public void setThreeName(String threeName) {
+        this.threeName = threeName;
+    }
+
+    public String getTopicAndCourseId() {
+        return topicAndCourseId;
+    }
+
+    public void setTopicAndCourseId(String topicAndCourseId) {
+        this.topicAndCourseId = topicAndCourseId;
+    }
 }

src/main/resources/mapper/SysObjectiveQuestionsMapper.xml

@@ -398,7 +398,8 @@
 
     <!-- 条件查询-->
     <select id="selectTopicByConditions" parameterType="java.lang.String" resultMap="DtoMap">
-        SELECT sb.*,st.one_id,st.two_id,st.three_id,st.id,st.one_name,st.two_name,st.three_name
+        SELECT/* sb.*,st.one_id,st.two_id,st.three_id,st.id,st.one_name,st.two_name,st.three_name*/
+        sb.*, st.*
         FROM sys_objective_questions sb
         left  JOIN sys_topic_and_course st
         on sb.objective_id = st.topic_id
@@ -426,8 +427,8 @@
     <!-- 条件查询-->
     <select id="getTopicByConfig" parameterType="java.lang.String" resultMap="DtoMap">
         SELECT sb.*,st.one_id,st.two_id,st.three_id,st.id,st.one_name,st.two_name,st.three_name
-        FROM sys_topic_and_course st
-        JOIN sys_objective_questions sb
+        FROM  sys_objective_questions sb
+        LEFT JOIN sys_topic_and_course st
         on sb.objective_id = st.topic_id
         <where>
             <if test="oneID != null and oneID != ''">