fix(examWords): 修复考试单词顺序混乱和标记阈值调整

- 限制单词释义显示长度，避免过长显示问题
- 修复获取单词后单词 ID 顺序混乱问题，增加更新考试记录单词 ID 顺序功能
- 增加 ExamWordsDOMapper 中更新单词 ID 顺序的方法及对应 XML 配置
- 在 ExamWordsService 中新增更新单词 ID 顺序方法及其实现
- 调整 PngUtil 中未背熟单词标记阈值由 800 降至 500，增强识别准确性
- 优化测试用例，增加对未掌握单词的输出日志
- 更新测试数据文件路径及格式对应关系，改进词汇插入逻辑，完善变量赋值
- 统一单词实体中音标和词性赋值，保证完整词汇信息展现

enlish-service/src/main/java/com/yinlihupo/enlish/service/controller/ExamWordsController.java

@@ -54,12 +54,16 @@ public class ExamWordsController {
             if (examWordsDO == null || examWordsDO.getWordIds().isEmpty()) {
                 throw new RuntimeException("没有单词");
             }
+
             List<VocabularyBankDO> vocabularyBankDOS = vocabularyService.findVocabularyBankDOListById(examWordsDO.getWordIds());
             List<Word> assessmentWords = vocabularyBankDOS.stream().map(vocabularyBankDO -> Word.builder()
                     .id(vocabularyBankDO.getId())
                     .title(vocabularyBankDO.getWord())
-                    .definition(vocabularyBankDO.getDefinition())
+                    .definition(vocabularyBankDO.getDefinition().length() > 6 ? vocabularyBankDO.getDefinition().substring(0, 6) : vocabularyBankDO.getDefinition())
                     .build()).toList();
+            // bug: 获取单词后，单词的id会乱序、 需要重新更新考试记录中的 id
+            examWordsDO.setWordIds(assessmentWords.stream().map(Word::getId).toList());
+            examWordsService.updateExamWordsWordIdsOrder(examWordsDO);
 
             List<StudentDetail> studentDetailList = studentService.getStudentDetailList(Collections.singletonList(studentId));
             List<Map<String, Object>> maps = studentDetailList.stream().map(studentDetail -> {

enlish-service/src/main/java/com/yinlihupo/enlish/service/domain/mapper/ExamWordsDOMapper.java

@@ -7,4 +7,6 @@ public interface ExamWordsDOMapper {
     int insert(ExamWordsDO record);
 
     ExamWordsDO selectById(Integer id);
+
+    void updateWordIdsOrder(ExamWordsDO examWordsDO);
 }

enlish-service/src/main/java/com/yinlihupo/enlish/service/service/ExamWordsService.java

@@ -11,4 +11,6 @@ public interface ExamWordsService {
     ExamWordsDO generateExamWords(Integer gradeId, Integer level, Integer studentId, Integer type);
 
     int saveExamWordsPngToDbAndLocal(MultipartFile file);
+
+    void updateExamWordsWordIdsOrder(ExamWordsDO examWordsDO);
 }

enlish-service/src/main/java/com/yinlihupo/enlish/service/service/exam/ExamWordsServiceImpl.java

@@ -141,5 +141,10 @@ public class ExamWordsServiceImpl implements ExamWordsService {
 
     }
 
+    @Override
+    public void updateExamWordsWordIdsOrder(ExamWordsDO examWordsDO) {
+        examWordsDOMapper.updateWordIdsOrder(examWordsDO);
+    }
+
 
 }

enlish-service/src/main/java/com/yinlihupo/enlish/service/utils/PngUtil.java

@@ -134,7 +134,7 @@ public class PngUtil {
             // 建议：如果光照不均匀，考虑使用 THRESH_OTSU 自动阈值，或者自适应阈值
             Imgproc.threshold(gray, binary, 150, 255, Imgproc.THRESH_BINARY_INV);
 //            调试时打印
-//            Imgcodecs.imwrite("output_binary.png", binary);
+            // Imgcodecs.imwrite("output_binary.png", binary);
             List<Integer> answer = new ArrayList<>();
             int words_index = 0;
 
@@ -169,10 +169,10 @@ public class PngUtil {
                     Mat region = binary.submat(rect);
                     int countNonZero = Core.countNonZero(region);
 
-                    if (countNonZero > 800) {
+                    if (countNonZero > 500) {
                         Integer id = wordIds.get(words_index);
                         answer.add(id);
-                        log.info("检测到标记（未背熟）：ID={}", id);
+                        log.info("检测到标记（未背熟）：ID={}, 当前坐标 x = {} y = {} ", id, currentX + 1, currentY + 1);
                     }
 
                     region.release();

enlish-service/src/main/resources/mapper/ExamWordsDOMapper.xml

@@ -18,6 +18,12 @@
         VALUES (#{gradeId}, #{level}, #{title}, #{wordIds, typeHandler=com.yinlihupo.enlish.service.config.ListWordIdTypeHandler}, #{createdAt})
     </insert>
 
+    <update id="updateWordIdsOrder">
+        update exam_words
+        set word_ids = #{wordIds, typeHandler=com.yinlihupo.enlish.service.config.ListWordIdTypeHandler}
+        where id = #{id}
+    </update>
+
     <select id="selectById" resultMap="ResultMapWithBLOBs">
         select * from exam_words where id = #{id}
     </select>

enlish-service/src/test/java/com/yinlihupo/enlish/service/mapper/TestVocabularyBankInsert.java

@@ -35,9 +35,9 @@ public class TestVocabularyBankInsert {
     private GradeUnitDOMapper gradeUnitDOMapper;
     @Test
     void test() {
-        String file = "C:\\project\\java\\enlish_edu\\enlish\\enlish-service\\src\\test\\java\\com\\yinlihupo\\enlish\\service\\mapper\\3上.xlsx";
+        String file = "C:\\project\\java\\enlish_edu\\enlish\\enlish-service\\src\\test\\java\\com\\yinlihupo\\enlish\\service\\mapper\\八下.xlsx";
         HashMap<String, Integer> map = new HashMap<>();
-        int gradeId = 3;
+        int gradeId = 8;
         try (FileInputStream fis = new FileInputStream(file); Workbook workbook = new XSSFWorkbook(fis)) {
 
             Sheet sheet = workbook.getSheetAt(0);
@@ -49,15 +49,22 @@ public class TestVocabularyBankInsert {
                 }
 
 
+//                String word = row.getCell(0).getStringCellValue();
+//                String pronunciation = row.getCell(1) != null ? row.getCell(1).getStringCellValue() : "";
+//                String pos = row.getCell(2) != null ? row.getCell(2).getStringCellValue() : "";
+//                String meaning = row.getCell(3) != null ? row.getCell(3).getStringCellValue() : "";
+//                String gradeUnit = row.getCell(4) != null ? row.getCell(4).getStringCellValue() : "";
+
                 String word = row.getCell(0).getStringCellValue();
                 String meaning = row.getCell(1) != null ? row.getCell(1).getStringCellValue() : "";
                 String gradeUnit = row.getCell(2) != null ? row.getCell(2).getStringCellValue() : "";
-
+                String pronunciation = "";
+                String pos = "";
                 if (word.contains("Unit")) {
                     continue;
                 }
 
-                int gradeUnitId = 0;
+                int gradeUnitId;
                 if (map.containsKey(gradeUnit)) {
                     gradeUnitId = map.get(gradeUnit);
                 } else {
@@ -80,7 +87,8 @@ public class TestVocabularyBankInsert {
                 VocabularyBankDO vocabularyBankDO = VocabularyBankDO.builder()
                         .word(word)
                         .definition(meaning)
-                        .pronunciation("")
+                        .pronunciation(pronunciation)
+                        .pos(pos)
                         .unitId(gradeUnitId)
                         .build();
                 vocabularyBankMapper.insertSelective(vocabularyBankDO);

enlish-service/src/test/java/com/yinlihupo/enlish/service/service/exam/ExamWordsJudgeServiceTest.java

@@ -1,9 +1,16 @@
 package com.yinlihupo.enlish.service.service.exam;
 
+import com.yinlihupo.enlish.service.domain.dataobject.ExamWordsDO;
 import com.yinlihupo.enlish.service.domain.dataobject.ExamWordsJudgeResultDO;
+import com.yinlihupo.enlish.service.domain.dataobject.VocabularyBankDO;
+import com.yinlihupo.enlish.service.domain.mapper.ExamWordsDOMapper;
+import com.yinlihupo.enlish.service.domain.mapper.VocabularyBankDOMapper;
+import com.yinlihupo.enlish.service.model.bo.CoordinatesXY;
+import com.yinlihupo.enlish.service.model.bo.StudentExamId;
 import com.yinlihupo.enlish.service.service.ExamWordsJudgeService;
 import com.yinlihupo.enlish.service.service.StudentService;
 import com.yinlihupo.enlish.service.utils.DifyArticleClient;
+import com.yinlihupo.enlish.service.utils.PngUtil;
 import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.junit.jupiter.api.Test;
@@ -22,9 +29,29 @@ public class ExamWordsJudgeServiceTest {
     private StudentService studentService;
     @Resource
     private DifyArticleClient difyArticleClient;
+    @Resource
+    private ExamWordsDOMapper examWordsDOMapper;
+    @Resource
+    private VocabularyBankDOMapper vocabularyBankDOMapper;
+
     @Test
     public void judgeExamWords() {
-        examWordsJudgeService.judgeExamWords(1);
+        String ansSheetPath = "C:\\project\\java\\enlish_edu\\enlish\\enlish-service\\src\\main\\resources\\templates\\3.png";
+        List<CoordinatesXY> coordinatesXIES = PngUtil.analysisXY(ansSheetPath);
+        // 从图片中获取学生 id 和考试 id
+        String tessdataPath = "C:\\project\\tess";
+        StudentExamId studentExamId = PngUtil.analyzeExamWordsIdAndStudentId(ansSheetPath, tessdataPath, coordinatesXIES);
+        Integer examWordsId = 41;
+
+        ExamWordsDO examWordsDO = examWordsDOMapper.selectById(examWordsId);
+
+        List<Integer> wordIds = examWordsDO.getWordIds();
+        List<Integer> unmemorizedWordIds = PngUtil.analyzePngForUnmemorizedWordIds(ansSheetPath, wordIds, coordinatesXIES);
+        List<Integer> memorizedWordIds = wordIds.stream().filter(wordId -> !unmemorizedWordIds.contains(wordId)).toList();
+        List<VocabularyBankDO> vocabularyBankDOS = vocabularyBankDOMapper.selectVocabularyBankDOListByIds(unmemorizedWordIds);
+        for (VocabularyBankDO vocabularyBankDO : vocabularyBankDOS) {
+            log.info("未掌握的单词：{}", vocabularyBankDO);
+        }
     }
 
     @Test