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/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);