Default Changelist

backend/src/main/java/lsgwr/exam/entity/ExamRecord.java

@@ -53,4 +53,4 @@ public class ExamRecord {
      * 考试得分水平
      */
     private Integer examResultLevel;
-}
+}

backend/src/main/java/lsgwr/exam/entity/ExamRecordLevel.java

@@ -16,9 +16,12 @@ import javax.persistence.Id;
 @Data
 @Entity
 public class ExamRecordLevel {
+    // 考试记录等级ID
     @Id
     @GeneratedValue
     private Integer examRecordLevelId;
+    // 考试记录等级名称
     private String examRecordLevelName;
+    // 考试记录等级描述
     private String examRecordLevelDescription;
-}
+}

backend/src/main/java/lsgwr/exam/exception/ExamException.java

@@ -11,15 +11,18 @@ import lombok.Getter;
 
 @Getter
 public class ExamException extends RuntimeException {
+    // 定义异常码
     private Integer code;
 
+    // 构造函数，传入枚举类型
     public ExamException(ResultEnum resultEnum) {
         super(resultEnum.getMessage());
         this.code = resultEnum.getCode();
     }
 
+    // 构造函数，传入异常码和异常信息
     public ExamException( Integer code, String message) {
         super(message);
         this.code = code;
     }
-}
+}

backend/src/main/java/lsgwr/exam/repository/ExamRecordLevelRepository.java

@@ -9,5 +9,6 @@ package lsgwr.exam.repository;
 import lsgwr.exam.entity.ExamRecordLevel;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+// ExamRecordLevelRepository接口，继承JpaRepository接口，用于操作ExamRecordLevel实体类
 public interface ExamRecordLevelRepository extends JpaRepository<ExamRecordLevel, Integer> {
-}
+}

backend/src/main/java/lsgwr/exam/repository/ExamRecordRepository.java

@@ -19,4 +19,4 @@ public interface ExamRecordRepository extends JpaRepository<ExamRecord, String>
      * @return 用户参加过的所有考试
      */
     List<ExamRecord> findByExamJoinerIdOrderByExamJoinDateDesc(String userId);
-}
+}

backend/src/main/java/lsgwr/exam/repository/ExamRepository.java

@@ -12,7 +12,9 @@ import org.springframework.data.jpa.repository.Query;
 
 import java.util.List;
 
+// ExamRepository接口，继承JpaRepository接口，用于操作Exam实体类
 public interface ExamRepository extends JpaRepository<Exam, String> {
+    // 使用JPQL查询语句，查询Exam实体类，按照updateTime降序排列
     @Query("select e from Exam e order by e.updateTime desc")
     List<Exam> findAll();
 }