fix: 修复员工导入Service层的事务管理和批量插入性能问题

问题1: importEmployeeAsync方法缺少@Transactional注解
- 在第239行添加@Transactional注解,确保异步操作的事务一致性

问题2: saveBatch方法性能问题
- 原实现: 循环内逐条调用insert(),不是真正的批量插入
- 修复方案:
  1. 在CcdiEmployeeMapper接口中新增insertBatch方法
  2. 在CcdiEmployeeMapper.xml中实现真正的批量插入SQL
  3. saveBatch方法改为调用insertBatch,分批次批量插入

性能提升:
- 之前: 1000条数据需要1000次数据库往返
- 之后: 1000条数据只需2次数据库往返(分批次500条)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/mapper/CcdiEmployeeMapper.java

@@ -43,4 +43,12 @@ public interface CcdiEmployeeMapper extends BaseMapper<CcdiEmployee> {
      * @return 影响行数
      */
     int insertOrUpdateBatch(@Param("list") List<CcdiEmployee> list);
+
+    /**
+     * 批量插入员工信息
+     *
+     * @param list 员工信息列表
+     * @return 影响行数
+     */
+    int insertBatch(@Param("list") List<CcdiEmployee> list);
 }

ruoyi-ccdi/src/main/java/com/ruoyi/ccdi/service/impl/CcdiEmployeeServiceImpl.java

@@ -236,6 +236,7 @@ public class CcdiEmployeeServiceImpl implements ICcdiEmployeeService {
      */
     @Override
     @Async("importExecutor")
+    @Transactional
     public CompletableFuture<ImportResultVO> importEmployeeAsync(List<CcdiEmployeeExcel> excelList, Boolean isUpdateSupport) {
         String taskId = UUID.randomUUID().toString();
         long startTime = System.currentTimeMillis();
@@ -531,12 +532,11 @@ public class CcdiEmployeeServiceImpl implements ICcdiEmployeeService {
      * 批量保存
      */
     private void saveBatch(List<CcdiEmployee> list, int batchSize) {
+        // 使用真正的批量插入,分批次执行以提高性能
         for (int i = 0; i < list.size(); i += batchSize) {
             int end = Math.min(i + batchSize, list.size());
             List<CcdiEmployee> subList = list.subList(i, end);
-            for (CcdiEmployee employee : subList) {
-                employeeMapper.insert(employee);
-            }
+            employeeMapper.insertBatch(subList);
         }
     }
 

ruoyi-ccdi/src/main/resources/mapper/ccdi/CcdiEmployeeMapper.xml

@@ -66,4 +66,17 @@
             update_time = NOW()
     </insert>
 
+    <!-- 批量插入员工信息 -->
+    <insert id="insertBatch" parameterType="java.util.List">
+        INSERT INTO ccdi_employee
+        (employee_id, name, dept_id, id_card, phone, hire_date, status,
+         create_time, create_by, update_by, update_time)
+        VALUES
+        <foreach collection="list" item="item" separator=",">
+            (#{item.employeeId}, #{item.name}, #{item.deptId}, #{item.idCard},
+             #{item.phone}, #{item.hireDate}, #{item.status}, NOW(),
+             #{item.createBy}, #{item.updateBy}, NOW())
+        </foreach>
+    </insert>
+
 </mapper>