员工异步导入

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

@@ -44,7 +44,7 @@
         ORDER BY e.create_time DESC
     </select>
 
-    <!-- 批量插入或更新员工信息 -->
+    <!-- 批量插入或更新员工信息（只更新非null字段） -->
     <insert id="insertOrUpdateBatch" parameterType="java.util.List">
         INSERT INTO ccdi_employee
         (employee_id, name, dept_id, id_card, phone, hire_date, status,
@@ -56,13 +56,12 @@
              #{item.createBy}, #{item.updateBy}, NOW())
         </foreach>
         ON DUPLICATE KEY UPDATE
-            name = VALUES(name),
-            dept_id = VALUES(dept_id),
-            id_card = VALUES(id_card),
-            phone = VALUES(phone),
-            hire_date = VALUES(hire_date),
-            status = VALUES(status),
-            update_by = VALUES(update_by),
+            name = COALESCE(VALUES(name), name),
+            dept_id = COALESCE(VALUES(dept_id), dept_id),
+            phone = COALESCE(VALUES(phone), phone),
+            hire_date = COALESCE(VALUES(hire_date), hire_date),
+            status = COALESCE(VALUES(status), status),
+            update_by = COALESCE(VALUES(update_by), update_by),
             update_time = NOW()
     </insert>