update

src/main/java/cn/wepact/dfm/training/service/SyncUserInfoService.java

@@ -6,6 +6,7 @@ import cn.hutool.json.JSONObject;
 import cn.wepact.dfm.training.dto.SyncRequest;
 import cn.wepact.dfm.training.dto.entity.SyncTaskLog;
 import cn.wepact.dfm.training.dto.entity.SyncUserInfoLog;
+import cn.wepact.dfm.training.dto.entity.TUser;
 import cn.wepact.dfm.training.mapper.SyncUserInfoLogMapper;
 import cn.wepact.dfm.training.mapper.TUserMapper;
 import cn.wepact.dfm.training.util.HttpClientUtil;
@@ -33,8 +34,10 @@ import java.math.BigDecimal;
 import java.sql.Timestamp;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
+import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 @Service
@@ -199,6 +202,26 @@ public class SyncUserInfoService {
                 return;
             }
 
+            // 第一遍：收集所有用户名，批量查询用户ID（替代 N+1 逐条查询）
+            List<String> usernames = new ArrayList<>(dataArray.size());
+            for (int i = 0; i < dataArray.size(); i++) {
+                JSONObject dataObject = dataArray.getJSONObject(i);
+                if (dataObject == null) continue;
+                String u = getStringValue(dataObject, "username");
+                if (!u.isEmpty()) {
+                    usernames.add(u);
+                }
+            }
+            Map<String, Long> userIdCache = new HashMap<>();
+            if (!usernames.isEmpty()) {
+                List<TUser> tUsers = userMapper.batchFindUserIdByUsernames(usernames);
+                for (TUser tUser : tUsers) {
+                    if (tUser.getUserNo() != null) {
+                        userIdCache.put(tUser.getUserNo(), tUser.getId());
+                    }
+                }
+            }
+
             for (int i = 0; i < dataArray.size(); i++) {
                 JSONObject dataObject = dataArray.getJSONObject(i);
                 if (dataObject == null) {
@@ -213,8 +236,8 @@ public class SyncUserInfoService {
                     continue;
                 }
 
-                // 获取系统内部的user_id
-                Long userId = userMapper.findUserIdByUsername(username);
+                // 从批量查询的缓存中获取系统内部的user_id
+                Long userId = userIdCache.get(username);
                 if (userId == null) {
                     logger.warn("未找到用户: {}", username);
                     continue;