1. 新建统一的查询用户名称工具类

2. 新增业务附件带 url 查询返回 创建人信息

zt-module-infra/zt-module-infra-api/src/main/java/com/zt/plat/module/infra/api/businessfile/dto/BusinessFileWithUrlRespDTO.java

@@ -46,4 +46,14 @@ public class BusinessFileWithUrlRespDTO extends BusinessFileRespDTO {
      */
     private Integer fileSize;
 
+    /**
+     * 创建人
+     */
+    private String creator;
+
+    /**
+     * 创建人名称
+     */
+    private String creatorName;
+
 }

zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/businessfile/vo/BusinessFileRespVO.java

@@ -1,11 +1,11 @@
 package com.zt.plat.module.infra.controller.admin.businessfile.vo;
 
+import com.alibaba.excel.annotation.ExcelIgnoreUnannotated;
+import com.alibaba.excel.annotation.ExcelProperty;
 import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.*;
-import java.util.*;
-import org.springframework.format.annotation.DateTimeFormat;
+import lombok.Data;
+
 import java.time.LocalDateTime;
-import com.alibaba.excel.annotation.*;
 
 @Schema(description = "管理后台 - 业务附件关联 Response VO")
 @Data
@@ -40,4 +40,10 @@ public class BusinessFileRespVO {
     @ExcelProperty("创建时间")
     private LocalDateTime createTime;
 
+    @Schema(description = "创建人", example = "1024")
+    private String creator;
+
+    @Schema(description = "创建人名称", example = "张三")
+    private String creatorName;
+
 }

zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/controller/admin/businessfile/vo/BusinessFileWithUrlRespVO.java

@@ -43,6 +43,9 @@ public class BusinessFileWithUrlRespVO extends BusinessFileRespVO {
     @Schema(description = "文件大小", example = "2048")
     private Integer fileSize;
 
+    @Schema(description = "创建人名称", example = "张三")
+    private String creatorName;
+
     /**
      * 获取文件 URL（参考 FileRespVO 的实现）
      */

zt-module-infra/zt-module-infra-server/src/main/java/com/zt/plat/module/infra/service/businessfile/BusinessFileServiceImpl.java

@@ -3,14 +3,18 @@ package com.zt.plat.module.infra.service.businessfile;
 import cn.hutool.core.collection.CollUtil;
 import com.zt.plat.framework.common.pojo.PageResult;
 import com.zt.plat.framework.common.util.object.BeanUtils;
+import com.zt.plat.framework.common.util.user.UserNameEnrichUtils;
 import com.zt.plat.framework.mybatis.core.query.LambdaQueryWrapperX;
 import com.zt.plat.module.infra.controller.admin.businessfile.vo.BusinessFilePageReqVO;
+import com.zt.plat.module.infra.controller.admin.businessfile.vo.BusinessFileRespVO;
 import com.zt.plat.module.infra.controller.admin.businessfile.vo.BusinessFileSaveReqVO;
 import com.zt.plat.module.infra.controller.admin.businessfile.vo.BusinessFileWithUrlRespVO;
 import com.zt.plat.module.infra.dal.dataobject.businessfile.BusinessFileDO;
 import com.zt.plat.module.infra.dal.dataobject.file.FileDO;
 import com.zt.plat.module.infra.dal.mysql.businessfile.BusinessFileMapper;
 import com.zt.plat.module.infra.service.file.FileService;
+import com.zt.plat.module.system.api.user.AdminUserApi;
+import com.zt.plat.module.system.api.user.dto.AdminUserRespDTO;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
@@ -35,6 +39,9 @@ public class BusinessFileServiceImpl implements BusinessFileService {
     @Resource
     private FileService fileService;
 
+    @Resource
+    private AdminUserApi adminUserApi;
+
     @Override
     public Long createBusinessFile(BusinessFileSaveReqVO createReqVO) {
         // 插入
@@ -97,13 +104,40 @@ public class BusinessFileServiceImpl implements BusinessFileService {
         PageResult<BusinessFileDO> pageResult = getBusinessFilePage(pageReqVO);
         PageResult<BusinessFileWithUrlRespVO> result = BeanUtils.toBean(pageResult, BusinessFileWithUrlRespVO.class);
 
-        // 批量获取文件信息并设置URL
-        List<Long> fileIds = result.getList().stream()
+        if (CollUtil.isEmpty(result.getList())) {
+            return result;
+        }
+
+        // 批量设置文件信息
+        setFileInfo(result.getList());
+        
+        // 批量设置创建人名称
+        UserNameEnrichUtils.setCreatorNames(result.getList(),
+                BusinessFileRespVO::getCreator,
+                BusinessFileWithUrlRespVO::setCreatorName,
+                UserNameEnrichUtils.createUserNicknameProvider(
+                        userIds -> adminUserApi.getUserMap(userIds),
+                        AdminUserRespDTO::getNickname
+                ));
+
+        return result;
+    }
+
+    /**
+     * 批量设置文件信息
+     */
+    private void setFileInfo(List<BusinessFileWithUrlRespVO> voList) {
+        // 批量获取文件信息
+        List<Long> fileIds = voList.stream()
                 .map(BusinessFileWithUrlRespVO::getFileId)
                 .filter(Objects::nonNull)
                 .distinct()
                 .toList();
 
+        if (fileIds.isEmpty()) {
+            return;
+        }
+
         // 批量查询文件信息
         Map<Long, FileDO> fileMap = new HashMap<>();
         for (Long fileId : fileIds) {
@@ -114,7 +148,7 @@ public class BusinessFileServiceImpl implements BusinessFileService {
         }
 
         // 设置文件相关信息
-        for (BusinessFileWithUrlRespVO vo : result.getList()) {
+        voList.forEach(vo -> {
             if (vo.getFileId() != null) {
                 FileDO fileDO = fileMap.get(vo.getFileId());
                 if (fileDO != null) {
@@ -125,8 +159,7 @@ public class BusinessFileServiceImpl implements BusinessFileService {
                     vo.setFileSize(fileDO.getSize());
                 }
             }
-        }
-        return result;
+        });
     }
 
     @Override