基础设施：前端直连上传，优先使用自定义域名

yudao-framework/yudao-spring-boot-starter-file/src/main/java/cn/iocoder/yudao/framework/file/core/client/FileClient.java

@@ -1,5 +1,7 @@
 package cn.iocoder.yudao.framework.file.core.client;
 
+import cn.iocoder.yudao.framework.file.core.client.s3.FilePresignedUrlBO;
+
 /**
  * 文件客户端
  *
@@ -46,7 +48,7 @@ public interface FileClient {
      * @param fileName 文件名称
      * @return 文件预签名地址
      */
-    default String getPresignedObjectUrl(String fileName) throws Exception {
+    default FilePresignedUrlBO getPresignedObjectUrl(String fileName) throws Exception {
         throw new UnsupportedOperationException("不支持的操作");
     }
 

yudao-framework/yudao-spring-boot-starter-file/src/main/java/cn/iocoder/yudao/framework/file/core/client/s3/FilePresignedUrlBO.java

@@ -0,0 +1,27 @@
+package cn.iocoder.yudao.framework.file.core.client.s3;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * 文件预签名地址 BO
+ *
+ * @author owen
+ */
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+public class FilePresignedUrlBO {
+
+    /**
+     * 文件上传 URL（用于上传）
+     */
+    private String uploadUrl;
+
+    /**
+     * 文件 URL（用于读取、下载等）
+     */
+    private String url;
+
+}

yudao-framework/yudao-spring-boot-starter-file/src/main/java/cn/iocoder/yudao/framework/file/core/client/s3/S3FileClient.java

@@ -120,8 +120,8 @@ public class S3FileClient extends AbstractFileClient<S3FileClientConfig> {
     }
 
     @Override
-    public String getPresignedObjectUrl(String fileName) throws Exception {
-        return client.getPresignedObjectUrl(GetPresignedObjectUrlArgs.builder()
+    public FilePresignedUrlBO getPresignedObjectUrl(String fileName) throws Exception {
+        String uploadUrl = client.getPresignedObjectUrl(GetPresignedObjectUrlArgs.builder()
                 .method(Method.PUT)
                 .bucket(config.getBucket())
                 .object(fileName)
@@ -132,5 +132,6 @@ public class S3FileClient extends AbstractFileClient<S3FileClientConfig> {
                 .expiry(10, TimeUnit.MINUTES)
                 .build()
         );
+        return new FilePresignedUrlBO(uploadUrl, config.getDomain() + "/" + fileName);
     }
 }

yudao-module-infra/yudao-module-infra-biz/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FilePresignedUrlRespVO.java

@@ -14,6 +14,9 @@ public class FilePresignedUrlRespVO {
     @Schema(description = "配置编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "11")
     private Long configId;
 
+    @Schema(description = "文件上传 URL", requiredMode = Schema.RequiredMode.REQUIRED, example = "https://www.iocoder.cn/yudao.jpg")
+    private String uploadUrl;
+
     @Schema(description = "文件 URL", requiredMode = Schema.RequiredMode.REQUIRED, example = "https://www.iocoder.cn/yudao.jpg")
     private String url;
 

yudao-module-infra/yudao-module-infra-biz/src/main/java/cn/iocoder/yudao/module/infra/service/file/FileServiceImpl.java

@@ -6,6 +6,7 @@ import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.common.util.io.FileUtils;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
 import cn.iocoder.yudao.framework.file.core.client.FileClient;
+import cn.iocoder.yudao.framework.file.core.client.s3.FilePresignedUrlBO;
 import cn.iocoder.yudao.framework.file.core.utils.FileTypeUtils;
 import cn.iocoder.yudao.module.infra.controller.admin.file.vo.file.FileCreateReqVO;
 import cn.iocoder.yudao.module.infra.controller.admin.file.vo.file.FilePageReqVO;
@@ -109,8 +110,8 @@ public class FileServiceImpl implements FileService {
     @Override
     public FilePresignedUrlRespVO getFilePresignedUrl(String fileName) throws Exception {
         FileClient fileClient = fileConfigService.getMasterFileClient();
-        String url = fileClient.getPresignedObjectUrl(fileName);
-        return new FilePresignedUrlRespVO(fileClient.getId(), url);
+        FilePresignedUrlBO bo = fileClient.getPresignedObjectUrl(fileName);
+        return BeanUtils.toBean(bo, FilePresignedUrlRespVO.class, f -> f.setConfigId(fileClient.getId()));
     }
 
 }