客户管理附件oss上传

bms-back/bms-common/src/main/java/com/bms/common/utils/file/OssStorage.java

@@ -29,6 +29,13 @@ public class OssStorage {
 
     /** 使用文件流上传，避免把整个账单读入内存。返回可持久化的存储标识。 */
     public String upload(Path file, String objectKey, String contentType) throws IOException {
+        try (InputStream input = Files.newInputStream(file)) {
+            return upload(input, Files.size(file), objectKey, contentType);
+        }
+    }
+
+    /** 使用输入流上传（MultipartFile 直传，不落临时文件）。返回可持久化的存储标识。 */
+    public String upload(InputStream input, long size, String objectKey, String contentType) throws IOException {
         validateObjectKey(objectKey);
         String prefix = properties.getPathPrefix();
         validateObjectKey(prefix);
@@ -37,9 +44,9 @@ public class OssStorage {
         }
         objectKey = prefix + "/" + objectKey;
         OSS client = createClient();
-        try (InputStream input = Files.newInputStream(file)) {
+        try {
             ObjectMetadata metadata = new ObjectMetadata();
-            metadata.setContentLength(Files.size(file));
+            metadata.setContentLength(size);
             metadata.setContentType(contentType);
             metadata.setObjectAcl(CannedAccessControlList.Private);
             client.putObject(new PutObjectRequest(properties.getBucket(), objectKey, input, metadata));