oss增加按【通过文件扩展名获取MIME类型】存储对象

liusuyi

2025-10-30 27b3ffa1dcf89f4dc5fdd13a96f7c985d0eba68d

 ard-oss/src/main/java/com/ard/oss/service/impl/MinIOServiceImpl.java

@@ -167,6 +167,43 @@
        }
    }
    @Override
    public void putObject(String bucket, String objectKey, InputStream input, String contentType) {
        try {
            // 检查文件是否已经存在
            client.statObject(StatObjectArgs.builder().bucket(bucket).object(objectKey).build());
            throw new RuntimeException("The file already exists: " + objectKey);
        } catch (ErrorResponseException e) {
            // 如果文件不存在，则继续上传
            log.info("The file does not exist, start uploading.");
            try {
                // 设置 partSize 为 10MB
                long partSize = 10 * 1024 * 1024; // 每块 10MB
                PutObjectArgs.Builder putArgsBuilder = PutObjectArgs.builder()
                        .bucket(bucket)
                        .object(objectKey)
                        .stream(input, -1, partSize);

                // 如果提供了 Content-Type，则设置该类型
                if (contentType != null && !contentType.isEmpty()) {
                    putArgsBuilder.contentType(contentType);
                }

                // 上传文件
                ObjectWriteResponse response = client.putObject(putArgsBuilder.build());
                log.info("Uploaded file successfully: {}, ETag: {}", objectKey, response.etag());

            } catch (MinioException | IOException | InvalidKeyException | NoSuchAlgorithmException ex) {
                log.error("Failed to upload file: {}", objectKey, ex);
                throw new RuntimeException("File upload failed: " + objectKey, ex);
            }
        } catch (MinioException | InvalidKeyException | IOException | NoSuchAlgorithmException e) {
            // 如果 statObject 发生错误，说明服务端错误或其他问题
            log.error("Failed to check if file exists: {}", objectKey, e);
            throw new RuntimeException("Failed to check if file exists: " + objectKey, e);
        }
    }

    @Override
    public void createClient() {
        if (Objects.nonNull(this.client)) {
            return;