s''

app/services/minio.py

@@ -0,0 +1,51 @@
+"""MinIO 对象存储（基于 SDK）"""
+from app.config import (
+    MINIO_ENDPOINT,
+    MINIO_PORT,
+    MINIO_ACCESS_KEY,
+    MINIO_SECRET_KEY,
+    MINIO_BUCKET,
+    MINIO_USE_SSL,
+    MINIO_PUBLIC_URL,
+    MINIO_UPLOAD_PREFIX,
+)
+from app.sdk.minio import MinioSDK
+
+_minio_sdk: MinioSDK | None = None
+
+
+def _get_minio_sdk() -> MinioSDK:
+    global _minio_sdk
+    if _minio_sdk is None:
+        _minio_sdk = MinioSDK(
+            end_point=MINIO_ENDPOINT,
+            access_key=MINIO_ACCESS_KEY,
+            secret_key=MINIO_SECRET_KEY,
+            bucket=MINIO_BUCKET,
+            use_ssl=MINIO_USE_SSL,
+            port=MINIO_PORT,
+            public_url=MINIO_PUBLIC_URL,
+            upload_prefix=MINIO_UPLOAD_PREFIX,
+        )
+    return _minio_sdk
+
+
+def get_minio_client():
+    """获取 MinIO 客户端（未配置时返回 None）"""
+    sdk = _get_minio_sdk()
+    if not sdk.enabled:
+        return None
+    return sdk.get_client()
+
+
+def upload_buffer(data: bytes, object_key: str, content_type: str = "application/octet-stream"):
+    """上传文件到 MinIO（未配置时抛出异常）"""
+    sdk = _get_minio_sdk()
+    if not sdk.enabled:
+        raise RuntimeError("MinIO 未配置，请设置 MINIO_ACCESS_KEY、MINIO_SECRET_KEY")
+    return sdk.upload_buffer(data, object_key, content_type)
+
+
+def generate_object_key(ext: str) -> str:
+    """生成上传用的对象键"""
+    return _get_minio_sdk().generate_object_key(ext)