From 3b42bea34b9ed7d9d2096c62dc261cc89bc31ae7 Mon Sep 17 00:00:00 2001
From: linwei <872216696@qq.com>
Date: Mon, 26 Jan 2026 18:25:30 +0800
Subject: [PATCH] 文件下载

---
 drone-ops/drone-resource/src/main/java/org/sxkj/resource/service/IAttachService.java |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drone-ops/drone-resource/src/main/java/org/sxkj/resource/service/IAttachService.java b/drone-ops/drone-resource/src/main/java/org/sxkj/resource/service/IAttachService.java
index eff33ce..43b7283 100644
--- a/drone-ops/drone-resource/src/main/java/org/sxkj/resource/service/IAttachService.java
+++ b/drone-ops/drone-resource/src/main/java/org/sxkj/resource/service/IAttachService.java
@@ -212,4 +212,13 @@
 	 */
 	List<AttachTypeStatisticsVO> calculateTheThreeDimensionalArea(String deviceSn, String startDate, String endDate, String resultTypes, String areaCode);
 
+	/**
+	 * 流式附件下载
+	 * @param param 下载参数
+	 * @param outputStream 输出流
+	 * @return 处理结果
+	 * @throws IOException IO异常
+	 */
+	Boolean downloadByByte(AttachmentDownloadParam param, java.io.OutputStream outputStream) throws IOException;
+
 }

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