From e93149b53465b1716211ff444a4ce604baf2c0a8 Mon Sep 17 00:00:00 2001
From: wanghu <wanghu@yuanhai.com>
Date: Mon, 21 Sep 2026 17:25:25 +0800
Subject: [PATCH] =?UTF-8?q?=E9=99=84=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/yunhai/dormnotice/service/IFileService.java    |  9 +++++++++
 .../yunhai/dormnotice/service/impl/FileService.java    | 10 ++++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/main/java/com/yunhai/dormnotice/service/IFileService.java b/src/main/java/com/yunhai/dormnotice/service/IFileService.java
index fd76136..25f0ce1 100644
--- a/src/main/java/com/yunhai/dormnotice/service/IFileService.java
+++ b/src/main/java/com/yunhai/dormnotice/service/IFileService.java
@@ -82,6 +82,15 @@ public interface IFileService {
      */
     void downloadZipByTopic(String topicType, Integer topicId, String zipName, HttpServletResponse response);
 
+    /**
+     * 按附件记录ID列表打包下载为 ZIP。
+     *
+     * @param fileIds  附件记录ID列表
+     * @param zipName  压缩包显示名（自动追加 .zip）
+     * @param response HTTP 响应
+     */
+    void downloadZipByIds(List<Integer> fileIds, String zipName, HttpServletResponse response);
+
     /**
      * 批量上传图片（循环上传，返回每个文件的视图对象列表）。
      */
diff --git a/src/main/java/com/yunhai/dormnotice/service/impl/FileService.java b/src/main/java/com/yunhai/dormnotice/service/impl/FileService.java
index 72de411..243d8ba 100644
--- a/src/main/java/com/yunhai/dormnotice/service/impl/FileService.java
+++ b/src/main/java/com/yunhai/dormnotice/service/impl/FileService.java
@@ -268,6 +268,16 @@ public class FileService implements IFileService {
         downloadZip(files, zipName, response);
     }
 
+    // ============================ 按附件ID列表打包下载 ============================
+
+    @Override
+    public void downloadZipByIds(List<Integer> fileIds, String zipName, HttpServletResponse response) {
+        List<UpFile> files = fileIds == null || fileIds.isEmpty()
+                ? Collections.emptyList()
+                : upFileRepository.findAllById(fileIds);
+        downloadZip(files, zipName, response);
+    }
+
     // ============================ 批量上传图片 ============================
 
     @Override