From 7fff9a9e14e06568933afa9af5168ffa9cdb3de9 Mon Sep 17 00:00:00 2001
From: maven <2163098428@qq.com>
Date: 星期二, 23 九月 2025 17:58:29 +0800
Subject: [PATCH] yys  修改巡检bug

---
 src/main/java/com/ruoyi/common/utils/MinioUtils.java |   44 ++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 44 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/ruoyi/common/utils/MinioUtils.java b/src/main/java/com/ruoyi/common/utils/MinioUtils.java
index 28eec5b..d192f93 100644
--- a/src/main/java/com/ruoyi/common/utils/MinioUtils.java
+++ b/src/main/java/com/ruoyi/common/utils/MinioUtils.java
@@ -386,4 +386,48 @@
             throw new UtilException("鐢熸垚涓嬭浇URL澶辫触: " + e.getMessage(), e);
         }
     }
+
+    public String getDownloadUrl(String bucketFileName, String bucketName) {
+        if (StringUtils.isNotBlank(bucketFileName)) {
+            try {
+                // 妫�鏌ユ枃浠舵槸鍚﹀瓨鍦�
+                minioClient.statObject(StatObjectArgs.builder()
+                        .bucket(bucketName)
+                        .object(bucketFileName)
+                        .build());
+
+                // 璁剧疆鍝嶅簲澶�
+                Map<String, String> reqParams = new HashMap<>();
+                // 鎻愬彇鍘熷鏂囦欢鍚嶏紙濡傛灉瀛樺偍鏃朵繚鐣欎簡鍘熷鍚嶇О锛�
+                String originalFileName = extractOriginalFileName(bucketFileName);
+                reqParams.put("response-content-disposition",
+                        "attachment; filename=\"" + URLEncoder.encode(originalFileName, String.valueOf(StandardCharsets.UTF_8)) + "\"");
+
+                // 鏋勫缓棰勭鍚峌RL鍙傛暟
+                GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder()
+                        .method(Method.GET)
+                        .bucket(bucketName)
+                        .object(bucketFileName)
+                        .expiry(previewExpiry, TimeUnit.HOURS)
+                        .extraQueryParams(reqParams)
+                        .build();
+
+                return minioClient.getPresignedObjectUrl(args);
+            } catch (Exception e) {
+                throw new UtilException("MinioUtils锛氱敓鎴愪笅杞介摼鎺ュ紓甯�", e);
+            }
+        }
+        return null;
+    }
+
+    private String extractOriginalFileName(String bucketFileName) {
+        // 绀轰緥锛氬鏋滃瓨鍌ㄦ牸寮忎负 "鍘熷鏂囦欢鍚峗UUID"
+        int underscoreIndex = bucketFileName.lastIndexOf("_");
+        if (underscoreIndex > 0) {
+            return bucketFileName.substring(0, underscoreIndex);
+        }
+        // 濡傛灉娌℃湁鐗规畩鏍煎紡锛岀洿鎺ヨ繑鍥炲畬鏁存枃浠跺悕
+        return bucketFileName;
+    }
+
 }

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