From 9f3a45da6d1dc9c71187f15131665eb9806f5588 Mon Sep 17 00:00:00 2001
From: maven <2163098428@qq.com>
Date: 星期二, 28 十月 2025 15:58:03 +0800
Subject: [PATCH] yys 1.修改配置文件 2.增加模板
---
 src/main/java/com/ruoyi/common/utils/MinioUtils.java |  132 ++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 128 insertions(+), 4 deletions(-)
diff --git a/src/main/java/com/ruoyi/common/utils/MinioUtils.java b/src/main/java/com/ruoyi/common/utils/MinioUtils.java
index 55af1dd..d192f93 100644
--- a/src/main/java/com/ruoyi/common/utils/MinioUtils.java
+++ b/src/main/java/com/ruoyi/common/utils/MinioUtils.java
@@ -21,12 +21,10 @@
 import javax.servlet.ServletOutputStream;
 import javax.servlet.http.HttpServletResponse;
 import java.io.InputStream;
+import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.List;
+import java.util.*;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
@@ -306,4 +304,130 @@
         return null;
     }
 
+    /**
+     * 鐢熸垚棰勮URL
+     * @param bucketFilename 鏂囦欢鍦∕inIO涓殑鍞竴鏍囪瘑
+     * @param bucketName 瀛樺偍妗跺悕绉�
+     * @param useDefaultExpiry 鏄惁浣跨敤榛樿杩囨湡鏃堕棿锛坱rue=浣跨敤榛樿杩囨湡鏃堕棿锛宖alse=姘镐箙鏈夋晥锛�
+     * @return 棰勮URL
+     */
+    public String getPreviewUrls(String bucketFilename, String bucketName, boolean useDefaultExpiry) {
+        if (StringUtils.isBlank(bucketFilename)) {
+            return null;
+        }
+
+        try {
+            // 楠岃瘉鏂囦欢瀛樺湪鎬�
+            minioClient.statObject(StatObjectArgs.builder()
+                    .bucket(bucketName)
+                    .object(bucketFilename)
+                    .build());
+
+            GetPresignedObjectUrlArgs.Builder builder = GetPresignedObjectUrlArgs.builder()
+                    .method(Method.GET)
+                    .bucket(bucketName)
+                    .object(bucketFilename);
+
+            // 璁剧疆杩囨湡鏃堕棿锛歶seDefaultExpiry=true 浣跨敤閰嶇疆鐨勮繃鏈熸椂闂�
+            if (useDefaultExpiry) {
+                builder.expiry(previewExpiry, TimeUnit.HOURS);
+            }
+
+            return minioClient.getPresignedObjectUrl(builder.build());
+        } catch (Exception e) {
+            throw new UtilException("鐢熸垚棰勮URL澶辫触: " + e.getMessage(), e);
+        }
+    }
+
+
+    /**
+     * 鐢熸垚涓嬭浇URL锛堝己鍒舵祻瑙堝櫒涓嬭浇锛�
+     * @param bucketFilename 鏂囦欢鍦∕inIO涓殑鍞竴鏍囪瘑
+     * @param bucketName 瀛樺偍妗跺悕绉�
+     * @param originalFileName 鍘熷鏂囦欢鍚嶏紙鐢ㄤ簬涓嬭浇鏃舵樉绀猴級
+     * @param useDefaultExpiry 鏄惁浣跨敤榛樿杩囨湡鏃堕棿锛坱rue=浣跨敤榛樿锛宖alse=鏃犺繃鏈熸椂闂达級
+     * @return 涓嬭浇URL
+     */
+    public String getDownloadUrls(String bucketFilename, String bucketName, String originalFileName, boolean useDefaultExpiry) {
+        if (StringUtils.isBlank(bucketFilename)) {
+            return null;
+        }
+
+        try {
+            // 楠岃瘉鏂囦欢瀛樺湪鎬�
+            minioClient.statObject(StatObjectArgs.builder()
+                    .bucket(bucketName)
+                    .object(bucketFilename)
+                    .build());
+
+            // 姝g‘缂栫爜鏂囦欢鍚嶏細鏇挎崲 + 涓� %20
+            String encodedFileName = URLEncoder.encode(originalFileName, String.valueOf(StandardCharsets.UTF_8))
+                    .replace("+", "%20");
+
+            Map<String, String> reqParams = new HashMap<>();
+            reqParams.put("response-content-disposition",
+                    "attachment; filename=\"" + encodedFileName + "\"");
+
+            GetPresignedObjectUrlArgs.Builder builder = GetPresignedObjectUrlArgs.builder()
+                    .method(Method.GET)
+                    .bucket(bucketName)
+                    .object(bucketFilename)
+                    .extraQueryParams(reqParams);
+
+            // 鏍规嵁鍙傛暟鍐冲畾鏄惁璁剧疆杩囨湡鏃堕棿
+            if (useDefaultExpiry) {
+                // 浣跨敤榛樿杩囨湡鏃堕棿锛堜粠閰嶇疆璇诲彇锛�
+                builder.expiry(previewExpiry, TimeUnit.HOURS);
+            } else {
+                // 涓嶈缃繃鏈熸椂闂达紙MinIO 榛樿7澶╋級
+            }
+            return minioClient.getPresignedObjectUrl(builder.build());
+        } catch (Exception e) {
+            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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