From dee9f245cd463669dbf707e05a2872d4466cbf9b Mon Sep 17 00:00:00 2001
From: peng <peng.com>
Date: 星期四, 14 八月 2025 09:44:14 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/dev' into dev

---
 framework/src/main/java/cn/lili/utils/COSUtil.java |  116 ++++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 files changed, 101 insertions(+), 15 deletions(-)

diff --git a/framework/src/main/java/cn/lili/utils/COSUtil.java b/framework/src/main/java/cn/lili/utils/COSUtil.java
index 23a2c23..6f1a28e 100644
--- a/framework/src/main/java/cn/lili/utils/COSUtil.java
+++ b/framework/src/main/java/cn/lili/utils/COSUtil.java
@@ -18,6 +18,11 @@
 import com.tencent.cloud.cos.util.Jackson;
 import lombok.RequiredArgsConstructor;
 import org.apache.commons.collections4.CollectionUtils;
+//import org.bytedeco.javacv.*;
+//import org.bytedeco.opencv.global.opencv_imgproc;
+//import org.bytedeco.opencv.opencv_core.Mat;
+//import org.bytedeco.opencv.opencv_core.Size;
+//import org.springframework.mock.web.MockMultipartFile;
 import org.springframework.stereotype.Component;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -37,6 +42,100 @@
 public class COSUtil {
 
     private final COSConfigProperty cosConfigProperty;
+
+    /**
+     * 浠庣綉缁滆棰慤RL鎴彇绗竴绉掔敾闈紝杩斿洖MultipartFile绫诲瀷
+     * @param videoUrl 缃戠粶瑙嗛鍦板潃
+     * @param width 灏侀潰瀹藉害
+     * @param height 灏侀潰楂樺害
+     * @return 灏侀潰鍥剧墖鐨凪ultipartFile瀵硅薄
+     * @throws Exception 澶勭悊寮傚父
+     */
+    public MultipartFile captureVideoCoverAsMultipart(String videoUrl, Integer width, Integer height) throws Exception {
+//        // 璁剧疆榛樿瀹介珮
+//        int targetWidth = width != null && width > 0 ? width : 800;
+//        int targetHeight = height != null && height > 0 ? height : 600;
+//
+//        // 鐢熸垚鍞竴鏂囦欢鍚嶏紙鐢ㄤ簬MultipartFile鐨勫師濮嬫枃浠跺悕锛�
+//        String fileName = UUID.randomUUID().toString() + ".jpg";
+//
+//        // 浣跨敤鍐呭瓨娴佸鐞嗗浘鐗囷紝閬垮厤涓存椂鏂囦欢
+//        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+//        FFmpegFrameGrabber grabber = null;
+//
+//        try {
+//            // 鍒濆鍖栬棰戞姄鍙栧櫒
+//            grabber = new FFmpegFrameGrabber(videoUrl);
+//            grabber.start();
+//
+//            // 瀹氫綅鍒扮涓�绉�
+//            grabber.setTimestamp(1000000); // 1绉� = 1,000,000寰
+//
+//            // 鑾峰彇瑙嗛甯�
+//            Frame frame = grabber.grabImage();
+//            if (frame == null) {
+//                throw new RuntimeException("鏃犳硶鑾峰彇瑙嗛甯э紝鍙兘瑙嗛鏍煎紡涓嶆敮鎸佹垨URL鏃犳晥");
+//            }
+//
+//            // 杞崲涓篗at骞惰皟鏁村昂瀵�
+//            OpenCVFrameConverter.ToMat converter = new OpenCVFrameConverter.ToMat();
+//            Mat mat = converter.convert(frame);
+//            Mat resizedMat = new Mat();
+//            opencv_imgproc.resize(mat, resizedMat, new Size(targetWidth, targetHeight));
+//
+//            // 灏嗗鐞嗗悗鐨勫抚鍐欏叆鍐呭瓨娴�
+//            Java2DFrameConverter java2dConverter = new Java2DFrameConverter();
+//            ImageIO.write(
+//                    java2dConverter.getBufferedImage(converter.convert(resizedMat)),
+//                    "jpg",
+//                    outputStream
+//            );
+//
+//            // 灏嗗唴瀛樻祦杞崲涓篗ultipartFile
+//            ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
+//            return new MockMultipartFile(
+//                    "file",          // 琛ㄥ崟瀛楁鍚嶏紙鍙嚜瀹氫箟锛�
+//                    fileName,        // 鍘熷鏂囦欢鍚�
+//                    "image/jpeg",    // 鏂囦欢绫诲瀷
+//                    inputStream      // 鏂囦欢娴�
+//            );
+//        } finally {
+//            // 閲婃斁璧勬簮
+//            if (grabber != null) {
+//                try {
+//                    grabber.stop();
+//                    grabber.release();
+//                } catch (Exception e) {
+//                    e.printStackTrace();
+//                }
+//            }
+//            outputStream.close();
+//        }
+        return null;
+    }
+
+
+
+
+    /**
+     * 浠庡畬鏁碪RL涓彁鍙朇OS鏂囦欢key
+     * @param fullUrl 瀹屾暣URL
+     * @return COS鏂囦欢key
+     */
+    public String extractFileKeyFromUrl(String fullUrl) {
+        // 鍘婚櫎鍗忚鍜屽煙鍚嶉儴鍒�
+        String endpoint = cosConfigProperty.getEndpoint();
+        if (fullUrl.startsWith(endpoint)) {
+            return fullUrl.substring(endpoint.length() + 1);
+        }
+        // 濡傛灉URL鍖呭惈bucket鍚嶇О
+        String bucketUrl = "https://" + cosConfigProperty.getBucket() + "." + endpoint;
+        if (fullUrl.startsWith(bucketUrl)) {
+            return fullUrl.substring(bucketUrl.length() + 1);
+        }
+        // 濡傛灉宸茬粡鏄浉瀵硅矾寰勶紝鐩存帴杩斿洖
+        return fullUrl;
+    }
 
     /**
      * 鑾峰彇sts涓存椂璁块棶鍑瘉
@@ -114,6 +213,7 @@
             cosSTS.setStsEndTime(cosSTS.getStsStartTime() + cosConfigProperty.getDurationSeconds() - 30);
             cosSTS.setBucket(cosConfigProperty.getBucket());
             cosSTS.setRegion(cosConfigProperty.getRegion());
+            cosSTS.setEndpoint(cosConfigProperty.getEndpoint());
             return cosSTS;
         } catch (Exception e) {
             e.printStackTrace();
@@ -224,21 +324,7 @@
      * @return
      */
     public String getPreviewUrl(String fileKey) {
-        COSClient cosClient = this.initClient();
-        // 璁剧疆绛惧悕杩囨湡鏃堕棿(鍙��), 鑻ユ湭杩涜璁剧疆鍒欓粯璁や娇鐢� ClientConfig 涓殑绛惧悕杩囨湡鏃堕棿(1灏忔椂)
-        // 杩欓噷璁剧疆绛惧悕鍦ㄥ崐涓皬鏃跺悗杩囨湡
-        Date expirationDate = new Date(System.currentTimeMillis() + cosConfigProperty.getUrlExpireMinute() * 60 * 1000);
-        // 濉啓鏈璇锋眰鐨勫弬鏁帮紝闇�涓庡疄闄呰姹傜浉鍚岋紝鑳藉闃叉鐢ㄦ埛绡℃敼姝ょ鍚嶇殑 HTTP 璇锋眰鐨勫弬鏁�
-        Map<String, String> params = new HashMap<String, String>();
-        // 濉啓鏈璇锋眰鐨勫ご閮紝闇�涓庡疄闄呰姹傜浉鍚岋紝鑳藉闃叉鐢ㄦ埛绡℃敼姝ょ鍚嶇殑 HTTP 璇锋眰鐨勫ご閮�
-        Map<String, String> headers = new HashMap<String, String>();
-        // 璇锋眰鐨� HTTP 鏂规硶锛屼笂浼犺姹傜敤 PUT锛屼笅杞借姹傜敤 GET锛屽垹闄よ姹傜敤 DELETE
-        HttpMethodName method = HttpMethodName.GET;
-        URL url = cosClient.generatePresignedUrl(cosConfigProperty.getBucket(), fileKey, expirationDate, method, headers, params);
-        System.out.println(url.toString());
-        // 纭鏈繘绋嬩笉鍐嶄娇鐢� cosClient 瀹炰緥涔嬪悗锛屽叧闂嵆鍙�
-        cosClient.shutdown();
-        return url.toString();
+        return cosConfigProperty.getEndpoint() + "/" + fileKey;
     }
 
 

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