yys

maven

2 天以前 9d71b9bf1ec9e8597da70582f9eb7df580f3d58b

 src/main/java/com/ruoyi/common/utils/MinioUtils.java

@@ -386,4 +386,48 @@
            throw new UtilException("生成下载URL失败: " + e.getMessage(), e);
        }
    }

    public String getDownloadUrl(String bucketFileName, String bucketName) {
        if (StringUtils.isNotBlank(bucketFileName)) {
            try {
                // 检查文件是否存在
                minioClient.statObject(StatObjectArgs.builder()
                        .bucket(bucketName)
                        .object(bucketFileName)
                        .build());

                // 设置响应头
                Map<String, String> reqParams = new HashMap<>();
                // 提取原始文件名（如果存储时保留了原始名称）
                String originalFileName = extractOriginalFileName(bucketFileName);
                reqParams.put("response-content-disposition",
                        "attachment; filename=\"" + URLEncoder.encode(originalFileName, String.valueOf(StandardCharsets.UTF_8)) + "\"");

                // 构建预签名URL参数
                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：生成下载链接异常", e);
            }
        }
        return null;
    }

    private String extractOriginalFileName(String bucketFileName) {
        // 示例：如果存储格式为 "原始文件名_UUID"
        int underscoreIndex = bucketFileName.lastIndexOf("_");
        if (underscoreIndex > 0) {
            return bucketFileName.substring(0, underscoreIndex);
        }
        // 如果没有特殊格式，直接返回完整文件名
        return bucketFileName;
    }

}