add 新增 获取oss对象元数据方法

ruoyi-oss/src/main/java/com/ruoyi/oss/core/OssClient.java

@@ -10,10 +10,7 @@ import com.amazonaws.auth.BasicAWSCredentials;
 import com.amazonaws.client.builder.AwsClientBuilder;
 import com.amazonaws.services.s3.AmazonS3;
 import com.amazonaws.services.s3.AmazonS3Client;
-import com.amazonaws.services.s3.model.CannedAccessControlList;
-import com.amazonaws.services.s3.model.CreateBucketRequest;
-import com.amazonaws.services.s3.model.ObjectMetadata;
-import com.amazonaws.services.s3.model.PutObjectRequest;
+import com.amazonaws.services.s3.model.*;
 import com.ruoyi.common.utils.DateUtils;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.oss.constant.OssConstant;
@@ -121,6 +118,16 @@ public class OssClient {
         return upload(inputStream, getPath(properties.getPrefix(), suffix), contentType);
     }
 
+    /**
+     * 获取文件元数据
+     *
+     * @param path 完整文件路径
+     */
+    public ObjectMetadata getObjectMetadata(String path) {
+        S3Object object = client.getObject(properties.getBucketName(), path);
+        return object.getObjectMetadata();
+    }
+
     public String getUrl() {
         String domain = properties.getDomain();
         String endpoint = properties.getEndpoint();