添加exist

src/main/java/com/ycwl/basic/storage/adapters/AliOssAdapter.java

@@ -211,6 +211,14 @@ final public class AliOssAdapter extends AStorageAdapter {
         }
     }
 
+    @Override
+    public boolean isExists(String ...path) {
+        try (OSSWrapper wrapper = getOssClient()) {
+            OSS ossClient = wrapper.getOSSClient();
+            return ossClient.doesObjectExist(config.getBucketName(), buildPath(path));
+        }
+    }
+
     private OSSWrapper getOssClient() {
         OSS ossClient = new OSSClientBuilder().build(config.getEndpoint(), config.getAccessKeyId(), config.getAccessKeySecret());
         return new OSSWrapper(ossClient);

src/main/java/com/ycwl/basic/storage/adapters/AwsOssAdapter.java

@@ -206,6 +206,16 @@ public class AwsOssAdapter extends AStorageAdapter {
         }
     }
 
+    @Override
+    public boolean isExists(String... path) {
+        try (S3Wrapper wrapper = getS3Client()) {
+            AmazonS3Client s3Client = wrapper.getS3Client();
+            return s3Client.doesObjectExist(config.getBucketName(), buildPath(path));
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
     private S3Wrapper getS3Client() {
         BasicAWSCredentials basicAwsCred = new BasicAWSCredentials(config.getAccessKeyId(), config.getAccessKeySecret());
         ClientConfiguration clientConfiguration = new ClientConfiguration();

src/main/java/com/ycwl/basic/storage/adapters/IStorageAdapter.java

@@ -26,4 +26,6 @@ public interface IStorageAdapter {
     List<StorageFileObject> listDir(String ...path);
     boolean deleteDir(String ...path);
     boolean setAcl(StorageAcl acl, String ...path);
+
+    boolean isExists(String ...path);
 }

src/main/java/com/ycwl/basic/storage/adapters/LocalStorageAdapter.java

@@ -60,4 +60,9 @@ public class LocalStorageAdapter extends AStorageAdapter{
     public boolean setAcl(StorageAcl acl, String... path) {
         return false;
     }
+
+    @Override
+    public boolean isExists(String... path) {
+        return false;
+    }
 }