通过identity定义是否相同

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

@@ -35,6 +35,11 @@ import java.util.stream.Collectors;
 final public class AliOssAdapter extends AStorageAdapter {
     private AliOssStorageConfig config;
 
+    @Override
+    public String identity() {
+        return config.identity();
+    }
+
     @Override
     public void loadConfig(Map<String, String> _config) {
         AliOssStorageConfig config = new AliOssStorageConfig();

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

@@ -28,6 +28,11 @@ import java.util.stream.Collectors;
 public class AwsOssAdapter extends AStorageAdapter {
     private AwsOssStorageConfig config;
 
+    @Override
+    public String identity() {
+        return config.identity();
+    }
+
     @Override
     public void loadConfig(Map<String, String> _config) {
         AwsOssStorageConfig config = new AwsOssStorageConfig();

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

@@ -12,6 +12,7 @@ import java.util.List;
 import java.util.Map;
 
 public interface IStorageAdapter {
+    String identity();
     void loadConfig(Map<String, String> config);
     void setConfig(StorageConfig config);
     String uploadFile(String contentType, InputStream inputStream, String ...path);

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

@@ -11,6 +11,11 @@ import java.util.List;
 import java.util.Map;
 
 public class LocalStorageAdapter extends AStorageAdapter{
+    @Override
+    public String identity() {
+        return "";
+    }
+
     @Override
     public void loadConfig(Map<String, String> config) {