处理下载为公共模块

backend-java/src/main/java/com/nanri/aiimage/common/exception/GlobalExceptionHandler.java

@@ -12,6 +12,7 @@ import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 import org.springframework.web.context.request.async.AsyncRequestNotUsableException;
+import org.springframework.web.server.ResponseStatusException;
 
 import java.io.IOException;
 
@@ -70,6 +71,12 @@ public class GlobalExceptionHandler {
         log.debug("Client disconnected before response completed: {}", ex.getMessage());
     }
 
+    @ExceptionHandler(ResponseStatusException.class)
+    public ResponseEntity<ApiResponse<Void>> handleResponseStatusException(ResponseStatusException ex) {
+        String message = ex.getReason() == null || ex.getReason().isBlank() ? ex.getMessage() : ex.getReason();
+        return ResponseEntity.status(ex.getStatusCode()).body(ApiResponse.fail(message));
+    }
+
     @ExceptionHandler(Exception.class)
     public ApiResponse<Void> handleException(Exception ex) {
         if (isClientAbort(ex)) {