@Override
    @NonNull
    @Log
    public Mono<Void> handle(final WebSocketSession session) {
        return session.send(
                session.receive()
                        .map(msg -> session.binaryMessage(msg.getNativeMessage())));
    }
Handle by upload handler.
@param session  session
@return  void
shenyu-examples/shenyu-examples-websocket/shenyu-example-spring-reactive-websocket/src/main/java/org/apache/shenyu/examples/websocket/handler/UploadFileHandler.java