def change_visibility(seconds)
      check_receipt_handle
      data = set_data({ReceiptHandle: receipt_handle, VisibilityTimeout: seconds})
      Request::Xml.put(queue.messages_path, data)
    end
def change_visibility(seconds)
      check_receipt_handle
      data = set_data({ReceiptHandle: receipt_handle, VisibilityTimeout: seconds})
      Request::Xml.put(queue.messages_path, data)
    end
修改消息可见时间