百战大数据开发2022

   private static Map<SerializableFunction<?, ?>, Field> cache = new ConcurrentHashMap<>();    public static <T, R> String getFieldName(SerializableFunction<T, R> function) {        Field field = ReflectionTool.getField(function);        return field.getName();    }    public static <T, R> Field getField(SerializableFunction<T, R> function) {        return cache.computeIfAbsent(function, ReflectionTool::findField);    }