拷贝两个类中相同属性名的方法

AttrClone.java

    public static void copy(Object from, Object to) {
        Field[] fromFields = from.getClass().getDeclaredFields();
        Field[] toFields = to.getClass().getDeclaredFields();

        Class toClass = to.getClass();

        Set<String> toFieldSet = Stream.of(toFields).map(Field::getName).collect(Collectors.toSet());
        for (Field fromField : fromFields) {
            // 判断来源属性中是否含有目标属性
            if (toFieldSet.contains(fromField.getName())) {
                try {
                    Field toField = toClass.getDeclaredField(fromField.getName());
                    toField.set(to, fromField.get(from));
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }