ObjectMapperFactory.java 文件源码

public static ObjectMapper create() {
    final ObjectMapper mapper = new ObjectMapper();
    mapper.configure(Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);

    mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
    mapper.enableDefaultTyping();

    mapper.setVisibilityChecker(VisibilityChecker.Std.defaultInstance()
            .withFieldVisibility(Visibility.ANY)
            .withGetterVisibility(Visibility.NONE));

    return mapper;
}