objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);//忽略未知字段
objectMapper.configure(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES, true);// 忽略字段大小写
HazardousAreaBean hazardousAreaBean=objectMapper.readValue(JSON.toJSONString(object),HazardousAreaBean.class);