使用jackson将json数据映射到java中的两个不同实体

Question

我正在Java中使用jackson库。

{
  "Device": "1234",
  "By": "Manual",
  "Flow": 524,
  "Timezone": "Asia/Calcutta",
  "Timestamp": "29/09/14 15:50:00"
}

class DataEntity
{
 String Devive;
 String By;
 int Flow;
}

class TimeEntity
{
  String Timezone;
  String Timetamp;
}

Answer 1

您必须使用@JsonIgnoreProperties(ignoreUnknown=true)对类进行注释。

之后：

ObjectMapper mapper = new ObjectMapper();
DataEntity dataEntity = mapper.readValue(json, DataEntity.class);
TimeEntity timeEntity = mapper.readValue(json, TimeEntity.class);