杰克逊无法使用连字符对字段进行反序列化

Question

在下面的代码中，结果orderObj没有合同编号，订单号详细信息。仅使用连字符对字段进行反序列化。据我所知@jsonproperty应该映射。请帮助获取我的结果orderObj中的所有字段。import com.fasterxml.jackson.annotation.JsonProperty;public class Order implements Serializable {    private static final long serialVersionUID = 6791737023394030929L;    @JsonProperty("id")    private String id;    @JsonProperty("contract-id")    private String contractId;    @JsonProperty("order-number")    private String orderNumber;}final ObjectMapper mapper = new ObjectMapper();mapper.setAnnotationIntrospector(new JaxbAnnotationIntrospector(mapper.getTypeFactory()));mapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);mapper.configure(DeserializationFeature.READ_UNKNOWN_ENUM_VALUES_AS_NULL, true);Response response = orderServiceTarget.queryParam("contract-id",contractId).request().accept(MediaType.APPLICATION_JSON).headers(headersMap).get();final String serverResponseStr = response.readEntity(String.class);Order  orderObj = objectMapper.readValue(serverResponseStr, Order.class); 结果对象是：缺少其他字段，{    "id": "7FABA1724B8F15306447852233",}这是服务器响应：{    "id": "7FABA1724B8F15306447852233",    "contract-id": "42BAD9AAA5231BD",    "order-number": "ADD",    "market-segment": "COM",}

Answer 1

正如评论中所讨论的，您似乎ObjectMapper已配置为使用JaxbAnnotationIntrospector，它将查找例如@XmlElement而不是@JsonProperty。该id字段仍然有效，因为其字段名称在JSON和Java之间匹配。

您只需删除以下行就可以解决此问题：

mapper.setAnnotationIntrospector(new JaxbAnnotationIntrospector(mapper.getTypeFactory()));