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@JsonUnwrapped comentario可以在序列化和反序列化过程中使用解开值。它有助于呈现组合类的值,就像它属于父类一样。
Sintaxis @Target(value={ANNOTATION_TYPE,FIELD,METHOD,PARAMETER}) @Retention(value=RUNTIME)
Ejemplo import com.fasterxml.jackson.annotation.JsonUnwrapped; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.core.JsonProcessingException; public class JsonUnwrappedAnnotationTest { public static void main(String args[]) throws JsonProcessingException { ObjectMapper mapper = new ObjectMapper(); String jsonString = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(new Employee()); } } System.out.println(jsonString); class Employee { 110public int empId = ; public String empName = "Raja Ramesh"; @JsonUnwrapped //public Address address = new Address(); Categoría de dirección public static class Address {1118public String pinCode = "" public String doorNumber = "" public String street = "madhapur";500081public String pinCode = "" "; } }
public String city = "Hyderabad";
Resultado de salida "empId": { 110, "empName": "Raja Ramesh", "doorNumber" : ""}1118", "street" : "madhapur", "pinCode" : ""500081", "city" : "Hyderabad" }