我正在使用 Gson 库的@JsonAdapter注释将我的 JSON 对象序列化/反序列化为 POJO。
反序列化工作正常,但序列化给了我这个
{
"name": "ana",
"email": "test@test.co.uk",
"address": {
"address_line1": "123 Some Address",
"address_line2": "",
"address_city": "My city",
"address_postalcode": "CV31 9GP"
}
}
而不是
{
"name": "ana",
"email": "test@test.co.uk",
"address_line1": "123 Some Address",
"address_line2": "",
"address_city": "My city",
"address_postalcode": "CV31 9GP"
}
这是因为我返回了一个 JsonElement,但我看不到序列化我的地址对象的另一种方法。
有没有办法返回外部键值对?
用户.java:
public class User() {
private String name;
private String email;
@JsonAdapter(AddressSerializer.class)
private Address address;
...
}
地址序列化程序.java
public class AddressSerializer implements JsonSerializer<Address> {
@Override
public JsonElement serialize(Address src, Type typeOfSrc, JsonSerializationContext context) {
JsonObject jsonAddress = new JsonObject();
jsonAddress.addProperty("address_line1", src.getAddressLine1());
jsonAddress.addProperty("address_line2", src.getAddressLine2());
jsonAddress.addProperty("address_city", src.getCity());
jsonAddress.addProperty("address_postalcode", src.getPostcode());
return jsonAddress;
}
}
你试过@JsonUnwrapped吗?
编辑:但是是的,正如@srinu指出的那样,您现在获得的JSON是标准表示形式,表明地址是不同的对象。否则,看起来所有属性都属于用户。
似乎与这个问题有关。
您可以为用户序列化程序执行类似操作:
public class UserSerializer implements JsonSerializer<User> {
@Override
public JsonElement serialize(User src, Type typeOfSrc, JsonSerializationContext context) {
JsonObject jsonUser = new JsonObject();
jsonUser.addProperty("name", src.getName());
jsonUser.addProperty("email", src.getEmail());
jsonUser.addProperty("address_line1", src.getAddress().getAddressLine1());
jsonUser.addProperty("address_line2", src.getAddress().getAddressLine2());
jsonUser.addProperty("address_city", src.getAddress().getCity());
jsonUser.addProperty("address_postalcode", src.getAddress().getPostcode());
return jsonUser;
}
}