Play Framework - 如何忽略 Json 序列化的某些字段? [英] Play Framework - how to ignore some fields for Json Serialisation?
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问题描述
我有案例类
case class User (
id: Option[Long] = None,
username: String,
password: Option[String] = None,
)
这里是这个案例类的 json 序列化器
And here is json serialiser for this case class
object User {
implicit val userWrites: Writes[User] = (
(JsPath \ "id").write[Option[Long]] and
(JsPath \ "username").write[String] and
(JsPath \ "password").write[Option[String]] and
)(unlift(User.unapply))
}
但我不想在 api 响应中公开 password 字段.我怎样才能实现它?
But I don't want to expose password field in api response. How can I achieve it?
我也使用它来为 Slick 在适当的表中读/写数据,我在很多地方使用它,服务层,控制器层,我不想为 api 响应创建单独的类(没有密码).
I use also use this for Slick to read/write data in appropriate table, I'm using it in many places, service layer, controller layer, and I don't want to create separate class for api response (without password).
推荐答案
只需从 Writes
中删除密码字段:
Simply remove the password field from your Writes
:
implicit val userWrites: Writes[User] = Writes { user =>
Json.obj(
"id" -> user.id,
"username" -> user.username
)
}
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