此版本仍在开发中,尚未被视为稳定版本。对于最新的稳定版本,请使用 Spring Framework 6.2.0! |
Jackson JSON
Spring 提供对 Jackson JSON 库的支持。
JSON 视图
Spring WebFlux 为 Jackson 的序列化视图提供了内置支持,
,它只允许渲染Object
.若要将其与@ResponseBody
或ResponseEntity
controller 方法,你可以使用 Jackson 的@JsonView
注解激活序列化视图类,如下例所示:
-
Java
-
Kotlin
@RestController
public class UserController {
@GetMapping("/user")
@JsonView(User.WithoutPasswordView.class)
public User getUser() {
return new User("eric", "7!jd#h23");
}
}
public class User {
public interface WithoutPasswordView {};
public interface WithPasswordView extends WithoutPasswordView {};
private String username;
private String password;
public User() {
}
public User(String username, String password) {
this.username = username;
this.password = password;
}
@JsonView(WithoutPasswordView.class)
public String getUsername() {
return this.username;
}
@JsonView(WithPasswordView.class)
public String getPassword() {
return this.password;
}
}
@RestController
class UserController {
@GetMapping("/user")
@JsonView(User.WithoutPasswordView::class)
fun getUser(): User {
return User("eric", "7!jd#h23")
}
}
class User(
@JsonView(WithoutPasswordView::class) val username: String,
@JsonView(WithPasswordView::class) val password: String
) {
interface WithoutPasswordView
interface WithPasswordView : WithoutPasswordView
}
@JsonView 允许视图类数组,但您只能为每个
controller 方法。如果需要激活多个视图,请使用复合界面。 |