Java @JsonIgnore 和 @Getter 注释
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/24466464/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
@JsonIgnore with @Getter Annotation
提问by Prateek Jain
Can i use @JsonIgnore with @Getter annotation from lombok without explicitly define the getter, because i have to use this JsonIgnore while serializing the object but while deserializing, the JsonIgnore annotation must be ignore so the field in my object must not be a null.
我可以在不显式定义 getter 的情况下将 @JsonIgnore 与来自 lombok 的 @Getter 注释一起使用吗，因为我必须在序列化对象时使用此 JsonIgnore，但在反序列化时，必须忽略 JsonIgnore 注释，因此我的对象中的字段不能为空。
@Getter
@Setter
public class User {
private userName;
@JsonIgnore
private password;
}
i know, just by define the JsonIgnore on the getter of passwordi can prevent my password to be serialized but for that i have to explicitly define the getter thing that i don't want. Any idea please, Any help will be appreciated.
我知道，只需在密码的 getter 上定义 JsonIgnore，我就可以防止我的密码被序列化，但为此我必须明确定义我不想要的 getter 内容。请有任何想法，任何帮助将不胜感激。
采纳答案by Sebastian
To put the @JsonIgnore to the generated getter method, you can use onMethod = @__( @JsonIgnore ). This will generate the getter with the specific annotation. For more details check http://projectlombok.org/features/GetterSetter.html
要将 @JsonIgnore 放入生成的 getter 方法，您可以使用 onMethod = @__( @JsonIgnore )。这将生成具有特定注释的 getter。有关更多详细信息，请查看 http://projectlombok.org/features/GetterSetter.html
@Getter
@Setter
public class User {
private userName;
@Getter(onMethod = @__( @JsonIgnore ))
@Setter
private password;
}
回答by ZooMMX
This could be quite obvious but I lost a lot of time not thinking this solution before:
这可能很明显，但我之前浪费了很多时间没有考虑这个解决方案：
@Getter
@Setter
public class User {
private userName;
@Setter
private password;
@JsonIgnore
public getPassword() { return password; }
}
As Sebastian said @__( @JsonIgnore )can resolve this issue but sometimes the use of the onX Lombok feature (@__()) can have side-effects for example breaking the javadoc generation.
正如 Sebastian 所说@__( @JsonIgnore )可以解决这个问题，但有时使用 onX Lombok 功能（@__()）会产生副作用，例如破坏 javadoc 生成。
回答by damato
Recently i had the same issue using Hymanson-annotation 2.9.0 and lombok 1.18.2
最近我在使用 Hymanson-annotation 2.9.0 和 lombok 1.18.2 时遇到了同样的问题
This is what worked for me:
这对我有用：
@Getter
@Setter
public class User {
@JsonIgnore
@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
private String password;
So basically adding the annotation @JsonProperty(access = JsonProperty.Access.WRITE_ONLY)means that the property may only be written for deserialization (using setter) but will not be read on serialization (using getter)
所以基本上添加注释@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)意味着该属性可能只为反序列化而写入（使用 setter），而不会在序列化时读取（使用 getter）
回答by Ali786
With JDK version 8 use below:
使用 JDK 版本 8 如下：
// @Getter(onMethod=@__({@Id, @Column(name="unique-id")})) //JDK7
// @Setter(onParam=@__(@Max(10000))) //JDK7
@Getter(onMethod_={@Id, @Column(name="unique-id")}) //JDK8
@Setter(onParam_=@Max(10000)) //JDK8
Source : https://projectlombok.org/features/experimental/onX
