具体报错如下:
问题描述:Jackson解析嵌套类问题
调用接口返回json格式的数据,使用Jackson解析参数转换成对象:
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
public class PixlIdDto implements Serializable {
@JsonIgnore
private static final long serialVersionUID = -5776690969534186379L;
@JsonProperty("models")
private List<Models> models;
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
public class Models implements Serializable {
@JsonIgnore
private static final long serialVersionUID = 9189184337502771734L;
@JsonProperty("medias")
private List<Medias> medias;
@JsonProperty("code")
private String code;
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
public class Medias implements Serializable {
@JsonIgnore
private static final long serialVersionUID = 136346277159168673L;
@JsonProperty("mediaZones")
private List<MediaZones> mediaZones;
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
public class MediaZones implements Serializable {
@JsonIgnore
private static final long serialVersionUID = 7683892920280290206L;
@JsonProperty("medias")
private List<MediasInner> medias;
@JsonProperty("name")
private String name;
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
public class MediasInner implements Serializable {
@JsonIgnore
private static final long serialVersionUID = 8653771742539974404L;
@JsonProperty("displayOrder")
private int displayOrder ;
@JsonProperty("pixlId")
private String pixlId;
}
}
}
}
}
问题本质为:内部非静态类无法实例化
你需要做两件事:
- 给内部类前面加上static
- 给内部类加上默认构造函数
改过后的内部类像这样:
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
public class PixlIdDto implements Serializable {
@JsonIgnore
private static final long serialVersionUID = -5776690969534186379L;
@JsonProperty("models")
private List<Models> models;
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
@NoArgsConstructor
public static class Models implements Serializable {
@JsonIgnore
private static final long serialVersionUID = 9189184337502771734L;
@JsonProperty("medias")
private List<Medias> medias;
@JsonProperty("code")
private String code;
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
@NoArgsConstructor
public static class Medias implements Serializable {
@JsonIgnore
private static final long serialVersionUID = 136346277159168673L;
@JsonProperty("mediaZones")
private List<MediaZones> mediaZones;
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
@NoArgsConstructor
public static class MediaZones implements Serializable {
@JsonIgnore
private static final long serialVersionUID = 7683892920280290206L;
@JsonProperty("medias")
private List<MediasInner> medias;
@JsonProperty("name")
private String name;
@Data
@JsonIgnoreProperties(ignoreUnknown = true)
@NoArgsConstructor
public static class MediasInner implements Serializable {
@JsonIgnore
private static final long serialVersionUID = 8653771742539974404L;
@JsonProperty("displayOrder")
private int displayOrder;
@JsonProperty("pixlId")
private String pixlId;
}
}
}
}
}
问题完美解决。
版权声明:本文为weixin_40910372原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。