掌握Jackson：构建可动态适应任意JSON键的POJO

{
    "EU": [
        {
            "calId": "EU",
            "calDate": "2022-11-01",
            "prevBusinessDay": "2022-11-01",
            "nextBusinessDay": "2022-11-01",
            "businessDay": true,
            "monthEndBusinessDay": false
        }
    ],
    "AU": [
        {
            "calId": "AU",
            "calDate": "2022-11-01",
            "prevBusinessDay": "2022-11-01",
            "nextBusinessDay": "2022-11-01",
            "businessDay": true,
            "monthEndBusinessDay": false
        }
    ]
}

@Data
@AllArgsConstructor
@NoArgsConstructor
public class StaticIndexCalendarDateResponseBean {
    @JsonProperty("EU")
    private List<IndexCalendarDateResponseWrapper> EU;

    @JsonProperty("AU")
    private List<IndexCalendarDateResponseWrapper> AU;
    // ... 如果有更多动态键，需要不断添加字段，不具备扩展性
}

import com.fasterxml.jackson.annotation.JsonAnyGetter;
import com.fasterxml.jackson.annotation.JsonAnySetter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class DynamicIndexCalendarDateResponseBean {
    private Map<String, List<IndexCalendarDateResponseWrapper>> responseWrappers = new HashMap<>();

    // ... 后续添加 @JsonAnySetter 和 @JsonAnyGetter 方法
}

    @JsonAnySetter
    public void readResponseWrappers(String key, List<IndexCalendarDateResponseWrapper> value) {
        responseWrappers.put(key, value);
    }

    @JsonAnyGetter
    public Map<String, List<IndexCalendarDateResponseWrapper>> writeResponseWrappers() {
        return responseWrappers;
    }

import com.fasterxml.jackson.annotation.JsonAnyGetter;
import com.