JSON Jackson
遇到 Unrecognized field, not marked as ignorable
在目標 class 增加
@JsonIgnoreProperties(ignoreUnknown = true)
此 annotaion
遇到泛型要轉物件
java=
public static <K, V> Map<K, V> load(String json) throws IOException {
return objectMapper.readValue(json, new TypeReference<Map<K, V>>() {});
}