class LocalDateAdapter implements JsonSerializer<LocalDate> {
public JsonElement serialize(LocalDate date, Type typeOfSrc, JsonSerializationContext context) {
return new JsonPrimitive(date.format(DateTimeFormatter.ISO_LOCAL_DATE)); // "yyyy-mm-dd"
}
}
它可以像这样安装：
Gson gson = new GsonBuilder()
.setPrettyPrinting()
.registerTypeAdapter(LocalDate.class, new LocalDateAdapter())
.create();
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