Gson序列化和反序列化時間LocalDateTime

/**
     * 生成一個Gson 對象
     *
     * @return
     */
    public static Gson newGsonInstance() {
        //對localdate 和 localdatetime 的處理 做格式化處理（兼容老核心的string 類型）
        return new GsonBuilder()
        .registerTypeAdapter(LocalDateTime.class, (JsonSerializer<LocalDateTime>) (src, typeOfSrc, context) -> new JsonPrimitive(src.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"))))
        .registerTypeAdapter(LocalDate.class, (JsonSerializer<LocalDate>) (src, typeOfSrc, context) -> new JsonPrimitive(src.format(DateTimeFormatter.ofPattern("yyyy-MM-dd"))))
        .registerTypeAdapter(LocalDateTime.class, (JsonDeserializer<LocalDateTime>) (json, type, jsonDeserializationContext) -> {
            String datetime = json.getAsJsonPrimitive().getAsString();
            return LocalDateTime.parse(datetime, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
        }).registerTypeAdapter(LocalDate.class, (JsonDeserializer<LocalDate>) (json, type, jsonDeserializationContext) -> {
            String datetime = json.getAsJsonPrimitive().getAsString();
            return LocalDate.parse(datetime, DateTimeFormatter.ofPattern("yyyy-MM-dd"));
        }).create();
    }