3hutool实战:DateUtil获取日期的各种内容

https://xiaoxuzhu.blog.csdn.net/article/details/117305070?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1.pc_relevant_default&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1.pc_relevant_default&utm_relevant_index=2

JSONArray  转java对象

List<ErpAluFuturesMarket> list = null;
ObjectMapper objm = new ObjectMapper();
JavaType javaType = objm.getTypeFactory().constructParametricType(List.class, ErpAluFuturesMarket.class);
try {
    list = (List<ErpAluFuturesMarket>) objm.readValue(jsonArray.toString(), javaType);
    logger.info("JSONArray转java List 对象=" + list);
} catch (Exception e) {
    logger.error("JSONArray转java对象出异常！");
    e.printStackTrace();
}

if (list == null || ArrayUtil.isAllEmpty(list)) {
    return AjaxResult.error("JSONArray转java对象出异常！");
}