DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss");//12小时 DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");//24小时 相关文章: 2021-07-20 2022-02-21 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-01-20 2021-08-15