摘要： 方法1： DateTime a = Convert.ToDateTime(Regex.Replace("20130301", @"^(\d{4})(\d{2})(\d{2})$", "$1-$2-$3", RegexOptions.IgnoreCase));方法2： DateTime c = DateTime.ParseExact("20130301", "yyyyMMdd", null);方法3:var date = '201403051356236'.replace(/(\d 阅读全文