C# 字符串 与 DateTime的转换

 

            string time = "110018";//时间字符串
            string span = "53";
            int span2 = 530;
           
            DateTime dt1 = DateTime.ParseExact(time, "HHmmss", null);
            DateTime dt2 = DateTime.ParseExact(span, "mm", null);
            TimeSpan sp1 = new TimeSpan(0, span2, 0);

            DateTime dt3 = dt1 + sp1;