日期:2014-05-18 浏览次数:21984 次
DateTime dt1 = DateTime.Now;
DateTime dt2 = DateTime.Now.AddHours(-3).AddDays(-1);
TimeSpan ts = dt1.Subtract(dt2);
double hours = ts.TotalHours;//27.0
------解决方案--------------------
DateTime a = DateTime.Now;
DateTime b = a.AddHours(5);
int c =(b - a).Hours;