TimeSpan diff2 = dateTime2 - dateTime1; //这样减出来的是天数，小时数，分钟数
if ((diff2.Days > 0) || (diff2.Hours > 0) || (diff2.Minutes > 30))
｛
｝
TimeSpan diff2 = dateTime2 - dateTime1; //这样减出来的是天数，小时数，分钟数
if ((diff2.Days > 0) || (diff2.Hours > 0) || (diff2.Minutes > 30))
｛
｝
2006-06-15 08:47