摘要:
select dateadd(dd,num,@begintime) FROM (SELECT ROW_NUMBER() OVER (ORDER BY ID)-1 AS num FROM sysobjects) KK where dateadd(dd,num,@begintime) <=@endtim 阅读全文
摘要:
List<T,T>的排序: List<T>的排序: 倒排 正排 阅读全文
摘要:
string t1 = "2019-1-1 00:00:00";string t2 = "2019-1-2 18:00:00";DateTime t11 = DateTime.Parse(t1);DateTime t22 = DateTime.Parse(t2); 时间相差多少: Double sp 阅读全文