| ▲/*******************...... /********************************************* ** File: fnSumOfTwoTime.sql ** Name: fnSumOfTwoTime ** Description: 把两个以“小时:分钟:秒钟”的时间相加求和 输入参数必须以24小时格式来表示且不能为“24:00:00” ** Return values: varchar(20) ** Parameters: @dtmStart,@dtmEnd ** Author: 何毅翔(MyGodness) ** Date: 2005-4-6 ** Use method: select dbo.fnSumOfTwoTime('9:00:00','13:15:22') ***********************************************/ Create function fnSumOfTwoTime(@a varchar(8),@b varchar(8)) returns varchar(20) As Begin declare @sum datetime select @sum=convert(datetime,@a)+convert(datetime,@b) return cast(cast(day(@sum)-1 as int)*24+DATEPART(hh,@sum) as varchar)+':'+cast(DATEPART(n,@sum) as varchar)+':'+cast(DATEPART(s,@sum) as varchar) End |
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