计算两个时间差的函数

'******************************
'||FunctionTimeDiff(sBegin,sEnd)
'||本函数计算两个时间的差，可以不用更改直接使用
'||作者：machinecat2001/10/26
'******************************

'******************************
'注：首先需要判断用户输入的sBegin与sEnd之间的大小
'可以通过DataDiff函数获得两者之间的时间差，不需要进行复杂的时间换算
'******************************

FunctionTimeDiff(sBegin,sEnd)
DimiHourB,iMinuteB,iSecondB,iMiniSecondB
DimiHourE,iMinuteE,iSecondE,iMiniSecondE
DimdTimeB,dTimeE,dTimeDiff
DimiHour,iMinute,iSecond,iMiniSecond

iHourB=clng(Left(sBegin,2))
iMinuteB=clng(Mid(sBegin,4,2))
iSecondB=clng(Mid(sBegin,7,2))
iMiniSecondB=clng(Mid(sBegin,10,4))

iHourE=clng(Left(sEnd,2))
iMinuteE=clng(Mid(sEnd,4,2))
iSecondE=clng(Mid(sEnd,7,2))
iMiniSecondE=clng(Mid(sEnd,10,4))

dTimeB=iHourB*3600+iMinuteB*60+iSecondB+iMiniSecondB/1000
dTimeE=iHourE*3600+iMinuteE*60+iSecondE+iMiniSecondE/1000
dTimeDiff=dTimeE-dTimeB

iHour=Int(dTimeDiff/3600)
dTimeDiff=dTimeDiff-iHour*3600
iMinute=Int(dTimeDiff/60)
dTimeDiff=dTimeDiff-iMinute*60
iSecond=Int(dTimeDiff)
dTimeDiff=dTimeDiff-Int(dTimeDiff)
iMiniSecond=dTimeDiff

TimeDiff=iHour&"小时"&iMinute&"分钟"&iSecond&FormatNumber(iMiniSecond,3)&"秒"
EndFunction