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ASP如何計算檔案下載需要的時間

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ASP如何計算檔案下載需要的時間

<%
Function DownloadTime(intFileSize, strModemType)
Dim TimeInSeconds, ModemSpeed, strDownloadTime, AppendString
Dim intYears, intWeeks, intDays
Dim intHours, intMinutes, intSeconds
intYears = 0
intWeeks = 0
intDays = 0
intHours = 0
intMinutes = 0
intSeconds = 0
strDownloadTime = ""
Select Case strModemType
Case "Cable"
ModemSpeed = 400000
Case "56kbps"
ModemSpeed = 7000
Case "33.6kbps"
ModemSpeed = 4200
Case "28.8kbps"
ModemSpeed = 3600
End Select
TimeInSeconds = int(intFileSize / ModemSpeed)
'year maths added 1/4 of a day. 1 exact orbit of the sub is 365.25 days.
If (Int(TimeInSeconds / 31471200) <> 0) Then intYears = Int(TimeInSeconds / 31449600)
If ((Int(TimeInSeconds / 604800) Mod 52) <> 0) Then intWeeks = Int(TimeInSeconds / 604800) Mod 52
If ((Int(TimeInSeconds / 86400) Mod 7) <> 0) Then intDays = Int(TimeInSeconds / 86400) Mod 7
If TimeInSeconds >= 3600 Then intHours = Int(TimeInSeconds / 3600) Mod 24
If TimeInSeconds >= 60 Then intMinutes = Int(TimeInSeconds / 60) Mod 60
If TimeInSeconds >= 0 Then intSeconds = Int(TimeInSeconds) Mod 60
If intYears <> 0 Then
If intYears = 1 Then AppendString = "" Else AppendString = "s"
strDownloadTime = strDownloadTime & intYears & " year" & AppendString & ", "
End If
If intWeeks <> 0 Then
If intWeeks = 1 Then AppendString = "" Else AppendString = "s"
strDownloadTime = strDownloadTime & intWeeks & " week" & AppendString & ", "
End If
If intDays <> 0 Then
If intDays = 1 Then AppendString = "" Else AppendString = "s"
strDownloadTime = strDownloadTime & intDays & " day" & AppendString & ", "
End If
If intHours <> 0 Then
If intHours = 1 Then AppendString = "" Else AppendString = "s"
strDownloadTime = strDownloadTime & intHours & " hour" & AppendString & ", "
End If
If intMinutes <> 0 Then
If intMinutes = 1 Then AppendString = "" Else AppendString = "s"
strDownloadTime = strDownloadTime & intMinutes & " minute" & AppendString
End If
If ((intYears = 0) And (intWeeks = 0) And (intDays = 0) And (intHours = 0)) Then
If intSeconds = 1 Then AppendString = "" Else AppendString = "s"
If intMinutes > 0 Then
strDownloadTime = strDownloadTime & ", " & intSeconds & " second" & AppendString
Else
strDownloadTime = strDownloadTime & intSeconds & " second" & AppendString
End If
End If
DownloadTime = strDownloadTime
End Function
%>
<html>
<body>
It is going to take about
<%=DownloadTime(123456,Cable)%> to download this file.
</body>
</html>



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