如何计算下载一个文件需要多长时间?

    <%
    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)
    准确地说,1年=365.25.
    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
      strDownloadTime = strDownloadTime & intYears & “
    ” & AppendString & “, “
    End If
    If intWeeks <> 0 Then
      strDownloadTime = strDownloadTime & intWeeks & “
    ” & AppendString & “, “
    End If
    If intDays <> 0 Then
      strDownloadTime = strDownloadTime & intDays & “
    ” & AppendString & “, “
    End If
    If intHours <> 0 Then
      strDownloadTime = strDownloadTime & intHours & “
    小时” & AppendString & “, “
    End If
    If intMinutes <> 0 Then
      strDownloadTime = strDownloadTime & intMinutes & “
    ” & AppendString
    End If
    If ((intYears = 0) And (intWeeks = 0) And (intDays = 0) And (intHours = 0)) Then
      If intMinutes > 0 Then
      strDownloadTime = strDownloadTime  & “, ” & intSeconds & “
    ” & AppendString
      Else
      strDownloadTime = strDownloadTime & intSeconds & “
    ” & AppendString
      End If
    End If
    DownloadTime = strDownloadTime
    End Function
    %>
    <html>
    <body>
    撼雪喷云提示:您下载这个文件一共花费了<%=DownloadTime(123456,Cable)%>.
    </body></html>

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