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VB获取文件大小的方法

2015-06-25 10:15 1711 查看

本文实例讲述了VB获取文件大小的方法。分享给大家供大家参考。具体实现方法如下:

<%
' Copyright (c) 2009, reusablecode.blogspot.com; some rights reserved.
'
' This work is licensed under the Creative Commons Attribution License. To view
' send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California
' 94305, USA.
' Retrieve the file size of a given file.
function getFileSize(someFile)
dim fs
dim file
set fs = Server.CreateObject("Scripting.FileSystemObject")
set file = fs.GetFile(Server.MapPath(someFile))
getFileSize = FormatFileSize(file.size)
set file = nothing
set fs = nothing
end function
' Format a file size in the most practical units.
' Input: size in bytes
function FormatFileSize(size)
dim units
dim factor
units = Array("B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
factor = log(size) \ 7
FormatFileSize = Round(size / (1024 ^ factor), 2) & units(factor)
end function
%>

希望本文所述对大家的VB程序设计有所帮助。

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