VB获取文件大小的方法
<p>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：</p><div class="jb51code">
<pre class="brush:vb;">
<%
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'
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' 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
%>
</pre>
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<p>希望本文所述对大家的VB程序设计有所帮助。</p>
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