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用ASP实现对MP3曲目信息的操作

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<!--METADATA TYPE="typelib"
UUID="00000205-0000-0010-8000-00AA006D2EA4"
NAME="ADODB Type Library"
-->

<%
Function ConvertBin(Binary)
\'This function converts a binary byte into an ASCII byte.
for i = 1 to LenB(Binary)
strChar = chr(AscB(MidB(Binary,i,1)))
ConvertBin = ConvertBin & strChar
Next
End Function

dim objStream
dim strTag, strSongName, strArtist, strAlbum, strYear, _
strComment, strGenre, strFile

\'Specify the folder to iterate through, displaying all the MP3s
Const folder = "C:mp3s"

\'Grab the folder information

Dim objFSO, objFolder, objFile
Set objFSO = Server.CreateObject("Scripting.FileSYstemObject")
Set objFolder = objFSO.GetFolder(folder)

\'Create the Stream object
set objStream = Server.CreateObject("ADODB.Stream")
objStream.Type = adTypeBinary

\'Loop through the files in the folder
For Each objFile in objFolder.Files
\'Open the stream
objStream.Open
objStream.LoadFromFile objFile.Path

\'Read the last 128 bytes
objStream.Position = objStream.size - 128

\'Read the ID3 v1 tag info
strTag = ConvertBin(objStream.Read(3))
if ucase(strTag) = "TAG" then
strSongName = ConvertBin(objStream.Read(30))
strArtist = ConvertBin(objStream.Read(30))
strAlbum = ConvertBin(objStream.Read(30))
strYear = ConvertBin(objStream.Read(4))
strComment = ConvertBin(objStream.Read(30))
end if

\'Display the results
response.write "<table><tr><td colspan=2><h3>" & _
"ID3 Tag info for:</td></tr><tr>" & _
"<td colspan=2>" & objFile.Name & "</td></tr>"
response.write "<tr><td><b>Artist: </b></td>" & _
"<td>" & strArtist & "</td></tr>"
response.write "<tr><td><b>Track: </b></td>" & _
"<td>" & strSongName & "</td></tr>"
response.write "<tr><td><b>Album: </b></td>" & _
<td>" & strAlbum & "</td></tr>"
response.write "<tr><td><b>Year: </b></td>" & _
"<td>" & strYear & "</td></tr>"
response.write "<tr><td><b>Comment: </b>" & _
"</td><td>" & strComment & "</td></tr>"
response.write "</table>"

objStream.Close

Response.Write "<p><hr><p>"
Next

Set objStream = Nothing \'Clean up...
%>
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