先簡單說一下MP3的ID3 標記,因為主要是操作這個玩意
MP3最開始的時候沒有我們今天看到的那樣,有歌手、年代,專集等等訊息
只有一些簡單的參數如yes/no來表示是不是privated或者copyrighted等信息,這樣對MP3的相關工作帶來了很多不便,1996年的時候有個老外提出來在每個MP3後面追加一段數據,用以存放上述的那些信息,後來就發展成為id3 v1 據我所知的現在已經到1.1了,具體的還是自己去查一下吧
還是老習慣,用metadata引進DLL,以前有文章貼過的,不知道的請自己去查
看程式碼
<!--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...
%>
自己試試看吧