JS解析MP3获取歌曲信息--ID3 Reader

ID3 Reader 是一款可以在前台或者后台（nodejs）解析MP3曲目信息（前提是含有这些信息）的工具

官方demo 源码下载 全英文文档

用法示例

1，基本用法

//In its simplest form:ID3.loadTags("filename.mp3", function() {    var tags = ID3.getAllTags(filename);    alert(tags.artist + " - " + tags.title + ", " + tags.album);});

2，特殊用法

//by specifying specific tags:ID3.loadTags("filename.mp3", function() {    var tags = ID3.getAllTags(filename);    alert(tags.COMM.data + " - " + tags.TCON.data + ", " + tags.WXXX.data);},{tags: ["COMM", "TCON", "WXXX"]});//or even by specifying shortcuts instead of cryptic tags:ID3.loadTags("filename.mp3", function() {    var tags = ID3.getAllTags(filename);    alert(tags.comment + " - " + tags.track + ", " + tags.lyrics);},{tags: ["comment", "track", "lyrics"]});

3，文档及API

ID3.loadTags(url, cb, [options])//文件路径，回调函数，参数数组url - The URL of the mp3 file to read, this must reside on the same domain (document.domain).//文件必须在同域名下cb - The callback function to invoke when the tags are loaded.//文件加载完毕后执行options - Optional parameters.//参数数组options.tags - The array of tags and/or shortcuts to read from the ID3 block. Default value is: ["title", "artist", "album", "track"]options.dataReader - The function used to create the data reader out of a url. It receives (url, success: callback function that returns the data reader, fail: callback function to inform an error setting up the reader). By default it will be BufferedBinaryAjax.

ID3.getAllTags(url)url - The URL of the mp3 file to read, this must be the same value given to ID3.loadTags().return value - This function will return the following object structure, for IDv1:{    version: "1.1",    title: string,    artist: string,    album: string,    year: string,    comment: string,    track: string,    genre: string}and for ID3v2:{    version: "2..",    major: integer,    revision: integer,    flags: {        unsynchronisation: boolean,        extended_header: boolean,        experimental_indicator: boolean    },    size: integer,    *: {        id: integer,        size: integer,        description: string,        data:     },    *: pointer to .data}

Currently supported frames:APIC/PIC: Attached pictureCOMM/COM: CommentsPCNT/CNT: Play counterT*: Text framesUSLT/ULT: Unsychronized lyric/text transcriptionShortcuts:title: TIT2/TT2artist: TPE1/TP1album: TALB/TALyear: TYER/TYEcomment: COMM/COMtrack: TRCK/TRKgenre: TCON/TCOpicture: APIC/PIClyrics: USLT/ULT

备注：留待再更新编辑

关键字：JavaScript, id3

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