JAVA 获取ID3V1里的数据

原创已于 2024-10-13 19:42:31 修改 · 337 阅读

3 ·

CC 4.0 BY-SA版权

文章标签：

#java #开发语言

于 2024-10-13 14:40:06 首次发布

//使用流打开的时候要注意，我们需要的是最后128字节的信息
public static void getID3V1(File file) throws IOException {
    byte[] bytes = new byte[128];
    try (RandomAccessFile raf = new RandomAccessFile(file, "r")) {
        //移动到最后128字节的位置
        raf.seek(raf.length() - 128);
        raf.read(bytes);
        if ("TAG".equals(new String(bytes, 0, 3))) {
            String temp;
            temp = new String(bytes, 3, 30, "GBK").trim();
            Log.d("getID3V2", "歌名" + temp);
            temp = new String(bytes, 33, 30, "GBK").trim();
            Log.d("getID3V2", "歌手" + temp);
            temp = new String(bytes, 63, 30, "GBK").trim();
            Log.d("getID3V2", "专辑" + temp);
            temp = new String(bytes, 93, 4, "GBK").trim();
            Log.d("getID3V2", "年份" + temp);
        } else {
            Log.d("getID3V2", "TIT2" + file.getName());
            Log.d("getID3V2", "TPE1" + "未知");
            Log.d("getID3V2", "专辑" + "未知");
            Log.d("getID3V2", "年份" + "未知");
        }
    }
}