java歌词分割

 @RequestMapping(value = "selectLyric")
    @ResponseBody
    public List<Map<String ,String>> selectLyric(Integer mId,HttpServletRequest request) throws IOException {

        String encoding = "utf-8";

        log.info("进入音乐控制器 的 selectById 方法");

        log.info("入参  mId；{}",mId);

        List<Map<String ,String>> list = new ArrayList<>();

        CloudmusicWithBLOBs cloudmusicWithBLOBs = service.selectById(mId);

        String lyricPath = cloudmusicWithBLOBs.getMLyric();

        byte[] data = null;


//这里之后才是重点lrc格式歌词，酷狗下载的版本，
        try {
            File file = new File(lyricPath);

            FileInputStream fis = new FileInputStream(file);

            ByteArrayOutputStream bos = new ByteArrayOutputStream(1000);

            byte[] b = new byte[1000];

            int n;

            while ((n = fis.read(b)) != -1) {

                bos.write(b, 0, n);

            }
            fis.close();
            bos.close();
            data = bos.toByteArray();

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        String lyricString = new String(data);
        if(lyricString != null && !"".equals(lyricString)){

            //分割歌词
            String lyric[] = lyricString.split("\\r");
            String regex = "\\[(\\d{1,2}):(\\d{1,2}).(\\d{1,2})\\]"; // 正则表达式
            Pattern pattern = Pattern.compile(regex); // 创建 Pattern 对象
            Map<String ,String> map = new HashMap<>();
            for (String s : lyric) {
                Matcher matcher = pattern.matcher(s);
                while (matcher.find()) {
                    // [02:34.94] ----对应---> [分钟:秒.毫秒]
                    String min = matcher.group(1); // 分钟
                    String sec = matcher.group(2); // 秒
                    String mill = matcher.group(3); // 毫秒，注意这里其实还要乘以10
                    String time = getStringTime(min, sec, mill + "0");
                    // 获取当前时间的歌词信息
                    String text = s.substring(matcher.end());
                    map.put(time, text); // 添加到容器中
                }
            }
            list.add(map);
        }
        log.info("出参  list：{}",list);
        return list;
    }

 private String getStringTime(String min, String sec, String mill) {
        // 转成整型
        int m = Integer.parseInt(min);
        int s = Integer.parseInt(sec);
        int ms = Integer.parseInt(mill);

        if (s >= 60) {
            System.out.println("警告: 出现一个时间不正确的项 --> [" + min + ":" + sec + "." + mill.substring(0, 2) + "]");
        }
        // 组合成一个长整型表示的以毫秒为单位的时间
        String time = m * 60 * 1000 + s * 1000 + ms + "";

        return time;
    }