netease-music-playlist-exporter.js

/**
 * 用网易云音乐的歌单创建 macOS(iOS) Music(本地音乐文件，非 Apple Music) 的播放列表
 *
 * 1. 打开网易云音乐歌单网页版，打开控制台
 * 2. 运行下面代码
 * 3. run('歌单名', '音乐文件夹绝对路径')
 *    或者替换 MUSIC_DIR 然后直接运行 run()
 *
 * 4. 下载音乐文件到自定义目录，打开 Music 导入播放列表
 *    音乐文件需以 `歌手名 - 歌曲名.mp3` 格式命名
 *
 * created by keng42 @2020-04-11 13:19:50
 */

const MUSIC_DIR = 'macOS/Users/keng42/Music/FreeMusic/';

function download(content, filename) {
  // 创建隐藏的可下载链接
  const eleLink = document.createElement('a');
  eleLink.download = filename;
  eleLink.target = '_blank';
  eleLink.style.display = 'none';
  // 字符内容转变成blob地址
  const blob = new Blob([content]);
  eleLink.href = URL.createObjectURL(blob);
  // 触发点击
  document.body.appendChild(eleLink);
  eleLink.click();
  // 然后移除
  document.body.removeChild(eleLink);
}

function run(playlist, musicDir = MUSIC_DIR) {
  const frame = document.getElementById('g_iframe').contentWindow.document;

  if (!playlist) {
    playlist =
      (
        frame.querySelector('.f-ff2.f-thide') ||
        frame.querySelector('.f-ff2.f-brk') ||
        {}
      ).innerText || 'playlist';
  }

  // 移除表单中乱七八糟的字符
  const soils = frame.querySelectorAll('.soil');
  soils.forEach((item) => {
    item.innerText = '';
  });
  const mvs = frame.querySelectorAll('.mv');
  mvs.forEach((item) => {
    item.innerText = '';
  });

  const trs = frame.querySelectorAll('tbody>tr');
  const songs = [];
  trs.forEach((item) => {
    const name = item.children[1].innerText
      .split('\n')
      .join('')
      .split(' ') // 这东西不是空格
      .join(' ');
    const artist = item.children[3].innerText
      .split('\n')
      .join('')
      .split(' ')
      .join(' ');
    const album = item.children[4].innerText
      .split('\n')
      .join('')
      .split(' ')
      .join(' ');
    if (name && artist) {
      songs.push({ name, artist, album });
    }
  });

  const header =
    'Name\tArtist\tComposer\tAlbum\tGrouping\tWork\tMovement Number\tMovement Count\tMovement Name\tGenre\tSize\tTime\tDisc Number\tDisc Count\tTrack Number\tTrack Count\tYear\tDate Modified\tDate Added\tBit Rate\tSample Rate\tVolume Adjustment\tKind\tEqualizer\tComments\tPlays\tLast Played\tSkips\tLast Skipped\tMy Rating\tLocation';
  const template =
    'T_NAME\tT_ARTIST\t\tT_ALBUM\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tT_FILEPATH';
  const playlistStr = songs
    .map((item) => {
      return template
        .replace('T_NAME', item.name)
        .replace('T_ARTIST', item.artist)
        .replace('T_ALBUM', item.album)
        .replace('T_FILEPATH', `${musicDir}${item.artist} - ${item.name}.mp3`);
    })
    .join('\n');

  const content = `${header}\n${playlistStr}\n`;

  download(content, playlist);

  return `歌曲数量：${songs.length}`;
}

run();