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一款 支持从百度、网易、qq、酷狗、咪咕等音乐网站搜索并下载歌曲的程序,支持下载无损音乐

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XMusicDownloader

XMusicDownloader,一款 支持从百度、网易、qq和酷狗、咪咕音乐等音乐网站搜索并下载歌曲的程序。

开源音乐下载神器XMusicDownloader更新啦,新增网易、腾讯音乐歌单歌曲、歌手歌曲、专辑歌曲一键下载,同时支持下载flac无损音乐。

功能

V1.0 功能开源工具软件XMusicDownloader——音乐下载神器

  • 聚合搜索多家音乐网站
  • 支持音乐批量下载
  • 搜索结果综合排序
  • 可以编写Provider程序,支持其他音乐网站

V1.1 新增功能支持歌单、专辑、歌手歌曲下载,支持无损下载

  • 支持歌单、专辑、歌手歌曲下载(腾讯、网易)
  • 支持flac无损、320,128 码率下载

V1.1截图

关联软件

网易云音乐歌单收费歌曲补全工具

界面

原理以及使用方法见: https://www.cnblogs.com/xiaoqi/p/music163tool.html

扩展功能说明

主要是调用了一个第三方接口实现歌单、歌手和专辑歌曲读取,以及获取真实下载地址。

扩展provider接口,增加获取歌曲列表接口

增加Support接口判断url地址是否是歌单地址,增加GetSongList用于获取歌单的歌曲列表,增加getDownloadUrl(string id, string rate)获取歌曲下载地址。

public interface IMusicProvider
    {
        string Name { get; }

        string getDownloadUrl(Song song);
        List<Song> SearchSongs(string keyword, int page, int pageSize);

        // 歌单
        bool Support(string url);
        List<Song> GetSongList(string url);
        /// <summary>
        /// 获取下载地址
        /// </summary>
        /// <param name="id">歌曲id</param>
        /// <param name="rate">码率,音质 如果最大音质获取出错则自动转其他音质	</param>
        /// <returns>歌曲下载地址</returns>
        string getDownloadUrl(string id, string rate);
    }

实现provider

以QQ为例:

先判断是否是支持的url,主要是判断是否符合歌单、专辑、歌手的url格式。

        // 歌单: https://y.qq.com/n/yqq/playsquare/6924336223.html#stat=y_new.playlist.dissname
        // 专辑 https://y.qq.com/n/yqq/album/00153q8l2vldMz.html
        // 歌手 https://y.qq.com/n/yqq/singer/000CK5xN3yZDJt.html

        Regex regex = new Regex("\\/(\\w+).html");
        public bool Support(string url)
        {
            if (url == null)
            {
                return false;
            }

            if (!regex.IsMatch(url))
            {
                return false;
            }

            return url.StartsWith("https://y.qq.com/n/yqq/playsquare") || url.StartsWith("https://y.qq.com/n/yqq/album") || url.StartsWith("https://y.qq.com/n/yqq/singer");
        } 

然后调用itooi.cn的api获取歌曲

  • 歌单接口 https://v1.itooi.cn/tencent/songList?id=
  • 歌手歌曲接口 https://v1.itooi.cn/tencent/song/artist?id=
  • 专辑歌曲接口 https://v1.itooi.cn/tencent/album?id=
 public List<Song> GetSongList(string url)
        {
            var isSongList = url.StartsWith("https://y.qq.com/n/yqq/playsquare");

            var id = regex.Match(url).Groups[1].Value;

            var result = new List<Song>();

            if (isSongList)
            {
                GetSongListDetail(id, result);
            }
            else if (url.StartsWith("https://y.qq.com/n/yqq/albu"))
            {
                GetAlbum(id, result);
            }
            else
            {
                GetSingerSong(id, result);
            }


            return result;

        }

        private void GetSongListDetail(string id, List<Song> result)
        {
            var requestUrl = "https://v1.itooi.cn/tencent/songList?id=" + id;
            var searchResult = HttpHelper.GET(requestUrl, DEFAULT_CONFIG);

            var songList = JObject.Parse(searchResult)["data"][0]["songlist"];
            var index = 1;

            foreach (var songItem in songList)
            {
                var song = new Song
                {
                    id = (string)songItem["songmid"],
                    name = (string)songItem["title"],
                    album = (string)songItem["album"]["name"],
                    rate = 320,
                    index = index++,
                    size = (double)songItem["file"]["size_320mp3"],
                    source = Name,
                    //singer = (string)songItem["author"],
                    duration = (double)songItem["interval"]
                };
                if (song.size == 0d)
                {
                    song.size = (double)songItem["file"]["size_128mp3"];
                    song.rate = 128;
                }
                song.singer = "";
                foreach (var ar in songItem["singer"])
                {
                    song.singer += ar["name"] + " ";
                }
                result.Add(song);

            }
        }

最后获取下载地址,接口地址是https://v1.itooi.cn/tencent/url?id=${id}&quality=[128,320,flac]

 public string getDownloadUrl(string id, string rate)
        {
            return HttpHelper.DetectLocationUrl("https://v1.itooi.cn/tencent/url?id=" + id + "&quality=" + rate, DEFAULT_CONFIG);
        }

这里要检测下真实url,递归检测302跳转:

 public static string DetectLocationUrl(string url, HttpConfig config)
        {
            if (config == null) config = new HttpConfig();
            using (HttpWebResponse response = GetResponse(url, "GET", null, config))
            {
                string detectUrl =  response.GetResponseHeader("Location");
                if(detectUrl.Length == 0)
                {
                    return url;
                }
                // 递归获取
                return DetectLocationUrl(detectUrl, config);
            }
        }

缘起:

一直用网易音乐听歌,但是诸如李健、周杰伦的不少歌曲,网易都没有版权,要从QQ等音乐去下载,因此一直想写一个小程序,可以从其他音乐网站下载相关歌曲,趁放假,花了几小时做了这样一个程序。

BTW: 之前写过一个从酷狗和网易音乐提取缓存文件的程序,感兴趣的可以查看。

功能

  • 聚合搜索多家音乐网站
  • 支持音乐批量下载
  • 搜索结果综合排序
  • 可以编写Provider程序,支持其他音乐网站

实现IMusicProvider即可,主要是搜索和获取下载链接的方法。

    public interface IMusicProvider
    {
        string Name { get; }

        string getDownloadUrl(Song song);
        List<Song> SearchSongs(string keyword, int page, int pageSize);
    }

界面截图

预览

下载程序

https://github.com/jadepeng/XMusicDownloader/releases

实现方案介绍

定义song实体

public class Song
    {
        public string id { get; set; }
        public string name { get; set; }
        public string singer { get; set; }
        public string album { get; set; }
        public string source { get; set; }
        public double duration { get; set; }
        public double size { get; set; }
        public string url { get; set; }
        public int rate { get; set; }
        public int index { get; set; }

        public string getFileName()
        {
            return singer + "-" + name + ".mp3";
        }

        public string getMergedKey()
        {
            return singer.Replace(" ", "") + name.Replace(" ", "");
        }
    }

封装各个音乐网站

抽象为MusicProvider,音乐提供方:),定义Name为名称,SearchSongs搜索歌曲,getDownloadUrl获取音乐下载地址。

    public interface IMusicProvider
    {
        string Name { get; }

        string getDownloadUrl(Song song);
        List<Song> SearchSongs(string keyword, int page, int pageSize);
    }

然后就是依次实现百度、网易等音乐网站,以QQ为例。

 public class QQProvider : IMusicProvider
    {
        static HttpConfig DEFAULT_CONFIG = new HttpConfig
        {
            Referer = "http://m.y.qq.com",

        };

        public string Name { get; } = "QQ";

        static string[] prefixes = new string[] { "M800", "M500", "C400" };

        public List<Song> SearchSongs(string keyword,int page,int pageSize)
        {
            var searchResult = HttpHelper.GET(string.Format("http://c.y.qq.com/soso/fcgi-bin/search_for_qq_cp?w={0}&format=json&p={1}&n={2}", keyword, page,pageSize), DEFAULT_CONFIG);
            var searchResultJson = JsonParser.Deserialize(searchResult).data.song;
            var result = new List<Song>();

            var index = 1;
            foreach(var songItem in searchResultJson.list)
            {
                var song = new Song
                {
                    id = songItem["songmid"],
                    name = songItem["songname"],
                    album = songItem["albumname"],
                    rate = 128,
                    size = songItem["size128"],
                    source = Name,
                    index = index++,
                    duration = songItem["interval"]
                };
                song.singer = "";
                foreach (var ar in songItem["singer"])
                {
                    song.singer += ar["name"] + " ";
                }
                result.Add(song);
            }

            return result;

        }

        public string getDownloadUrl(Song song)
        {
            var guid = new Random().Next(1000000000, 2000000000);

            var key = JsonParser.Deserialize(HttpHelper.GET(string.Format("http://base.music.qq.com/fcgi-bin/fcg_musicexpress.fcg?guid={0}&format=json&json=3",guid), DEFAULT_CONFIG)).key;
            foreach(var prefix in prefixes)
            {
               
                var musicUrl = string.Format("http://dl.stream.qqmusic.qq.com/{0}{1}.mp3?vkey={2}&guid={3}&fromtag=1", prefix, song.id, key, guid);
                if (HttpHelper.GetUrlContentLength(musicUrl) > 0)
                {
                    return musicUrl;
                }
            }

            return null;

        }
    
    }
  • 搜索调用http://c.y.qq.com/soso/fcgi-bin/search_for_qq_cp?w={0}&format=json&p={1}&n={2}接口,获取下载地址调用http://base.music.qq.com/fcgi-bin/fcg_musicexpress.fcg?guid={0}&format=json&json=3,然后再组合。

聚合搜索

设计一个MusicProviders,加载所有的IMusicProvider,提供一个SearchSongs方法,并发调用各个网站的搜索,然后merge到一起。

  public List<MergedSong> SearchSongs(string keyword, int page, int pageSize)
        {
            var songs = new List<Song>();
            Providers.AsParallel().ForAll(provider =>
            {
                var currentSongs = provider.SearchSongs(keyword, page, pageSize);
                songs.AddRange(currentSongs);
            });

            // merge

            return songs.GroupBy(s => s.getMergedKey()).Select(g => new MergedSong(g.ToList())).OrderByDescending(s => s.score).ToList();
        }

关于merge,核心就是将相同的歌曲合并到一起,我们暂且认为歌手+歌曲名相同的为同一首歌曲:

   public string getMergedKey()
        {
            return singer.Replace(" ", "") + name.Replace(" ", "");
        }
		

因此按megekey分组,就能实现聚合。我们设计一个MergedSong来包裹。

public class MergedSong
    {
        public List<Song> items
        {
            get; set;
        }

        public MergedSong(List<Song> items)
        {
            this.items = items;
        }

        public string name
        {
            get
            {
                return this.items[0].name;
            }
        }
        public string singer
        {
            get
            {
                return this.items[0].singer;
            }
        }
        public string album
        {
            get
            {
                return this.items[0].album;
            }
        }

        public string source
        {
            get
            {
                return string.Join(",", this.items.Select(i => i.source).ToArray());
            }
        }


        public double duration
        {
            get
            {
                return this.items[0].duration;
            }
        }

        public double size
        {
            get
            {
                return this.items[0].size;
            }
        }

        public double rate
        {
            get
            {
                return this.items[0].rate;
            }
        }


        public double score
        {
            get
            {
                // 投票+排序加权  (各50%)
                return this.items.Count / (MusicProviders.Instance.Providers.Count - 1) + (20 - this.items.Average(i => i.index)) / 20;
            }
        }

    }

MergedSong的核心是定义了一个score,我们通过投票+搜索结果排序,用来决定合并结果的排序。

下载

下载主要是通过provider获取真实url,然后下载即可。

public class SongItemDownloader
    {
        MusicProviders musicProviders;
        string target;
        MergedSong song;

        public event DownloadFinishEvent DownloadFinish;

        public SongItemDownloader(MusicProviders musicProviders, string target, MergedSong song)
        {
            this.musicProviders = musicProviders;
            this.target = target;
            this.song = song;
        }

        public long totalBytes;

        public long bytesReceived;

        public double ReceiveProgress;


        public double receiveSpeed;

        DateTime lastTime = DateTime.Now;

        public void Download()
        {
            WebClient client = new WebClient();
            client.DownloadProgressChanged += Client_DownloadProgressChanged;
            new Thread(() =>
            {
                // 多来源,防止单个来源出错
                foreach (var item in song.items)
                {
                    try
                    {
                        client.DownloadFile(musicProviders.getDownloadUrl(item), target + "\\" + item.getFileName());
                        DownloadFinish?.Invoke(this, this);
                        break;

                    }
                    catch
                    {
                    }
                }

            }).Start();
        }

        private void Client_DownloadProgressChanged(object sender, DownloadEventArgs e)
        {
            this.bytesReceived = e.bytesReceived;
            this.totalBytes = e.totalBytes;
            this.receiveSpeed = e.receiveSpeed;
            this.ReceiveProgress = e.ReceiveProgress;
        }
    }

参考

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一款 支持从百度、网易、qq、酷狗、咪咕等音乐网站搜索并下载歌曲的程序,支持下载无损音乐

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