/// <summary>
/// 创建音乐获取URL
/// </summary>
/// <param name="info">音乐搜索信息</param>
/// <returns>URL</returns>
public string CreateMusicUrl(SearchMusicInfo info)
{
try
{
string baiduQuickUrl = "http://box.zhangmen.baidu.com/x?op=12&count=1&title={0}$${1}$$$$";
return string.Format(baiduQuickUrl, new object[] { info.MusicName, info.SingerName });
}
catch
{
return string.Empty;
}
}
/// <summary>
/// 创建音乐获取URL
/// </summary>
/// <param name="info">音乐搜索信息</param>
/// <returns>URL</returns>
public string CreateMusicUrl(SearchMusicInfo info)
{
try
{
string baiduUrl = "http://mp3.baidu.com/m?f=ms&rf=idx&tn=baidump3&ct=134217728&lf=&rn=&word={0}&lm={1}";
return string.Format(baiduUrl, new object[] { info.MusicName + CommonSymbol.SYMBOL_SPACE + info.SingerName, info.MusicFormat.ToString("D") });
}
catch
{
return string.Empty;
}
}
/// <summary>
/// 创建所有歌词获取地址
/// </summary>
/// <param name="info">歌词搜索信息</param>
/// <returns></returns>
public string CreateAllLrcUrl(SearchMusicInfo info)
{
try
{
//千千静听歌词搜索列表地址
string TTLrcUrl = "http://ttlrcct2.qianqian.com/dll/lyricsvr.dll?sh?Artist={0}&Title={1}";
return string.Format(TTLrcUrl, new object[] { EncodeConverter.ToHexString(info.SingerName), EncodeConverter.ToHexString(info.MusicName) });
}
catch(Exception ex)
{
Console.WriteLine(ex.StackTrace.ToString());
return string.Empty;
}
}
/// <summary>
/// 创建音乐获取URL
/// </summary>
/// <param name="info">音乐搜索信息</param>
/// <returns>URL</returns>
public string CreateMusicUrl(SearchMusicInfo info)
{
try
{
int ntype = 0;//ALL
switch (info.MusicFormat)
{
case SearchMusicFormat.MP3:
ntype = 1;
break;
case SearchMusicFormat.WMA:
ntype = 2;
break;
}
string sosoUrl = "http://cgi.music.soso.com/fcgi-bin/m.q?w={0}&p=1&t={1}";
return string.Format(sosoUrl, new object[] { info.MusicName + CommonSymbol.SYMBOL_SPACE + info.SingerName, ntype.ToString() });
}
catch
{
return string.Empty;
}
}
/// <summary>
/// 搜索歌词列表方法
/// </summary>
/// <param name="info">搜索信息</param>
/// <returns>歌词列表</returns>
public List<MusicLrcInfo> SearchL(SearchMusicInfo info)
{
Crawler crawler = new Crawler();
List<MusicLrcInfo> lstMusic = new List<MusicLrcInfo>();
foreach (var item in mcc.LRCSearcher)
{
//根据加载的插件所提供的方法，获取歌词信息
lstMusic.AddRange(crawler.GetMusicLrcList(info, item));
}
return lstMusic;
}
/// <summary>
/// 搜索歌曲方法
/// </summary>
/// <param name="info">搜索信息</param>
/// <returns>歌曲列表</returns>
public List<MusicInfo> SearchM(SearchMusicInfo info)
{
Crawler crawler = new Crawler();
List<MusicInfo> lstMusic = new List<MusicInfo>();
// 遍历插件，搜索音乐
foreach (var item in mcc.MusicSearcher)
{
//根据加载的插件所提供的方法，获取音乐信息
lstMusic.AddRange(crawler.GetMusicList(info, item.Value));
}
MusicDistinctHelper.Distinct(ref lstMusic);
//TODO:在各自的插件中过滤MusicFormat后，在这里是否最终输出也过滤一次
return lstMusic;
}
/// <summary>
/// 搜索歌曲
/// </summary>
private void button1_Click(object sender, EventArgs e)
{
try
{
Thread searchThread = new Thread(
delegate()
{
SearchMusicInfo info = new SearchMusicInfo() { MusicName = EncodeConverter.UrlEncode(textBox1.Text.Trim()), MusicFormat = SearchMusicFormat.MP3 };
var list = Finder.SearchM(info);
info.MusicName = textBox1.Text;
var lstlrc = Finder.SearchL(info);
//多线程使用UI控件
this.Invoke(new Action<List<MusicInfo>, List<MusicLrcInfo>>(DataBind), new object[] { list, lstlrc });
});
searchThread.IsBackground = true;
searchThread.Start();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 获取音乐歌词列表
/// </summary>
/// <param name="info">歌词信息的实体类</param>
/// <param name="objSearch">外部对象</param>
/// <returns>返回的歌词列表</returns>
public List<MusicLrcInfo> GetMusicLrcList(SearchMusicInfo info, ILRCSearch objSearch)
{
List<MusicLrcInfo> _lstMusicLrc = new List<MusicLrcInfo>();
string _pageHTML;
int TryTime = 1; // 对于歌词信息之重试一次
int tryCount = 0; // 已重试次数
// 重复请求页面，如果成功则跳出，失败则根据重试次数重新请求
while (true)
{
// 请求页面
NetworkRequest nwr = new NetworkRequest();
PageRequestResults result = nwr.RequestPage(out _pageHTML, objSearch.CreateAllLrcUrl(info), objSearch.PageEncode());
if (result == PageRequestResults.Success)
{
// 如果请求成功，分析页面
_lstMusicLrc = objSearch.PageAnalysis(_pageHTML);
break;
}
else
{
// 如果发送或接受失败 ，根据重试次数重发
if (tryCount < TryTime)
{
tryCount++;
continue;
}
else
{
break;
}
}
}
return _lstMusicLrc;
}
/// <summary>
/// 获取音乐信息列表
/// </summary>
/// <param name="info">歌曲信息的实体类</param>
/// <param name="objSearch">外部对象</param>
/// <returns>音乐列表</returns>
public List<MusicInfo> GetMusicList(SearchMusicInfo info,IMusicSearch objSearch)
{
List<MusicInfo> _musicList = new List<MusicInfo>();
string _pageHTML;
int tryCount = 0; // 已重试次数
int outTimeTry = 1; // 超时重试
// 重复请求页面，如果成功则跳出，失败则根据重试次数重新请求
while (true)
{
// 请求页面
NetworkRequest nwr = new NetworkRequest ();
PageRequestResults result = nwr.RequestPage(out _pageHTML, objSearch.CreateMusicUrl(info), objSearch.PageEncode());
if (result == PageRequestResults.Success)
{
// 如果请求成功，分析页面
_musicList = objSearch.PageAnalysis(_pageHTML);
break;
}
else if (result == PageRequestResults.TimeOut)
{
// 超时时自动重试一次
if (outTimeTry > 0)
{
outTimeTry--;
continue;
}
// 根据重试次数重发
if (tryCount < SearchConfig.TIME_OUT)
{
tryCount++;
continue;
}
else
{
break;
}
}
else if (result == PageRequestResults.ReceiveFailure || result == PageRequestResults.SendFailure)
{
// 如果发送或接受失败 ，根据重试次数重发
if (tryCount < SearchConfig.TIME_OUT)
{
tryCount++;
continue;
}
else
{
break;
}
}
else if (result == PageRequestResults.ConnectFailure)
{
// 如果连接失败，不重发
break;
}
else
{
// 其他情况也不重发
break;
}
}
return _musicList;
}