public IActionResult Play(string songName, [FromQuery] bool cheat = false) { // 歌検索 var song = _album.FindSong(songName); if (song == null) { return(new NotFoundResult()); } const int count = 256; var playResult = cheat ? _house.Cheat(song) : _house.Play(song, count); return(View("~/Views/Home/Play.cshtml", new PlayViewModel { AppSettings = _appSettings, Title = song.Title, Song = song, PlayResult = playResult, })); }