通过api获取网易云音乐歌曲信息(获取mp3地址以及在线播放)

using Microsoft.Win32;using System;using System.Net;using System.Windows;using System.Windows.Input;using NeteaseCloudMusicTool.DataClass;using System.Windows.Controls;using System.Windows.Media;namespace NeteaseCloudMusicTool{ /// <summary> /// MainWindow.xaml 的交互逻辑 /// </summary> public partial class MainWindow : Window { String jsonDetail = String.Empty; String jsonUrl = String.Empty; String id = String.Empty; String br = "320000"; //String sId = String.Empty; String sUrl = String.Empty; String sBr = String.Empty; String sName = String.Empty; //String sBitrate = String.Empty; String sArtist = String.Empty; String sAlbum = String.Empty; String sDuration = String.Empty; String directory = String.Empty; MediaPlayer player = new MediaPlayer(); public MainWindow() { InitializeComponent(); } private async void btnGetInfo_Click(object sender, RoutedEventArgs e) { if (txtId.Text == String.Empty) { MessageBox.Show("请输入ID", "网易云音乐工具"); return; } if (txtId.Text.Trim().StartsWith("http") || txtId.Text.Trim().StartsWith("https")) { try { id = GetIdFromLink(txtId.Text); } catch (Exception ee) when (String.Equals(ee.Message, "Wrong Url")) { MessageBox.Show("歌曲链接格式错误，无法解析出歌曲id"); return; } } else { id = txtId.Text; } // 获取歌曲详情 try { jsonDetail = await MusicApi.GetDetialAsync(id); // jsonDetial = MusicApi.GetDetial(id); } catch (WebException ee) when (String.Equals(ee.Message, "No Internet Exception")) { MessageBox.Show("无法连接到网络", "网易云音乐工具"); return; } // 歌曲不存在 if (jsonDetail == "{\"songs\":[],\"equalizers\":{},\"code\":200}") { MessageBox.Show("没有找到对应歌曲", "网易云音乐工具"); return; } else if (jsonDetail == "{\"code\":400}") { MessageBox.Show("没有找到对应歌曲", "网易云音乐工具"); return; } // 获取歌曲链接 try { jsonUrl = await MusicApi.GetUrlAsync(id, br); // jsonUrl = MusicApi.GetUrl(id, br); } catch (WebException ee) when (String.Equals(ee.Message, "No Internet Exception")) { MessageBox.Show("无法连接到网络", "网易云音乐工具"); return; } catch (Exception ee) when (String.Equals(ee.Message, "Error No Response")) { MessageBox.Show("向服务器请求数据失败，请重试", "网易云音乐工具"); return; } // 解析歌曲信息 SongDetail sdetail = JsonPrase.Prase<SongDetail>(jsonDetail); sName = sdetail.songs[0].name; sArtist = String.Empty; foreach (var artist in sdetail.songs[0].artists) { sArtist = artist.name ","; } sArtist = sArtist.Substring(0,sArtist.Length-1); sAlbum = sdetail.songs[0].album.name; sDuration = sdetail.songs[0].duration; // 解析歌曲链接 SongUrl surl = JsonPrase.Prase<SongUrl>(jsonUrl); sUrl = surl.data[0].url; sBr = surl.data[0].br; // 更新界面数据 txbName.Text = sName; txbBitRate.Text = sBr; txbArtist.Text = sArtist; txbAlbum.Text = sAlbum; txbDuration.Text = sDuration; progressBar.Value = 0; if (String.Equals(sUrl, null)) { txbUrl.Text = "无法获取下载地址，歌曲可能受版权保护"; } else { txbUrl.Text = sUrl; } if (sUrl != null) { btnPlay.IsEnabled = true; btnPlay.Content = " 播放 "; player.Open(new Uri(sUrl)); btnDownload.IsEnabled = true; } } private String GetIdFromLink(String text) { String start1 = "song?id="; String end1 = "&userid"; String start2 = "song/"; String end2 = "/?userid"; String result = String.Empty; if (text.IndexOf(start1) >= 0) { var indexs = text.IndexOf(start1); var indexe = text.IndexOf(end1); result = text.Substring(indexs start1.Length, indexe - (indexs start1.Length)).Trim(); } else if (text.IndexOf(start2) >= 0) { var indexs = text.IndexOf(start2); var indexe = text.IndexOf(end2); result = text.Substring(indexs start2.Length, indexe - (indexs start2.Length)).Trim(); } else { throw new Exception("Wrong Url"); } return result; } private void btnDownload_Click(object sender, RoutedEventArgs e) { SaveFileDialog sfd = new SaveFileDialog(); sfd.Filter = "mp3文件|*.mp3|wav文件|*.wav|m4a文件|*.m4a|所有文件|*.*"; sfd.FileName = sArtist " - " sName; if (sfd.ShowDialog() == true) { directory = sfd.FileName; DownloadProgress(); } } private void DownloadProgress() { try { using (WebClient client = new WebClient()) { // 进度条取消隐藏 progressBar.Visibility = Visibility.Visible; // 进度条控制 client.DownloadProgressChanged = delegate (object sender, DownloadProgressChangedEventArgs e) { progressBar.Value = e.ProgressPercentage; txbProgress.Text = "已下载" progressBar.Value "%"; }; // 下载完成事件 client.DownloadFileCompleted = delegate (object sender, System.ComponentModel.AsyncCompletedEventArgs e) { if (e.Error == null) { txbProgress.Text = "下载完成"; } else { txbProgress.Text = "下载失败"; } //MessageBox.Show("下载完成", "网易云音乐工具"); }; // 异步下载文件 client.DownloadFileAsync(new Uri(sUrl), directory); } } catch (WebException) { MessageBox.Show("网络错误", "网易云音乐工具"); return; } catch (Exception e) { MessageBox.Show(e.Message, "网易云音乐工具"); return; } } private void btnPlay_Click(object sender, RoutedEventArgs e) { if ((String)((Button)sender).Content == " 暂停 ") { ((Button)sender).Content = " 播放 "; if (player.CanPause) { player.Pause(); } } else if((String)((Button)sender).Content == " 播放 ") { ((Button)sender).Content = " 暂停 "; player.Open(new Uri(sUrl)); player.Play(); } } private void btnAbout_Click(object sender, RoutedEventArgs e) { AboutWindow aw = new AboutWindow(); aw.ShowDialog(); //new AboutWindow().ShowDialog(); } }}