播放器

来源：互联网发布：网络诗歌一百首诗歌编辑：程序博客网时间：2024/04/25 04:09

1.前台代码:

2.后台代码:public partial class PlayWindow : System.Windows.Controls.UserControl
    {
           string Url = "d://chen2.wav"; //音频文件路径
           string sPath = "d://学习保存文件路径
        System.Windows.Threading.DispatcherTimer timer = new System.Windows.Threading.DispatcherTimer();//定义timer
        public PlayWindow()
        {
            InitializeComponent();

        }

      public PlayWindow( string SoundUrl)
        {
            InitializeComponent();
            Url = SoundUrl;
            haha.Source = new Uri( Url, UriKind.Absolute);//URL的绝对路径
            timer.Interval = new TimeSpan(0,0,1);//时分秒的初始值
            timer.Tick += new EventHandler(timer_Tick);//调用timer_tick
            timer.Start();

        }
      void timer_Tick(object sender, EventArgs e)
      {
             label2.Content = string.Format(
                    "{0}{1:00}:{2:00}:{3:00}",
                    "播放进度：",
                    haha.Position.Hours,
                    haha.Position.Minutes,
                    haha.Position.Seconds);
             label3.Content = string.Format("下载进度：{0:##%}", haha.DownloadProgress);

      }

        private void InitializePropertyValues()
        {
            //haha.Volume = (double)volumeSlider.Value;
           // haha.Source = new Uri(Url, UriKind.Absolute);
        }
        /// <summary>
        /// 下载按钮引发的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
         //播放进度
        private void slider1_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
        {

            try
            {
                haha.Position = TimeSpan.FromSeconds((haha.NaturalDuration.TimeSpan.TotalSeconds * slider1.Value) /10);//播放器的进度
            }
            catch (Exception ex)
            {

                throw ex;
            }

         }
        /// <summary>
        /// 播放
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, RoutedEventArgs e)
        {
          haha.Play();
        }
        /// <summary>
        /// 暂停
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, RoutedEventArgs e)
        {
            haha.Pause();
        }
        /// <summary>
        /// 停止
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button3_Click(object sender, RoutedEventArgs e)
        {
            haha.Stop();
        }
        /// <summary>
        /// 静音
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button4_Click(object sender, RoutedEventArgs e)
        {
            haha.IsMuted = !haha.IsMuted;
        }
        /// <summary>
        /// 音量控制
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void slider2_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
        {
            //音量控制
            double d = (double)(((double)slider2.Value) / 10);
            haha.Volume = d;
            label4.Content = (double.Parse(d.ToString("F2")) * 100) + "%";
        }
        /// <summary>
        /// 下载操作
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnDown_Click_1(object sender, RoutedEventArgs e)
        {

            System.Windows.Forms.SaveFileDialog sf = new System.Windows.Forms.SaveFileDialog();
            sf.Filter = "音频文件|*.wav";
            if (sf.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                String targetPath = sf.FileName;
                System.IO.File.Copy(Url, targetPath, true);//把文件copy的另一个地方
            }

        }
        /// <summary>
        /// 隐藏当前窗口
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button5_Click(object sender, RoutedEventArgs e)
        {
            haha.Stop();
            haha.Close();
            this.LayoutRoot.Visibility = Visibility.Hidden;
        }

        private void button6_Click(object sender, RoutedEventArgs e)
        {
            Url = "d://chen2.wav"; //音频文件路径
            sPath = "d://学习保存文件路径
            PlayWindow pw = new PlayWindow(Url);
            //SearchChatHistory pw = new SearchChatHistory(soundUrl);
            addPlay.Content = pw;
            addPlay.Visibility = Visibility.Visible;

        }

}