实例介绍
【实例截图】
需要启用 Windows Media Player 功能,否则会提示【System.Runtime.InteropServices.COMException:“没有注册类】
操作步骤:控制面板>>程序>>启用或者关闭windows 功能>>选中 媒体功能>>Windows Media Player,点击确定即可
【核心代码】
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Runtime.InteropServices; using System.Data.SqlClient; namespace MP3Player { public partial class frmYinYue : Form { public frmYinYue() { InitializeComponent(); } //*********************** private Point mouseOffset;//记录鼠标坐标 private bool isMouseDown = false;//是否按下鼠标 bool flag = false;//判断是播放还是打开选择窗口 static bool MM = true;//记录是否静音 static bool XX = true;//记录是否暂停 //*********************** private void Form1_Load(object sender, EventArgs e) { } private void pictureBox1_Click(object sender, EventArgs e) { this.WindowState = FormWindowState.Minimized; } private void pictureBox2_Click(object sender, EventArgs e) { Application.Exit(); } #region 移动无边框窗体 private void pictureBox3_MouseDown(object sender, MouseEventArgs e) { int xOffset; int yOffset; if (e.Button == MouseButtons.Left) { xOffset = -e.X; yOffset = -e.Y; mouseOffset = new Point(xOffset, yOffset); isMouseDown = true; } } private void pictureBox3_MouseMove(object sender, MouseEventArgs e) { if (isMouseDown) { Point mousePos = Control.MousePosition; mousePos.Offset(mouseOffset.X, mouseOffset.Y); Location = mousePos; } } private void pictureBox3_MouseUp(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left) { isMouseDown = false; } } #endregion private void pictureBox4_Click(object sender, EventArgs e)//打开播放 { Music(); axWindowsMediaPlayer1.URL = Tools.Address; m = 1; lblSongTitle.Text = " 歌曲名称:" axWindowsMediaPlayer1.currentMedia.getItemInfo("Title"); } public void Music() { string sql = "select * from Yy"; if (Tools.CiShu > 0) { sql = string.Format(" where Id='{0}'", Tools.CiShu); } SqlConnection conn = new SqlConnection(DBHelper.ConStr); try { conn.Open(); SqlCommand comm = new SqlCommand(sql, conn); SqlDataReader reader = comm.ExecuteReader(); while (reader.Read()) { //Tools.Address = reader["Address"].ToString(); Tools.Address = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Music/命运交响曲-张智霖.mp3"); } reader.Close(); } catch (Exception ex) { MessageBox.Show(ex.Message); } finally { conn.Close(); } } private void pictureBox5_Click(object sender, EventArgs e)//暂停 { axWindowsMediaPlayer1.Ctlcontrols.pause(); flag = true; } private void pictureBox6_Click(object sender, EventArgs e)//停止 { axWindowsMediaPlayer1.Ctlcontrols.stop(); flag = false; } private void pictureBox7_Click(object sender, EventArgs e)//静音 { if (MM) { pictureBox7.Image = (Image)Properties.Resources.静音; axWindowsMediaPlayer1.settings.mute = true; MM = false; } else { pictureBox7.Image = (Image)Properties.Resources.增大音量; axWindowsMediaPlayer1.settings.mute = false; MM = true; } } #region 按钮 private void pictureBox4_MouseEnter(object sender, EventArgs e) { pictureBox4.Image = (Image)Properties.Resources.播放; } private void pictureBox4_MouseLeave(object sender, EventArgs e) { pictureBox4.Image = (Image)Properties.Resources.播放; } private void pictureBox5_MouseEnter(object sender, EventArgs e) { pictureBox5.Image = (Image)Properties.Resources.暂停; } private void pictureBox5_MouseLeave(object sender, EventArgs e) { pictureBox5.Image = (Image)Properties.Resources.暂停; } private void pictureBox6_MouseEnter(object sender, EventArgs e) { pictureBox6.Image = (Image)Properties.Resources.停止; } private void pictureBox6_MouseLeave(object sender, EventArgs e) { pictureBox6.Image = (Image)Properties.Resources.停止; } int m = 0; private void timer1_Tick(object sender, EventArgs e) { int i = (int)axWindowsMediaPlayer1.playState; switch (i) { case 1: lblStauts.Text = "状态:停止"; break; case 2: lblStauts.Text = "状态:暂停"; break; case 3: lblStauts.Text = "状态:播放"; break; case 6: lblStauts.Text = "状态:正在缓冲"; break; case 9: lblStauts.Text = "状态:正在连接"; break; case 10: lblStauts.Text = "状态:准备就绪"; break; } lbljindu.Text = axWindowsMediaPlayer1.Ctlcontrols.currentPositionString; if (m == 1) { hScrollBar1.Maximum = (int)axWindowsMediaPlayer1.currentMedia.duration; hScrollBar1.Minimum = 0; hScrollBar1.Value = (int)axWindowsMediaPlayer1.Ctlcontrols.currentPosition; hScrollBar2.Value = axWindowsMediaPlayer1.settings.volume; } } private void hScrollBar1_Scroll(object sender, ScrollEventArgs e) { axWindowsMediaPlayer1.Ctlcontrols.currentPosition = e.NewValue; } private void hScrollBar2_Scroll(object sender, ScrollEventArgs e) { axWindowsMediaPlayer1.settings.volume = e.NewValue; } private void axWindowsMediaPlayer1_Enter(object sender, EventArgs e) { } #endregion /// <summary> /// 上一首 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void pictureBox8_Click(object sender, EventArgs e) { if (i == 1) { i = 52; } i--; Tools.CiShu = i; Music(); axWindowsMediaPlayer1.URL = Tools.Address; m = 1; lblSongTitle.Text = " 歌曲名称:" axWindowsMediaPlayer1.currentMedia.getItemInfo("Title"); } /// <summary> /// 下一首 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> int i = 0; private void pictureBox9_Click(object sender, EventArgs e) { if (i == 50) { i = 1; } i ; Tools.CiShu = i; Music(); axWindowsMediaPlayer1.URL = Tools.Address; m = 1; lblSongTitle.Text = " 歌曲名称:" axWindowsMediaPlayer1.currentMedia.getItemInfo("Title"); } private void pictureBox3_Click(object sender, EventArgs e) { } } }
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