基于C#的音乐播放器主Form实现代码

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.IO;using System.Drawing.Imaging;using System.Threading;namespace MyMusicBox{  public partial class MainForm : Form  {    public MainForm()    {      InitializeComponent();      SetStyle(ControlStyles.UserPaint, true);      SetStyle(ControlStyles.OptimizedDoubleBuffer, true);      SetStyle(ControlStyles.AllPaintingInWmPaint, true);      SetStyle(ControlStyles.DoubleBuffer, true);          }    Song mySong = null;//播放的歌曲对象    ListViewItem itemLrc;//打开歌词路径项    Bitmap bm ;//用于动态设置LV背景    public SavingInfo sa = null;//持久化信息类    Thread thread;//后台线程     #region 加载事件    private void MainForm_Load(object sender, EventArgs e)    {        //调用读取配置文件方法        Path.ReadPath();        //窗体背景设置为配置文件中的图片        this.BackgroundImage = Image.FromFile(Path.bgPath);        //调用读取文件目录方法        Path.ReadSong();        //读取播放列表        sa = new SavingInfo();        sa.LoadPlayList();        //绑定LV        BindAllLV();        BindPlayLV();        SetLV();        SetLrcBG();        timer1.Enabled = Path.Playing;        //显示时间        lblTime.Text = System.DateTime.Now.ToString();        //两个lbl用来根据歌曲总长和播放长度显示进度，设置位置重叠        lblRuning.Location = lblLong.Location;        //启动线程        thread = new Thread(Renovate);        thread.IsBackground = true;        thread.Start();          }    #endregion    #region 后台刷新    /// <summary>    /// 时间计数状态等刷新    /// </summary>    private void Renovate()    {      //while (true)      //{      //  //计数      //  Count();      //  //获取当前时间      //  lblTime.Text = System.DateTime.Now.ToString();      //  //无歌曲提示，如果播放列表为空且当前播放列表为显示状态      //  if (lvPlay.Items.Count == 0 && lvPlay.Visible)      //    lblTs.Visible = true;      //  else      //    lblTs.Visible = false;      //  Thread.Sleep(1000);      //}    }    #endregion    #region 设置LV背景    /// <summary>    /// 设置LV背景    /// </summary>    public void SetLV()    {      bm = new Bitmap(this.BackgroundImage, this.Width, this.Height);      //绘制矩形，定义起始位置和宽高      Rectangle r = new Rectangle(lvPlay.Location.X, lvPlay.Location.Y, lvPlay.Width, lvSong.Height);      //按矩形尺寸和起始位置截取bm的一部分      bm= bm.Clone(r,bm.PixelFormat);      //把截取到的图片设置为lv背景，达到与主窗体背景完美契合的效果      lvSong.BeginUpdate();      lvSong.BackgroundImage = (Image)bm;      lvSong.EndUpdate();      lvPlay.BeginUpdate();      lvPlay.BackgroundImage = (Image)bm;      lvPlay.EndUpdate();    }    #endregion        #region 获取歌曲    /// <summary>    /// 获取播放歌曲    /// </summary>    private void GetSong()    {      //接收播放歌曲方法，获得一个歌曲对象      this.mySong = PlayList.Play();      //如果歌曲对象不为空      if (mySong != null)      {        //播放器路径设置为该歌曲路径        wmp.URL = mySong.FileName;        //调用方法，显示歌曲名、歌手        lblName.Text = PlayList.GetName();        lblSinger.Text = PlayList.GetSinger();        mySong.SongState = SongPlayState.played;//修改播放状态        //播放按钮图片修改为暂停图片        btnPlay.Image = Image.FromFile("Images//stop.png");         try        {                    //读取歌词路径          Path.ReadLrc();          AddLrc();          //启动一个定时器，此定时器只控制歌词轮播          timer2.Start();        }        catch (Exception)        {          LrcNull();          itemLrc = new ListViewItem();          itemLrc.SubItems.Add("找不到该歌曲歌词文件！");          itemLrc.ForeColor = Color.Blue;          itemLrc.Font = new Font("微软雅黑", 14.25F, ((FontStyle)((FontStyle.Bold | FontStyle.Underline))), GraphicsUnit.Point, ((byte)(134)));          lvLrc.Items.Add(itemLrc);        }      }    }    #endregion    #region 主定时器    //定时器1    private void timer1_Tick(object sender, EventArgs e)    {      if (Path.songPath == "")      {        timer1.Enabled = false;        return;      }            //如果当前无播放歌曲，调用获取歌曲的方法      if (this.mySong == null)      {        GetSong();      }      //自动下一首，如果当前播放完毕      if (this.wmp.playState == WMPLib.WMPPlayState.wmppsStopped)      {        this.mySong = null; // 将歌曲设为空        Path.lrcPath = "";        Path.dicLrc.Clear();        PlayModel();        PlayList.PlayNext();        Thread.Sleep(1000);      }      // 切歌，当前有播放歌曲且播放状态为cut      if (this.mySong != null && this.mySong.SongState == SongPlayState.cut)      {        this.wmp.URL = "";//置空        timer2.Stop();        Path.dicLrc.Clear();        Path.lrcPath = "";        this.mySong = null;      }      //如果当前有播放歌曲，需要获取的一些属性      if (wmp.URL!="")      {        //设置当前播放歌曲颜色        SongColor();        //获取音量控件显示值，根据控制刻度数量计算        this.trackBar1.Value = wmp.settings.volume / 10;        //歌曲时间显示，一个是总长度，一个是已播放长度，字符串类型        lblAll.Text = wmp.currentMedia.durationString;        lblRun.Text = wmp.Ctlcontrols.currentPositionString;        //进度条,使用了两个lbl控件，歌曲长度/已播放长度=lbl1的宽/lbl2的宽        //乘1000为防止数据过小出现错误        double temp = (wmp.currentMedia.duration*1000) / (wmp.Ctlcontrols.currentPosition*1000);        double width = lblLong.Width;        double avg = width / temp;        //判断>1为了防止avg数值小于int界限        if(avg>1)          lblRuning.Width = Convert.ToInt32(avg);        picRun.Left = lblRuning.Right;        //托盘显示播放歌曲        this.notifyIcon1.Text =lblName.Text + lblSinger.Text;      }    }    #endregion    #region 播放按钮    /// <summary>    /// 播放按钮，切换播放or暂停    /// </summary>    private void btnPlay_Click(object sender, EventArgs e)    {      if(!timer1.Enabled)        timer1.Start();      //如果当前为正在播放      if (wmp.playState == WMPLib.WMPPlayState.wmppsPlaying)      {        //暂停播放        wmp.Ctlcontrols.pause();        //按钮图片修改为播放        btnPlay.Image = Image.FromFile("Images//play.png");        //停止控制歌词滚动的定时器        if (timer2.Enabled)          timer2.Stop();      }      else if (wmp.playState == WMPLib.WMPPlayState.wmppsPaused)      {        //开始播放        wmp.Ctlcontrols.play();        //按钮图片修改为暂停        btnPlay.Image = Image.FromFile("Images//stop.png");        //启动歌词滚动        if (!timer2.Enabled&&Path.dicLrc.Count>0)          timer2.Start();      }    }    #endregion    #region 切歌    //切换下一首，调用切歌方法    private void btnRight_Click(object sender, EventArgs e)    {      PlayList.Cut(false);    }    //上一首，调用切歌方法    private void btnLeft_Click(object sender, EventArgs e)    {      PlayList.Cut(true);    }    #endregion    #region 音量    //静音，静音！=音量为0    private void btnModel_Click(object sender, EventArgs e)    {      //如果播放器非静音状态，前景文字显示红叉，状态改为静音      if (wmp.settings.mute == false)      {        btnSound.Text = "×";        wmp.settings.mute = true;      }      else//反之，已是静音状态，清空红叉，设置非静音状态      {        btnSound.Text = "";        wmp.settings.mute = false;      }    }    //设置音量，此事件为控制刻度值变化时    private void trackBar1_Scroll(object sender, EventArgs e)    {      //音量设置为控制刻度*10（因为初始化的时候是/10）      wmp.settings.volume = this.trackBar1.Value * 10;    }    #endregion    #region 歌曲列表操作    /// <summary>    /// 绑定所有歌曲LV数据    /// </summary>    private void BindAllLV()    {      //如果所有歌曲集合为空，结束      if (PlayList.song == null)        return;      lvSong.Items.Clear();      //遍历集合绑定到所有歌曲LV      foreach (Song s in PlayList.song)      {        ListViewItem item = new ListViewItem(s.Name);        item.Tag = s;        item.SubItems.Add(s.Singer);        lvSong.Items.Add(item);      }    }    //点击显示所有歌曲    private void tslblAll_Click(object sender, EventArgs e)    {      //隐藏播放列表      lvPlay.Visible = false;      //两个LV位置重叠      lvSong.Location = lvPlay.Location;      //点击后改变背景色      tslblAll.BackColor = Color.Silver;      tslblPlay.BackColor = Color.Transparent;      //显示所有歌曲LV      lvSong.Visible = true;    }    //点击显示播放列表    private void tslblPlay_Click(object sender, EventArgs e)    {      //调用绑定播放LV数据      BindPlayLV();      //背景色改变      tslblPlay.BackColor = Color.Silver;      tslblAll.BackColor = Color.Transparent;      //隐藏所有歌曲LV      lvSong.Visible = false;      //显示播放LV      lvPlay.Visible = true;    }    /// <summary>    /// 绑定播放列表    /// </summary>    private void BindPlayLV()    {      //如果播放集合不为空      if (PlayList.play!=null)      {        lvPlay.Items.Clear();        //遍历集合绑定播放LV        foreach (Song s in PlayList.play)        {          int id = lvPlay.Items.Count + 1;          s.Id = id;          ListViewItem item = new ListViewItem(id.ToString());          item.SubItems.Add(s.Name);          item.Tag = s;          lvPlay.Items.Add(item);        }       }    }    /// <summary>    /// 歌曲计数    /// </summary>    private void Count()    {      //if (lvSong.Visible)      //  lblCount.Text = "已选" + lvSong.CheckedItems.Count + "//总" + lvSong.Items.Count;      //if (lvPlay.Visible)      //  lblCount.Text = "总" + lvPlay.Items.Count;    }    #endregion    #region 歌词操作    /// <summary>    /// 设置歌词背景    /// </summary>    public void SetLrcBG()    {      bm = new Bitmap(this.BackgroundImage, this.Width, this.Height);      //绘制矩形，定义起始位置和宽高      Rectangle r = new Rectangle(lvLrc.Location.X, lvLrc.Location.Y, lvLrc.Width, lvLrc.Height);      //按矩形尺寸和起始位置截取bm的一部分      bm = bm.Clone(r, PixelFormat.Undefined);      //把截取到的图片设置为lv背景，达到与主窗体背景完美契合的效果      lvLrc.BeginUpdate();      lvLrc.BackgroundImage = (Image)bm;      lvLrc.EndUpdate();    }    int nullCount;//记录空行位置    /// <summary>    /// 设置空行，使歌词局中    /// </summary>    private void LrcNull()    {      lvLrc.Items.Clear();      nullCount = (int)Math.Ceiling(Convert.ToDouble(lvLrc.Height / 30 / 2));      for (int i = 0; i <= nullCount; i++)      {        lvLrc.Items.Add("");      }    }    /// <summary>    /// 添加歌词    /// </summary>    private void AddLrc()    {      LrcNull();      foreach (string key in Path.dicLrc.Keys)      {        ListViewItem item = new ListViewItem();        item.SubItems.Add(Path.dicLrc[key]);        item.Tag = key;        lvLrc.Items.Add(item);      }    }    //只控制歌词轮播    private void timer2_Tick(object sender, EventArgs e)    {      //调用显示歌词的方法      ShowLrc();    }    /// <summary>    /// 显示歌词    /// </summary>    private void ShowLrc()    {      foreach (ListViewItem item in lvLrc.Items)      {        if (item.Tag == null)          continue;        if (item.Tag.ToString() == lblRun.Text )        {          item.ForeColor = Color.DarkOrange;          item.Font = new Font("华文琥珀", 16F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(134)));          lvLrc.Items[item.Index -1].ForeColor = Color.Silver;          lvLrc.Items[item.Index - 1].Font = new Font("微软雅黑", 12F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(134)));          if (item.Index + 1<lvLrc.Items.Count)            lvLrc.Items[item.Index+1].EnsureVisible();               }      }    }    #endregion    #region 窗体隐藏到托盘设置    //最小化到托盘    private void btnMix_Click(object sender, EventArgs e)    {      this.Hide();    }    //主窗体大小状态变化时    private void MainForm_SizeChanged(object sender, EventArgs e)    {      if (this.WindowState == FormWindowState.Minimized)      {        //启动一个控件，该控制可以让程序在右下角显示图标，需要提前设置该控制显示的图标图片        this.notifyIcon1.Visible = true;      }    }    //托盘显示，双击显示窗体    private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)    {      ShowMain();    }    /// <summary>    /// 显示主窗体    /// </summary>    public void ShowMain()    {      if (!this.Visible)      {        this.TopMost = true;        this.Show();        this.TopMost = false;      }      else      {        this.TopMost = true;        this.TopMost = false;      }    }    //托盘打开窗体    private void tsmiShow_Click(object sender, EventArgs e)    {      ShowMain();    }    //托盘退出    private void tsmiExit_Click(object sender, EventArgs e)    {      Application.Exit();    }    #endregion    #region 窗体位移    Point mouseOff;//鼠标移动位置变量    bool leftFlag;//标记是否为左键    private void pnlMain_MouseDown(object sender, MouseEventArgs e)    {      if (e.Button == MouseButtons.Left)      {        mouseOff = new Point(-e.X, -e.Y); //得到变量的值        leftFlag = true; //点击左键按下时标注为true;      }    }    private void pnlMain_MouseMove(object sender, MouseEventArgs e)    {      if (leftFlag)      {        Point mouseSet = Control.MousePosition;        mouseSet.Offset(mouseOff.X, mouseOff.Y); //设置移动后的位置        Location = mouseSet;      }    }    private void pnlMain_MouseUp(object sender, MouseEventArgs e)    {      if (leftFlag)      {        leftFlag = false;//释放鼠标后标注为false;      }    }  #endregion    #region 进度条滚动块移动    int runX;//记录滚动块初始位置    private void picRun_MouseDown(object sender, MouseEventArgs e)    {      runX = e.X;    }    //释放鼠标位移，进度前进    private void picRun_MouseUp(object sender, MouseEventArgs e)    {      picRun.Left += e.X - runX - picRun.Width / 2;      if (picRun.Left > lblLong.Right)        picRun.Left = lblLong.Right;      if(picRun.Left<lblLong.Left)        picRun.Left = lblLong.Left;      if (mySong != null)      {        lblRuning.Width = picRun.Right- lblRuning.Left;        double temp = (lblLong.Width*1000.0 )/ (lblRuning.Width*1000.0);        wmp.Ctlcontrols.currentPosition = wmp.currentMedia.duration / temp;      }    }    #endregion    #region 歌曲增删操作    //添加歌曲到播放列表    private void tsmiAdd_Click(object sender, EventArgs e)    {      if (lvSong.CheckedItems.Count > 0)      {        foreach (ListViewItem item in lvSong.CheckedItems)        {           // 遍历播放集合，如果存在不添加           foreach (Song s in PlayList.play)           {             if (s.Name == item.Text)             {               PlayList.play.Remove(s);               break;             }           }           PlayList.play.Add(item.Tag as Song);        }      }    }    //所有歌曲：删除选中歌曲    private void tsmiDel_Click(object sender, EventArgs e)    {      foreach (ListViewItem item in lvSong.Items)      {        if (item.Checked)        {          PlayList.song.Remove(item.Tag as Song);        }       }      BindAllLV();    }    //全选歌曲    private void tsmiCheck_Click(object sender, EventArgs e)    {      foreach (ListViewItem item in lvSong.Items)      {        if (tsmiCheck.Text == "全部选中")        {          item.Checked = true;          if(item.Index+1==lvSong.Items.Count)            tsmiCheck.Text = "取消选中";        }        else        {          item.Checked = false;          if (item.Index + 1 == lvSong.Items.Count)            tsmiCheck.Text = "全部选中";        }      }    }    //选中项的同时选中复选框    private void lvSong_MouseDown(object sender, MouseEventArgs e)    {      if (lvSong.SelectedItems.Count > 0 && e.Button == MouseButtons.Left)      {        lvSong.SelectedItems[0].Checked = true;      }    }    //播放列表删除事件    private void tsmiPlayDel_Click(object sender, EventArgs e)    {      foreach (ListViewItem item in lvPlay.Items)      {        if (item.Selected)        {          //PlayList.id = (lvPlay.Items[item.Index+1].Tag as Song).Id;          //this.song = null;          PlayList.play.Remove(item.Tag as Song);        }      }      BindPlayLV();    }    //清空播放列表    private void tsmiPlayClear_Click(object sender, EventArgs e)    {      PlayList.play.Clear();      this.mySong = null;      BindPlayLV();    }    //从播放列表删除文件    private void tsmiPlayDelFile_Click(object sender, EventArgs e)    {      if (lvPlay.SelectedItems.Count > 0)      {        DelFile(lvPlay.SelectedItems[0]);      }    }    /// <summary>    /// 删除某项对应文件    /// </summary>    /// <param name="item"></param>    private void DelFile(ListViewItem item)    {      try      {        string path = (item.Tag as Song).FileName;        File.Delete(path);        BindAllLV();        BindPlayLV();      }      catch (Exception)      {        MessageBox.Show("该文件为只读文件或用户权限不够，无法删除！");      }    }    //从所有歌曲中删除文件    private void tsmiDelFile_Click(object sender, EventArgs e)    {      if (lvSong.SelectedItems.Count > 0)      {        DelFile(lvSong.SelectedItems[0]);      }    }    //双击列表项播放歌曲    private void lvPlay_DoubleClick(object sender, EventArgs e)    {      if (!timer1.Enabled)      {        PlayList.id = (lvPlay.SelectedItems[0].Tag as Song).Id;        timer1.Start();      }      if (lvPlay.SelectedItems.Count > 0)      {        PlayList.id = (lvPlay.SelectedItems[0].Tag as Song).Id;        this.mySong = null;      }    }    #endregion    #region 设置    //跳转设置窗体    private void btnSet_Click(object sender, EventArgs e)    {      SetForm set = new SetForm();      set.parent = this;//把主窗体传过去      set.Show(this);    }    #endregion    #region 回滚    /// <summary>    /// 路径重置后    /// </summary>    public void Back()    {      BindAllLV();      PlayList.Update();      timer1.Start();    }    #endregion    #region 退出    //关闭时保存列表    private void MainForm_FormClosing(object sender, FormClosingEventArgs e)    {      if (Path.SaveList)        sa.SavePlayList();    }    //面板退出    private void btnExit_Click(object sender, EventArgs e)    {      if (Path.Exit)      {        Application.Exit();      }      else      {        this.Hide();      }    }     #endregion    #region 背景颜色等变换控制    private void btnLeft_MouseEnter(object sender, EventArgs e)    {      ((Button)sender).BackgroundImage = Image.FromFile("Images//allbtn_highlight.png");    }    private void btnLeft_MouseLeave(object sender, EventArgs e)    {      ((Button)sender).BackgroundImage = null;    }    private void tslblPlay_MouseEnter(object sender, EventArgs e)    {      ((ToolStripLabel)sender).BackgroundImage = Image.FromFile("Images//Album_bkg_wubian.png");    }    private void tslblPlay_MouseLeave(object sender, EventArgs e)    {      ((ToolStripLabel)sender).BackgroundImage = null;    }    //选中改变颜色    private void lvSong_ItemChecked(object sender, ItemCheckedEventArgs e)    {      foreach (ListViewItem item in lvSong.Items)      {        if (item.Checked)        {          item.ForeColor = Color.DarkOrange;        }        else        {          item.ForeColor = Color.DimGray;        }      }    }    /// <summary>    /// 当前播放歌曲改变颜色    /// </summary>    private void SongColor()    {      foreach (ListViewItem item in lvPlay.Items)      {        if (item.SubItems[1].Text == lblName.Text)        {          item.ForeColor = Color.DeepSkyBlue;        }        else        {          item.ForeColor = Color.White;        }      }    }    #endregion    #region 选择歌词    private void lvLrc_MouseDown(object sender, MouseEventArgs e)    {      if (lvLrc.SelectedItems.Count>0&&lvLrc.SelectedItems[0] == itemLrc)      {        if (Path.OpenLrc())        {          AddLrc();          //启动一个定时器，此定时器只控制歌词轮播          timer2.Start();        }      }    }    #endregion    #region 窗体最大化设置    Size now;//原始尺寸    Point pN;//原始位置    //最大化    private void btnMax_Click(object sender, EventArgs e)    {      Size max = new Size(Screen.PrimaryScreen.WorkingArea.Width - 10, Screen.PrimaryScreen.WorkingArea.Height - 20);      if (this.Size != max)      {        pN = this.Location;        now= this.Size;        this.Size = max;        this.Left = 5;        this.Top = 5;        btnMax.Image = Image.FromFile("Images//max1.png");      }      else      {        this.Location = pN;        this.Size = now;        btnMax.Image = Image.FromFile("Images//max.png");      }      SetLV();      SetLrcBG();    }    #endregion    #region 歌词、MV切换    private void tsmiLrc_Click(object sender, EventArgs e)    {      lvLrc.Visible = true;      wmp.Visible = false;      tsmiLrc.BackColor = Color.LawnGreen;      tsmiMv.BackColor = Color.Transparent;    }    private void tsmiMv_Click(object sender, EventArgs e)    {      wmp.Location = lvLrc.Location;      wmp.Size = lvLrc.Size;      lvLrc.Visible = false;      wmp.Visible = true;      tsmiLrc.BackColor = Color.Transparent;      tsmiMv.BackColor = Color.LawnGreen;    }    #endregion    #region 播放模式切换    /// <summary>    /// 播放模式    /// </summary>    private void PlayModel()    {      if (tsmiOne.Checked)      {        PlayList.PlayOne();      }      else if (tsmiSJ.Checked)      {        PlayList.PlayRandom();      }    }    private void tsmiXH_Click(object sender, EventArgs e)    {      ToolStripMenuItem ts=((ToolStripMenuItem)sender);      foreach(ToolStripMenuItem item in tsmiModel.DropDownItems)      {        if (ts.Checked && ts == item)        {          continue;        }        else        {          item.Checked = false;        }      }    }    #endregion      }}