C#编写的音乐播放器.docx

主要代码：using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.IO;using System.Media;using System.Drawing.Drawing2D;using System.Data.OleDb;namespace MusicPlayer public partial class Form1 : Form public Form1() InitializeComponent(); string MusicFileNames; bool SingleLoop = true; bool AllLoop = true; bool noramal = true; bool RandomLoop = true; #region/播放 private void btnPlay_Click(object sender, EventArgs e) noramal = true; if (this.axWindowsMediaPlayer1.Ctlcontrols.currentPosition = 0) if (this.listView1.Items.Count 0) timer1.Start(); if (this.listView1.SelectedItems.Count 0) int iPos = this.listView1.SelectedItems0.Index; string FileName = this.listView1.ItemsiPos.SubItems2.Text; this.axWindowsMediaPlayer1.URL = FileName; else MessageBox.Show(请选择歌曲！, 信息提示, MessageBoxButtons.OK, MessageBoxIcon.Information); else this.axWindowsMediaPlayer1.Ctlcontrols.play(); #endregion #region/停止 private void btnStop_Click(object sender, EventArgs e) timer1.Stop(); if (this.listView1.Items.Count 0) if (this.listView1.SelectedItems.Count 0) timer1.Enabled = false; axWindowsMediaPlayer1.Ctlcontrols.stop(); else MessageBox.Show(请选择歌曲！, 信息提示, MessageBoxButtons.OK, MessageBoxIcon.Information); #endregion #region/暂停 private void btnPause_Click(object sender, EventArgs e) timer1.Stop(); if (this.listView1.Items.Count 0) if (this.listView1.SelectedItems.Count 0) timer1.Enabled = false; axWindowsMediaPlayer1.Ctlcontrols.pause(); else MessageBox.Show(请选择歌曲！, 信息提示, MessageBoxButtons.OK, MessageBoxIcon.Information); #endregion #region/上一首 private void btnLast_Click(object sender, EventArgs e) if (this.listView1.SelectedItems.Count 0) int iPos = this.listView1.SelectedItems0.Index; if (iPos 0) this.listView1.ItemsiPos - 1.Selected = true; string FileName = this.listView1.ItemsiPos - 1.SubItems2.Text; this.axWindowsMediaPlayer1.URL = FileName; else MessageBox.Show(这已经是第一首歌曲了！, 信息提示, MessageBoxButtons.OK, MessageBoxIcon.Information); else MessageBox.Show(请选择歌曲！, 信息提示, MessageBoxButtons.OK, MessageBoxIcon.Information); #endregion #region/下一首 private void btnNext_Click(object sender, EventArgs e) if (this.listView1.SelectedItems.Count 0) int iPos = this.listView1.SelectedItems0.Index; if (iPos 0) if (this.listView1.SelectedItems.Count 0) int iPos = this.listView1.SelectedItems0.Index; string FileName = this.listView1.ItemsiPos.SubItems2.Text; this.axWindowsMediaPlayer1.URL = FileName; else MessageBox.Show(请选择歌曲！, 信息提示, MessageBoxButtons.OK, MessageBoxIcon.Information); #endregion #region/播放方式（实现循环） private void timer1_Tick(object sender, EventArgs e) /用 timer_tick 来实现循环 int record = this.listView1.SelectedItems0.Index; int iTotal = this.listView1.Items.Count-1; Random rnd = new Random(); /定义随机函数 int rand = rnd.Next(1, iTotal); if (AllLoop = true&noramal=false) if (this.axWindowsMediaPlayer1.playState = WMPLib.WMPPlayState.wmppsStopped) if (record this.listView1.Items.Count - 1) this.listView1.Itemsrecord + 1.Selected = true; string FileName = this.listView1.Itemsrecord + 1.SubItems2.Text; this.axWindowsMediaPlayer1.URL = FileName; else if (record = this.listView1.Items.Count - 1) this.listView1.Items0.Selected = true; string FileName = this.listView1.Items0.SubItems2.Text; this.axWindowsMediaPlayer1.URL = FileName; else if (SingleLoop = true&noramal=false) if (this.axWindowsMediaPlayer1.playState = WMPLib.WMPPlayState.wmppsStopped) this.listView1.Itemsrecord.Selected = true; this.axWindowsMediaPlayer1.Ctlcontrols.play(); else if (noramal = true) if (this.axWindowsMediaPlayer1.playState = WMPLib.WMPPlayState.wmppsStopped) if (record this.listView1.Items.Count - 1) this.listView1.Itemsrecord + 1.Selected = true; string FileName = this.listView1.Itemsrecord + 1.SubItems2.Text; this.axWindowsMediaPlayer1.URL = FileName; else if (record = this.listView1.Items.Count - 1) this.axWindowsMediaPlayer1.Ctlcontrols.stop(); else if (RandomLoop = true & noramal = false) if (this.axWindowsMediaPlayer1.playState = WMPLib.WMPPlayState.wmppsStopped) if (record+rand) = this.listView1.Items.Count - 1) this.listView1.Itemsrand.Selected = true; string FileName = this.listView1.Itemsrand.SubItems2.Text; this.axWindowsMediaPlayer1.URL = FileName; #endregion #region/添加文件 private void 添加文件ToolStripMenuItem_Click(object sender, EventArgs e) /添加文件以及其中的信息 this.openFileDialog1.Multiselect=true; if (this.openFileDialog1.ShowDialog() = DialogResult.OK) MusicFileNames = this.openFileDialog1.FileNames; foreach (string MusicName in MusicFileNames) FileInfo MyFileInfo = new FileInfo(MusicName); /曲名 string MyShortFileName = MusicName.Substring(MusicName.LastIndexOf() + 1); MyShortFileName = MyShortFileName.Substring(0, MyShortFileName.Length - 4); /大小 float MyFileSize = (float)MyFileInfo.Length / (1024 * 1024); /载入 string SubItem = MyShortFileName, MyFileSize.ToString().Substring(0, 4) + M, MusicName ; ListViewItem Item = new ListViewItem(SubItem); this.listView1.Items.Add(Item); this.listView1.Items0.Selected = true; WMPLib.IWMPMedia media = this.axWindowsMediaPlayer1.newMedia(MusicName); this.axWindowsMediaPlayer1.currentPlaylist.appendItem(media); #endregion #region/添加文件夹 private void 添加文件夹ToolStripMenuItem_Click(object sender, EventArgs e) /添加文件夹以及其中文件的信息 if (this.folderBrowserDialog1.ShowDialog() = DialogResult.OK) DirectoryInfo dir = new DirectoryInfo(this.folderBrowserDialog1.SelectedPath); foreach (FileInfo f in dir.GetFiles(*.*) /曲名 string MyShortFileName = f.Name; MyShortFileName = MyShortFileName.Substring(0, MyShortFileName.Length - 4); /大小 float MyFileSize = (float)f.Length / (1024 * 1024); /载入 string SubItem = MyShortFileName, MyFileSize.ToString().Substring(0, 4) + M,f.FullName ; ListViewItem Item = new ListViewItem(SubItem); this.listView1.Items.Add(Item); this.listView1.Items0.Selected = true; WMPLib.IWMPMedia media = this.axWindowsMediaPlayer1.newMedia(f.DirectoryName); this.axWindowsMediaPlayer1.currentPlaylist.appendItem(media); #endregion #region/播放方式 private void 顺序播放ToolStripMenuItem_Click(object sender, EventArgs e) noramal = true; RandomLoop = false; SingleLoop = false; AllLoop = false; this.顺序播放ToolStripMenuItem.Checked = true; this.单曲播放ToolStripMenuItem.Checked = false; this.全部循环ToolStripMenuItem.Checked = false; this.随机播放ToolStripMenuItem.Checked = false; private void 单曲播放ToolStripMenuItem_Click(object sender, EventArgs e) SingleLoop = true; AllLoop = false; noramal = false; RandomLoop = false; this.顺序播放ToolStripMenuItem.Checked = false; this.单曲播放ToolStripMenuItem.Checked = true; this.全部循环ToolStripMenuItem.Checked = false; this.随机播放ToolStripMenuItem.Checked = false; private void 全部循环ToolStripMenuItem_Click(object sender, EventArgs e) AllLoop = true; SingleLoop = false; noramal = false; RandomLoop = false; this.顺序播放ToolStripMenuItem.Checked = false; this.单曲播放ToolStripMenuItem.Checked = false; this.全部循环ToolStripMenuItem.Checked = true; this.随机播放ToolStripMenuItem.Checked = false; private void 随机播放ToolStripMenuItem_Click(object sender, EventArgs e) RandomLoop = true; SingleLoop = false; AllLoop = false; noramal = false; this.顺序播放ToolStripMenuItem.Checked = false; this.单曲播放ToolStripMenuIte