C# 音乐播放器

最新推荐文章于 2025-11-17 05:22:56 发布

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#c# #开发语言

功能预览

Step1.基本功能（选择/播放/暂停/停止）

功能预览

选择并导入音乐文件
双击一首，开始播放
播放/暂停键
停止键
上一首/下一首
静音
右键删除列表中的某首音乐/批量删除列表中的音乐
更改软件背景

Step1.基本功能（选择/播放/暂停/停止）

工具箱-Components-WindowsMediaPlayer,拖拽其到Form中，调整至合适大小
拖拽一个listBox，用于储存音乐列表；设置“选择”/“播放/暂停”/“停止”button
选择音乐功能

3.1

设置一个“打开文件窗口”，分别设置其初始打开地址/窗口名称/文件过滤器/多选选项

3.2

分别设置listPath和path数组

3.3

Ofd.FileName此属性返回选中文件全路径。适用选中一个文件，如果是多个文件就用 FileNames，用数组接收。用path接收文件名

3.4


用listPath接收文件的全路径，用path为listBox添加Items

3.5设置双击歌曲，将播放器的URL设置为此歌曲的全路径

musicPlayer.Ctlcontrols.play();

musicPlayer.Ctlcontrols.pause();

musicPlayer.Ctlcontrols.stop();

用于控制播放/暂停/停止

Step2.上一首/下一首

下一首
2. 上一首

Step3.右键删除音乐

Step4.更改软件背景图片

设置几个预选项的按钮

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.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
namespace MusicPlayer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        /*
        private void button1_Click(object sender, EventArgs e)
        {
            musicPlayer.Ctlcontrols.play();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            musicPlayer.Ctlcontrols.pause();
        }*/
        private void button3_Click(object sender, EventArgs e)
        {
            musicPlayer.Ctlcontrols.stop();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            //取消自动播放
            musicPlayer.settings.autoStart = false;
            BackgroundImage  = Image.FromFile("Media\\bk_moon.jpg");
        }

        bool b = true;
        private void btnPlayorPause_Click(object sender, EventArgs e)
        {
            if(btnPlayorPause .Text =="播放")
            {
                if(b==true)
                {
                    musicPlayer.URL=listPath[listBox1.SelectedIndex];
                }
                //获得选中歌曲,让音乐重头播放
                
                musicPlayer.Ctlcontrols.play();
                btnPlayorPause.Text = "暂停";
            }
            else if(btnPlayorPause.Text == "暂停")
            {
                musicPlayer.Ctlcontrols.pause();
                btnPlayorPause.Text = "播放";
                b = false;
            }

        }
        List<string> listPath = new List<string>();
        private void button4_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.InitialDirectory  = "D://";
            ofd.Filter ="音乐文件|*.wav|MP3文件|*.mp3|所有文件|*.*";
            ofd.Title = "请选择音乐文件";
            ofd.Multiselect = true;//允许多选 
            ofd.ShowDialog();
            //获得文本框中选择文件的全路径
            string[] path = ofd.FileNames;
            for(int i=0;i<path.Length;i++)
            {
                //将音乐文件的全路径存储到泛型集合中
                listPath.Add(path[i]);
                //将音乐文件名存储到Listbox中
                listBox1.Items.Add(Path.GetFileName( path[i]));                
            }
        }

        private void listBox1_DoubleClick(object sender, EventArgs e)
        {
            //双击播放
            if(listBox1 .Items .Count ==0)
            {
                MessageBox.Show("请先选择音乐");
                return;
            }
            try
            {
                musicPlayer.URL = listPath[listBox1.SelectedIndex];
                musicPlayer.Ctlcontrols.play();
                btnPlayorPause.Text = "暂停";
            }
            catch { }
            
        }

        private void btnGreen_Click(object sender, EventArgs e)
        {
            BackgroundImage = Image.FromFile("Media\\bk_couple.jpg");
        }

        private void btnRed_Click(object sender, EventArgs e)
        {
            BackgroundImage = Image.FromFile("Media\\bk_red.jpg");
        }

        private void btnBlue_Click(object sender, EventArgs e)
        {
            BackgroundImage = Image.FromFile("Media\\bk_moon.jpg");
        }

        private void btnBlack_Click(object sender, EventArgs e)
        {
            BackgroundImage = Image.FromFile("Media\\bk_mountain.jpg");
        }

   

        private void button1_Click_1(object sender, EventArgs e)
        {
            int index = listBox1.SelectedIndex;
            index--;
            if (index <0)
            {
                index = listBox1.Items.Count-1;
            }
            //将选中清空，下移
            listBox1.SelectedIndices.Clear();
            listBox1.SelectedIndex = index;


            musicPlayer.URL = listPath[index];
            musicPlayer.Ctlcontrols.play();
        }

        private void button2_Click_1(object sender, EventArgs e)
        {
            //点击下一曲
            //先获得当前索引
            int index = listBox1.SelectedIndex;
            index++;
            if(index ==listBox1 .Items .Count )
            {
                index = 0;
            }
            //将选中清空，下移
            listBox1.SelectedIndices.Clear();
            listBox1.SelectedIndex = index;


            musicPlayer.URL = listPath[index];
            musicPlayer.Ctlcontrols.play();
        }


    

        private void 删除ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //点击删除选中歌曲
            //列表中的选中项
            //ListPath也要删
            //先删集合再删列表
            //先获得要删除几首歌曲
            int count = listBox1.SelectedItems.Count;
            for(int i=0;i<count;i++)
            {
                listPath.RemoveAt(listBox1.SelectedIndex);
                //再删列表
                listBox1.Items.RemoveAt(listBox1.SelectedIndex);
            }
            
        }



        private void button5_Click(object sender, EventArgs e)
        {
            if (button5.Text == "+")
            {
                musicPlayer.settings .mute =true;
                button5.Text = "-";
                button5.BackColor = Color.Coral;
            }
            else if (button5.Text == "-")
            {
                musicPlayer.settings .mute=false;
                button5.Text = "+";
                button5.BackColor = Color.Aquamarine;
            }
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            //如果播放器的状态为正在播放中
            if(musicPlayer.playState ==WMPLib.WMPPlayState.wmppsPlaying)
            {               
                if(musicPlayer .currentMedia .durationString==musicPlayer .Ctlcontrols .currentPositionString )
                {
                    //点击下一曲
                    //先获得当前索引
                    int index = listBox1.SelectedIndex;
                    index++;
                    if (index == listBox1.Items.Count)
                    {
                        index = 0;
                    }
                    //将选中清空，下移
                    listBox1.SelectedIndices.Clear();
                    listBox1.SelectedIndex = index;


                    musicPlayer.URL = listPath[index];
                    musicPlayer.Ctlcontrols.play();
                }
            }
            
        }
    }
}