功能
实现音乐播放器的基本功能，可以选择文件播放，也可以拖拉文件播放。 本项目中，使用的是.wav文件。
程序
代码语言：javascript复制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; //Path类用到
using System.Media; //SoundPlayer命名空间
namespace player
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
List<string> listsongs = new List<string>(); //用来存储音乐文件的全路径
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Title = "请选择音乐文件"; //打开对话框的标题
ofd.InitialDirectory = @"F:music"; //设置打开对话框的初始设置目录
ofd.Multiselect = true; //设置多选
ofd.Filter = @"音乐文件|*.mp3||*.wav|所有文件|*.*"; //设置文件格式筛选
ofd.ShowDialog(); //显示打开对话框
string[] pa_th = ofd.FileNames; //获得在文件夹中选择的所有文件的全路径
for (int i = 0; i < pa_th.Length;i )
{
listBox1.Items.Add(Path.GetFileName(pa_th[i])); //将音乐文件的文件名加载到listBox中
listsongs.Add(pa_th[i]); //将音乐文件的全路径存储到泛型集合中
}
}
SoundPlayer sp = new SoundPlayer();
private void listBox1_DoubleClick(object sender, EventArgs e)
{
SoundPlayer sp = new SoundPlayer();
sp.SoundLocation = listsongs[listBox1.SelectedIndex];
sp.Play();
}
private void button2_Click(object sender, EventArgs e)
{
int index = listBox1.SelectedIndex; //获得当前选中歌曲的索引
index--;
if (index <0)
{
index = listBox1.Items.Count-1;
}
listBox1.SelectedIndex = index; //将改变后的索引重新赋值给我当前选中项的索引
sp.SoundLocation = listsongs[index];
sp.Play();
}
private void button3_Click(object sender, EventArgs e)
{
int index = listBox1.SelectedIndex; //获得当前选中歌曲的索引
index ;
if (index==listBox1.Items.Count)
{
index = 0;
}
listBox1.SelectedIndex = index; //将改变后的索引重新赋值给我当前选中项的索引
sp.SoundLocation = listsongs[index];
sp.Play();
}
private void Form1_DragEnter(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop)) e.Effect = DragDropEffects.Link;
else e.Effect = DragDropEffects.None;
}
private void Form1_DragDrop(object sender, DragEventArgs e)
{
string[] filePath = (string[])e.Data.GetData(DataFormats.FileDrop);
foreach (string file in filePath)
{
//file就是单个文件路径
SoundPlayer sp = new SoundPlayer();
sp.SoundLocation = file;
sp.Play();
// MessageBox.Show(file);
}
}
private void button4_Click(object sender, EventArgs e)
{
SoundPlayer sp = new SoundPlayer();
if (listBox1.SelectedIndex > 0)
sp.SoundLocation = listsongs[listBox1.SelectedIndex];
sp.Play();
}
private void groupBox2_Enter(object sender, EventArgs e)
{
}
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
}
}
}
