Question

我想作一个MP3在线播放,用:C#如何作呢?

我想作一个MP3在线播放(在线试听的那种),用:C#如何作呢?
能给个简单的例子最好!
谢谢!!

Answer 1

推荐使用JS+HTML实现 效果很好。

Answer 2

实例我发给你，我做过一个。只是你的分给的有点少了。我的QQ5857471需要的话加我QQ，我传给你，下面是代码。
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Drawing2D;

namespace WinApp
{
using System.Drawing;
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Form1 : Form
{
private Image img;
private bool slatOut=false;
private System.ComponentModel.IContainer components;
private Timer time1 = new Timer();

private Rectangle rect = new Rectangle(100,100,130,70);
private System.Windows.Forms.PictureBox Playing;
private System.Windows.Forms.PictureBox Circle;
private System.Windows.Forms.PictureBox CDAudio;
private System.Windows.Forms.PictureBox smBut;
private System.Windows.Forms.PictureBox stopBut;

Point pt = new Point(200,100);

private bool blnMoving = false;
private int MouseDownX;
private System.Windows.Forms.Label disp;
private System.Windows.Forms.Button Ex;
private int MouseDownY;
private bool playFlg=false;

private ArrayList imgList = new ArrayList();
private System.Windows.Forms.Label tm;
private System.Windows.Forms.PictureBox animatPicture;
private int cnt = -1;
public Form1()
{
time1.Interval = 100;
time1.Enabled = true;
time1.Tick += new EventHandler(time1_Tick);

img = new Bitmap("mediaPlayer.jpg");

//
// Required for Windows Form Designer support
//
InitializeComponent();

this.CDAudio.Image = System.Drawing.Bitmap.FromFile("CDAudio.jpg");
this.Playing.Image = System.Drawing.Bitmap.FromFile("PlayingUp.jpg");
this.Circle.Image = System.Drawing.Bitmap.FromFile("Circle.jpg");
this.smBut.Image = System.Drawing.Bitmap.FromFile("buttonNormal.jpg");
this.stopBut.Image = System.Drawing.Bitmap.FromFile("stopButNormal.jpg");

Application.ApplicationExit += new EventHandler(Form_OnExit);

// Application.AddMessageFilter(msgFilter);
}

private void Form_OnExit(object sender, EventArgs evArgs)
{
}

/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}

#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.CDAudio = new System.Windows.Forms.PictureBox();
this.smBut = new System.Windows.Forms.PictureBox();
this.Circle = new System.Windows.Forms.PictureBox();
this.Ex = new System.Windows.Forms.Button();
this.stopBut = new System.Windows.Forms.PictureBox();
this.Playing = new System.Windows.Forms.PictureBox();
this.disp = new System.Windows.Forms.Label();
this.tm = new System.Windows.Forms.Label();
this.animatPicture = new System.Windows.Forms.PictureBox();
this.SuspendLayout();
//
// CDAudio
//
this.CDAudio.Location = new System.Drawing.Point(16, 120);
this.CDAudio.Name = "CDAudio";
this.CDAudio.Size = new System.Drawing.Size(88, 40);
this.CDAudio.TabIndex = 4;
this.CDAudio.TabStop = false;
this.CDAudio.Click += new System.EventHandler(this.pictureBox1_Click);
this.CDAudio.MouseEnter += new System.EventHandler(this.CDAudio_MouseEnter);
this.CDAudio.MouseLeave += new System.EventHandler(this.CDAudio_MouseLeave);
//
// smBut
//
this.smBut.Location = new System.Drawing.Point(464, 104);
this.smBut.Name = "smBut";
this.smBut.Size = new System.Drawing.Size(16, 32);
this.smBut.TabIndex = 6;
this.smBut.TabStop = false;
this.smBut.Click += new System.EventHandler(this.smBut_Click);
this.smBut.MouseEnter += new System.EventHandler(this.smBut_MouseEnter);
this.smBut.MouseLeave += new System.EventHandler(this.smBut_MouseLeave);
//
// Circle
//
this.Circle.Location = new System.Drawing.Point(104, 200);
this.Circle.Name = "Circle";
this.Circle.Size = new System.Drawing.Size(72, 64);
this.Circle.TabIndex = 3;
this.Circle.TabStop = false;
this.Circle.Click += new System.EventHandler(this.Circle_Click);
this.Circle.MouseEnter += new System.EventHandler(this.Circle_MouseEnter);
this.Circle.MouseLeave += new System.EventHandler(this.Circle_MouseLeave);
//
// Ex
//
this.Ex.BackColor = System.Drawing.Color.LightGray;
this.Ex.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.Ex.ForeColor = System.Drawing.Color.Black;
this.Ex.Location = new System.Drawing.Point(456, 16);
this.Ex.Name = "Ex";
this.Ex.Size = new System.Drawing.Size(18, 16);
this.Ex.TabIndex = 5;
this.Ex.Text = "X";
this.Ex.Click += new System.EventHandler(this.button1_Click_1);
this.Ex.MouseEnter += new System.EventHandler(this.Ex_MouseEnter);
this.Ex.MouseLeave += new System.EventHandler(this.Ex_MouseLeave);
//
// stopBut
//
this.stopBut.Location = new System.Drawing.Point(176, 224);
this.stopBut.Name = "stopBut";
this.stopBut.Size = new System.Drawing.Size(32, 48);
this.stopBut.TabIndex = 7;
this.stopBut.TabStop = false;
this.stopBut.Click += new System.EventHandler(this.stopBut_Click);
this.stopBut.MouseEnter += new System.EventHandler(this.stopBut_MouseEnter);
this.stopBut.MouseLeave += new System.EventHandler(this.stopBut_MouseLeave);
//
// Playing
//
this.Playing.Location = new System.Drawing.Point(16, 72);
this.Playing.Name = "Playing";
this.Playing.Size = new System.Drawing.Size(88, 40);
this.Playing.TabIndex = 2;
this.Playing.TabStop = false;
this.Playing.Click += new System.EventHandler(this.Playing_Click);
this.Playing.MouseEnter += new System.EventHandler(this.Playing_MouseEnter);
this.Playing.MouseLeave += new System.EventHandler(this.Playing_MouseLeave);
//
// disp
//
this.disp.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.disp.BackColor = System.Drawing.Color.Black;
this.disp.ForeColor = System.Drawing.Color.Lime;
this.disp.Location = new System.Drawing.Point(224, 216);
this.disp.Name = "disp";
this.disp.Size = new System.Drawing.Size(200, 21);
this.disp.TabIndex = 8;
//
// tm
//
this.tm.BackColor = System.Drawing.Color.Black;
this.tm.ForeColor = System.Drawing.Color.FromArgb(((System.Byte)(128)), ((System.Byte)(255)), ((System.Byte)(128)));
this.tm.Location = new System.Drawing.Point(376, 216);
this.tm.Name = "tm";
this.tm.Size = new System.Drawing.Size(92, 21);
this.tm.TabIndex = 9;
//
// animatPicture
//
this.animatPicture.BackColor = System.Drawing.Color.Black;
this.animatPicture.Location = new System.Drawing.Point(164, 46);
this.animatPicture.Name = "animatPicture";
this.animatPicture.Size = new System.Drawing.Size(292, 158);
this.animatPicture.TabIndex = 10;
this.animatPicture.TabStop = false;
this.animatPicture.Tag = ((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.BackColor = System.Drawing.Color.Silver;
this.ClientSize = new System.Drawing.Size(852, 731);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.animatPicture,
this.tm,
this.disp,
this.stopBut,
this.smBut,
this.Ex,
this.CDAudio,
this.Circle,
this.Playing});
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
this.TransparencyKey = System.Drawing.Color.Silver;
this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseDown);
this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseUp);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form_Paint);
this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseMove);
this.ResumeLayout(false);

}
#endregion

/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}

private void Form_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
Rectangle mainRect = new Rectangle(0, 0, 695, 278);
Region mainRegion = new Region(mainRect);
e.Graphics.SetClip(mainRegion, CombineMode.Replace);

Point point1 = new Point(0, 32);
Point point2 = new Point(9, 20);
Point point3 = new Point(21, 13);
Point point4 = new Point(34, 9);

// Create an array of the points.
Point[] curvePoints = { point1, point2, point3, point4 };

// Create a GraphicsPath object and add a curve.
GraphicsPath myPath = new GraphicsPath();
myPath.AddCurve(curvePoints, 0, 3, 0.8f);
myPath.AddLine(36, 9, 378, 9);

point1.X=378;point1.Y=9;
point2.X=387;point2.Y=5;
point3.X=394;point3.Y=0;
Point[] curvePoints2 = { point1, point2, point3 };
myPath.AddCurve(curvePoints2, 0, 2, 0.8f);

myPath.AddLine(394, 0, 0, 0);

Region ExcludeRegion3 = new Region(myPath);
e.Graphics.ExcludeClip(ExcludeRegion3);

//left bottom
GraphicsPath myPath3 = new GraphicsPath();
point1.X=0;point1.Y=180;
point2.X=19;point2.Y=198;
point3.X=62;point3.Y=204;
point4.X=83;point4.Y=221;
Point point5 = new Point(93, 248);
Point point6 = new Point(102, 267);
Point point7 = new Point(125, 278);
Point[] curvePoints3 = { point1, point2, point3, point4, point5, point6, point7 };
myPath3.AddCurve(curvePoints3, 0, 6, 0.8f);
myPath3.AddLine(125, 278, 90, 300);
myPath3.AddLine(90, 300, 0, 300);
Region ExcludeRegion2 = new Region(myPath3);
e.Graphics.ExcludeClip(ExcludeRegion2);

point1.X=454;point1.Y=0;
point2.X=470;point2.Y=12;
point3.X=481;point3.Y=34;
Point[] curvePoints4 = { point1, point2, point3 };
GraphicsPath myPath2 = new GraphicsPath();
myPath2.AddCurve(curvePoints4, 0, 2, 0.8f);

myPath2.AddLine(481, 30, 481, 76);
myPath2.AddLine(481, 76, 495, 76);
myPath2.AddLine(495, 76, 495, 0);
Region ExcludeRegion4 = new Region(myPath2);
e.Graphics.ExcludeClip(ExcludeRegion4);

// right side
GraphicsPath myPath5 = new GraphicsPath();
point1.X=481;point1.Y=76;
point2.X=494;point2.Y=115;
point3.X=481;point3.Y=158;
Point[] curvePoints5 = { point1, point2, point3 };
myPath5.AddCurve(curvePoints5, 0, 2, 0.8f);
myPath5.AddLine(481, 158, 481, 279);
myPath5.AddLine(481, 255, 495, 279);
myPath5.AddLine(495, 279, 495, 0);

Region ExcludeRegion6 = new Region(myPath5);
e.Graphics.ExcludeClip(ExcludeRegion6);

point1.X=480;point1.Y=250;
point2.X=469;point2.Y=264;
point3.X=446;point3.Y=278;
Point[] curvePoints6 = { point1, point2, point3 };
GraphicsPath myPath4 = new GraphicsPath();
myPath4.AddCurve(curvePoints6, 0, 2, 0.8f);

myPath4.AddLine(450, 277, 495, 279);

Region ExcludeRegion5 = new Region(myPath4);

e.Graphics.ExcludeClip(ExcludeRegion5);

e.Graphics.DrawImage(img, 0, 0, 495,278);

// Reset clipping region to infinite.
e.Graphics.ResetClip();
}
private void button1_Click(object sender, System.EventArgs e)
{
Application.Exit();
}

private void Playing_MouseEnter(object sender, System.EventArgs e)
{
this.Playing.Image = System.Drawing.Bitmap.FromFile("PlayingOver.jpg");
disp.Text = "Play Mode";
}
private void Circle_MouseEnter(object sender, System.EventArgs e)
{
this.Circle.Image = System.Drawing.Bitmap.FromFile("CircleOver.jpg");
if(playFlg)
disp.Text = "Play ...";
else
disp.Text = "Start Play";
}

private void Circle_MouseLeave(object sender, System.EventArgs e)
{
this.Circle.Image = System.Drawing.Bitmap.FromFile("Circle.jpg");
disp.Text = "";
if(playFlg)
disp.Text = "Play ...";
}

private void pictureBox1_Click(object sender, System.EventArgs e)
{
this.Playing.Image = System.Drawing.Bitmap.FromFile("PlayingUp.jpg");

}

private void Playing_Click(object sender, System.EventArgs e)
{
this.CDAudio.Image = System.Drawing.Bitmap.FromFile("CDAudio.jpg");
}

private void CDAudio_MouseEnter(object sender, System.EventArgs e)
{
this.CDAudio.Image = System.Drawing.Bitmap.FromFile("CDOver.jpg");
disp.Text = "Select CD";
}

private void CDAudio_MouseLeave(object sender, System.EventArgs e)
{
this.CDAudio.Image = System.Drawing.Bitmap.FromFile("CDAudio.jpg");
disp.Text = "";
if(playFlg)
disp.Text = "Play ...";
}

private void Playing_MouseLeave(object sender, System.EventArgs e)
{
this.Playing.Image = System.Drawing.Bitmap.FromFile("PlayingUp.jpg");
disp.Text = "";
if(playFlg)
disp.Text = "Play ...";
}

private void button1_Click_1(object sender, System.EventArgs e)
{
Application.Exit();
}

private void smBut_Click(object sender, System.EventArgs e)
{
Invalidate();
}

private void smBut_MouseEnter(object sender, System.EventArgs e)
{
smBut.Image = System.Drawing.Bitmap.FromFile("buttonOver2.jpg");
disp.Text = "Hi .... from Jibin Pan";
}

private void smBut_MouseLeave(object sender, System.EventArgs e)
{
smBut.Image = System.Drawing.Bitmap.FromFile("buttonNormal.jpg");
disp.Text = "";
if(playFlg)
disp.Text = "Play ...";
}

private void stopBut_MouseEnter(object sender, System.EventArgs e)
{
stopBut.Image = System.Drawing.Bitmap.FromFile("stopButOver.jpg");
disp.Text = "Stop Play";
}

private void stopBut_MouseLeave(object sender, System.EventArgs e)
{
stopBut.Image = System.Drawing.Bitmap.FromFile("stopButNormal.jpg");
disp.Text = "";
if(playFlg)
disp.Text = "Play ...";
}

public void Form1_MouseMove(object sender, MouseEventArgs e)
{
if( blnMoving )
{
Point temp = new Point(0,0);

temp.X = this.Location.X + (e.X - MouseDownX);
temp.Y = this.Location.Y + (e.Y - MouseDownY);
this.Location = temp;
}
}

private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
blnMoving = true;
MouseDownX = e.X;
MouseDownY = e.Y;
}
}

private void Form1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
blnMoving = false;
}

private void Ex_MouseEnter(object sender, System.EventArgs e)
{
disp.Text = "Exit";
}

private void Ex_MouseLeave(object sender, System.EventArgs e)
{
disp.Text = "";
if(playFlg)
disp.Text = "Play ...";
}

private void Circle_Click(object sender, System.EventArgs e)
{
disp.Text = "Play ...";
playFlg = true;
for ( int i = 1; i < 9; i++ )
imgList.Add( Image.FromFile( "hotc" + i + ".jpg" ) );
animatPicture.Image = (Image) imgList[ 0 ];
}
private void time1_Tick(object sender, EventArgs e)
{
DateTime t = DateTime.Now;
tm.Text = t.ToLongTimeString();
cnt = ( cnt + 1 ) % 15;
animatPicture.Image = ( Image )imgList[ cnt ];
}

private void stopBut_Click(object sender, System.EventArgs e)
{
playFlg = false;
imgList.Clear();
}
}
}

Answer 3

水边