Asp.Net 音频文件上传和播放代码

一、音频文件上传和播放

  在网上找到一个名叫AspNetPager的第三方控件,将AspNetPager.dll文件引用到项目的Bin中。在网页中可直接调用。引用命名空间 using Telerik.WebControls;

  >>上传

  

复制代码 代码如下:

  protected void Button1_Click(object sender, EventArgs e)

  {

  foreach (UploadedFile file in RadUploadContext.Current.UploadedFiles)

  {

  if (file.FileName != null && file.FileName != "")

  {

  string strTime = memberid.ToString() + "-" + DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString() + DateTime.Now.Minute.ToString() + DateTime.Now.Millisecond.ToString();

  string namefile = file.FileName;//获取文件原来的名字

  string namelast = namefile.Substring(namefile.LastIndexOf("."));//获取文件的后缀名,LastIndexOf()-返回括号内字符的所在位置

  string FilePath = System.AppDomain.CurrentDomain.BaseDirectory + @"SaveFilePath/MBmusic/";//文件上传的路径

  System.IO.FileInfo fi = new System.IO.FileInfo(file.FileName);

  if (fi.Extension.ToLower() == ".mp3" || fi.Extension.ToLower() == ".wma" || fi.Extension.ToLower() == ".rm" || fi.Extension.ToLower() == ".wav")

  {

  string name = strTime + namelast;//文件最后保存的名字

  mv = "http://www.cnblogs.com/SaveFilePath/MBmusic/" + name;

  Filesizes = int.Parse(file.ContentLength.ToString());

  string path = FilePath + name;

  if (File.Exists(path) == false)

  {

  file.SaveAs(FilePath + name);

  mf.MF_Path = mv;

  //mf.MF_Path = mv;

  }

  else if (File.Exists(path) == true)

  {

  name = strTime + "(" + tt + ")" + namelast;

  file.SaveAs(FilePath + name);

  mv = "http://www.cnblogs.com/SaveFilePath/MBmusic/" + name;

  mf.MF_Path = mv;

  //mf.MF_Path = mv;

  }

  if (RemainByteSize >= Filesizes)

  {

  try

  {

  //将数据插入数据库

  if (addnum > 0 && udpsize > 0)

  {

  //Response.Write("<script>alert('上传成功!!')</script>");

  //Bind();

  }

  else

  {

  Response.Write("<script>alert('上传失败!!')</script>");

  return;

  }

  num++;

  }

  catch { }

  }

  else

  {

  Response.Write("<script>alert('空间不足,请申请空间!!')</script>");

  return;

  }

  }

  else

  {

  Response.Write("<script>alert('上传文件格式错误! 文件格式为mp3,wma,wav.rm的视频!')</script>");

  return;

  }

  }

  else

  {

  Response.Write("<script>alert('请选择上传的文件')</script>");

  return;

  }

  }

  }

  >>播放

  1、在播放页面添加控件Literal1 控件

  2、在页面后台添加调用音频播放器代码

  

复制代码 代码如下:

  public static string GetFlashText(string url)

  {

  string str = @"<object id='MediaPlayer' classid='clsid:6BF52A52-394A-11D3-B153-00C04F79FAA6' height='62' width='406'>

  <param name='rate' value='1' />

  <param name='balance' value='0' />

  <param name='currentPosition' value='0' />

  <param name='defaultFrame' value='' />

  <param name='playCount' value='1' />

  <param name='autoStart' value='-1' />

  <param name='currentMarker' value='0' />

  <param name='invokeURLs' value='-1' />

  <param name='baseURL' value='' />

  <param name='volume' value='2' />

  <param name='mute' value='0' />

  <param name='uiMode' value='full' />

  <param name='stretchToFit' value='0' />

  <param name='windowlessVideo' value='0' />

  <param name='enabled' value='-1' />

  <param name='enableContextMenu' value='0' />

  <param name='fullScreen' value='0' />

  <param name='SAMIStyle' value='' />

  <param name='SAMILang' value='' />

  <param name='SAMIFilename' value='' />

  <param name='captioningID' value='' />

  <param name='enableErrorDialogs' value='0' />

  <param name='_cx' value='10742' />

  <param name='_cy' value='1799' />

  <param name='URL' value='"+url+"'/></object>";

  return str;

  }

  3、调用GetFlashText()方法

  

复制代码 代码如下:

  public void BindMusic()

  {

  if (mfid != 0)

  {

  DataSet dst = mf.Search(mfid);

  if (dst != null && dst.Tables[0].Rows.Count > 0)

  {

  string url = dst.Tables[0].Rows[0]["MF_Path"].ToString();

  string[] strs = url.Split(new char[] { '/' });

  string mvname = strs[strs.Length - 1];

  string url1 = "SaveFilePath/MBmv/" + mvname;

  Literal1.Text = GetFlashText(url);//Literal1调用方法播放音频

  Label1.Text = dst.Tables[0].Rows[0]["MF_FileName"].ToString();

  //txt_FileName.Text = dst.Tables[0].Rows[0]["MF_FileName"].ToString();

  //txt_introduction.Text = dst.Tables[0].Rows[0]["MF_Introduction"].ToString();

  }

  }

  }