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----  播放器  (http://bbs.145829.com/dispbbs.asp?boardid=8&id=250)
--  作者：admin
--  发布时间：2009/9/15 10:32:54
--  播放器

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

/// <summary>
/// Summary description for playmedia
/// </summary>
public class playmedia
{
public playmedia()
{
//
// TODO: Add constructor logic here
//
}
      public string Play(string url,int width,int height)
     {
    string strTmp = url.ToLower();
    if(strTmp.EndsWith(".wmv")||strTmp.EndsWith(".mp3")||strTmp.EndsWith(".wma")||strTmp.EndsWith(".avi")||strTmp.EndsWith(".asf")||strTmp.EndsWith(".mpg"))
    {
    return wmv(url,width, height);
    }
    else if(strTmp.EndsWith(".mp3"))
    {
    return mp3(url,width,height);
    }
    else if(strTmp.EndsWith(".swf"))
    {
    return swf(url,width, height);
    }
    else if(strTmp.EndsWith(".jpg")||strTmp.EndsWith(".gif"))
    {
    return img(url,width, height);
    }
    else if(strTmp.EndsWith(".rm"))
    {
    return rm(url,width, height);
    }

    else
    {
    return "数据错误";
    }   
    }


/// <summary>
/// wmv格式文件播放
/// </summary>
/// <param name="url"></param>
/// <returns></returns>

private string wmv(string url, int width, int height)
{
    System.Text.StringBuilder sb = new System.Text.StringBuilder();   

    sb.Append("<object id=\\"WMPlay\\" style=\\"WIDTH: "+width+"px;height:"+height+"px\\" \\n");
    sb.Append("classid=\\"CLSID:6BF52A52-394A-11D3-B153-00C04F79FAA6\\" type=application/x-oleobject standby=\\"Loading Windows Media Player components...\\"");
    sb.Append("codebase=\\"downloads/mediaplayer9.0_cn.exe\\" VIEWASTEXT>\\n");
    sb.Append("<param name=\\"URL\\" value=\'"+url+"\'>\\n");
    sb.Append("<param name=\\"controls\\" value=\\"ControlPanel,StatusBa\\">");
    //<PARAM NAME="CONTROLS" VALUE="ControlPanel,StatusBar">
    sb.Append("<param name=\\"hidden\\" value=\\"1\\">");
    sb.Append("<param name=\\"ShowControls\\" VALUE=\\"0\\">");
    sb.Append("<param name=\\"rate\\" value=\\"1\\">\\n");
    sb.Append("<param name=\\"balance\\" value=\\"0\\">\\n");
    sb.Append("<param name=\\"currentPosition\\" value=\\"-1\\">\\n");
    sb.Append("<param name=\\"defaultFrame\\" value=\\"\\">\\n");
    sb.Append("<param name=\\"playCount\\" value=\\"100\\">\\n");
    sb.Append("<param name=\\"autoStart\\" value=\\"-1\\">\\n");
    sb.Append("<param name=\\"currentMarker\\" value=\\"0\\">\\n");
    sb.Append("<param name=\\"invokeURLs\\" value=\\"-1\\">\\n");
    sb.Append("<param name=\\"baseURL\\" value=\\"\\">\\n");
    sb.Append("<param name=\\"volume\\" value=\\"85\\">\\n");
    sb.Append("<param name=\\"mute\\" value=\\"0\\">\\n");
    sb.Append("<param name=\\"uiMode\\" value=\\"mini\\">\\n");
    sb.Append("<param name=\\"stretchToFit\\" value=\\"0\\">\\n");
    sb.Append("<param name=\\"windowlessVideo\\" value=\\"0\\">\\n");
    sb.Append("<param name=\\"enabled\\" value=\\"-1\\">\\n");
    sb.Append("<param name=\\"enableContextMenu\\" value=\\"false\\">\\n");
    sb.Append("<param name=\\"fullScreen\\" value=\\"0\\">\\n");
    sb.Append("<param name=\\"SAMIStyle\\" value=\\"\\">\\n");
    sb.Append("<param name=\\"SAMILang\\" value=\\"\\">\\n");
    sb.Append("<param name=\\"SAMIFilename\\" value=\\"\\">\\n");
    sb.Append("<param name=\\"captioningID\\" value=\\"\\">\\n");
    sb.Append("</object><br/>\\n");

    return sb.ToString();
}

private string wma(string url,int width, int height)
{
    System.Text.StringBuilder sb = new System.Text.StringBuilder();
  
    sb.Append("<object id=\\"WMPlay\\" classid=\\"clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95\\" style=\\"Z-INDEX: 101; LEFT: 40px; WIDTH: 240px; POSITION: absolute; TOP: 32px; HEIGHT: 248px\\" >");
    sb.Append("<param name=\\"Filename\\" value=\\""+url+"\\">");
    sb.Append("<param name=\\"PlayCount\\" value=\\"1\\">");
    sb.Append("<param name=\\"AutoStart\\" value=\\"0\\">");
    sb.Append("<param name=\\"ClickToPlay\\" value=\\"1\\">");
    //sb.Append("<param name=\\"DisplaySize\\" value=\\"0\\">");
    sb.Append("<param name=\\"EnableFullScreen Controls\\" value=\\"1\\">");
    sb.Append("<param name=\\"ShowAudio Controls\\" value=\\"1\\">");
    sb.Append("<param name=\\"EnableContext Menu\\" value=\\"1\\">");
    sb.Append("<param name=\\"ShowDisplay\\" value=\\"1\\">");
  
    sb.Append("</object>");

    return sb.ToString();

}
/// <summary>
/// avi格式文件播放
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
private string avi(string url,int width, int height)
{
    System.Text.StringBuilder sb = new System.Text.StringBuilder();
  
    sb.Append("<object id=\\"WMPlay\\" width=\\"400\\" height=\\"200\\" border=\\"0\\" classid=\\"clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA\\">");
    sb.Append("<param name=\\"ShowDisplay\\" value=\\"0\\">");
    sb.Append("<param name=\\"ShowControls\\" value=\\"1\\">");
    sb.Append("<param name=\\"AutoStart\\" value=\\"1\\">");
    sb.Append("<param name=\\"AutoRewind\\" value=\\"0\\">");
    sb.Append("<param name=\\"PlayCount\\" value=\\"0\\">");
    sb.Append("<param name=\\"Appearance value=\\"0 value=\\"\\"\\">");
    sb.Append("<param name=\\"BorderStyle value=\\"0 value=\\"\\"\\">");
    sb.Append("<param name=\\"MovieWindowHeight\\" value=\\"240\\">");
    sb.Append("<param name=\\"MovieWindowWidth\\" value=\\"320\\">");
    sb.Append("<param name=\\"FileName\\" value=\\""+url+"\\">");
    sb.Append("</object>");

    return sb.ToString();
}

private string rm(string url, int width, int height)
{
      System.Text.StringBuilder sb = new System.Text.StringBuilder();
      sb.Append("<OBJECT ID=\\"WMPlay\\" codebase=\\"downloads/RealPlayer10-5GOLD_cn0302.exe\\" CLASSID=\\"clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA\\" HEIGHT=" + height + " WIDTH=" + width + ">");
      sb.Append("<param name=\\"SRC\\" value=\\"" + url + "\\">");
      //sb.Append("<param name=\\"_ExtentX\\" value=\\"9313\\">");
      //sb.Append("<param name=\\"_ExtentY\\" value=\\"7620\\">");
      sb.Append("<param name=\\"AUTOSTART\\" value=\\"0\\">");
      sb.Append("<param name=\\"SHUFFLE\\" value=\\"0\\">");
      sb.Append("<param name=\\"PREFETCH\\" value=\\"0\\">");
      sb.Append("<param name=\\"NOLABELS\\" value=\\"0\\">");
      sb.Append("<param name=\\"CONTROLS\\" value=\\"ImageWindow,ControlPanel,statusbar\\">");
      sb.Append("<param name=\\"CONSOLE\\" value=\\"Clip1\\">");
      sb.Append("<param name=\\"LOOP\\" value=\\"0\\">");
      sb.Append("<param name=\\"NUMLOOP\\" value=\\"0\\">");
      sb.Append("<param name=\\"CENTER\\" value=\\"0\\">");
      sb.Append("<param name=\\"MAINTAINASPECT\\" value=\\"0\\">");
      sb.Append("<param name=\\"BACKGROUNDCOLOR\\" value=\\"#000000\\">");
      //sb.Append("<embed SRC type=\\"audio/x-pn-realaudio-plugin\\" CONSOLE=\\"Clip1\\" CONTROLS=\\"ImageWindow\\" HEIGHT=\\"250\\" WIDTH=\\"354\\" AUTOSTART=\\"false\\">");
      sb.Append("</OBJECT>");

      return sb.ToString();
}
}
--  作者：admin
--  发布时间：2009/9/15 10:33:08
--  

在论坛上找到的类,比较好用


playmedia pcplay = new playmedia();
playMediaLabel.Text = pcplay.Play("xxx.wmv", 450, 360);

/* 程序控制媒体播放器，可控制宽度和高度
      输入参数：媒体文件，帧宽度，帧高度
      用法：Label_MediaPlayer.Text = PlayMedia(MediaFile, Width, Height)
    */

public string PlayMedia(string MediaFile , int FrameWidth,int FrameHeight)
{
      string Str;
      Str = "<object Id=\'nstv\' codeBase=\'";
      Str += "http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab";
      Str += "#Version=5,1,52,701\' type=\'application/x-oleobject\' ";
      Str += "height=\'";
      Str += FrameHeight;
      Str += "\' stanDby=\'Loading Microsoft Windows Media Player components...\' ";
      Str += "Width=\'";
      Str += FrameWidth;
      Str += "\' align=\'mIddle\' ";
      Str += "cssclassId=\'CLSId:22d6f312-b0f6-11d0-94ab-0080c74c7e95\' ";
      Str += "VIEWASTEXT>";
      Str += "<PARAM NAME=\'AudioStream\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'AutoSize\' VALUE=\'1\'>";
      Str += "<PARAM NAME=\'AutoStart\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'AnimationAtStart\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'AllowScan\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'AllowChangeDisplaySize\' VALUE=\'1\'>";
      Str += "<PARAM NAME=\'AutoRewind\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'Balance\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'BaseURL\' VALUE=\'\'>";
      Str += "<PARAM NAME=\'BufferingTime\' VALUE=\'5\'>";
      Str += "<PARAM NAME=\'CaptioningId\' VALUE=\'\'>";
      Str += "<PARAM NAME=\'ClickToPlay\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'CursorType\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'CurrentPosition\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'CurrentMarker\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'defaultFrame\' VALUE=\'\'>";
      Str += "<PARAM NAME=\'DisplayBackColor\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'DisplayForeColor\' VALUE=\'16777215\'>";
      Str += "<PARAM NAME=\'DisplayMode\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'DisplaySize\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'Enabled\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'EnableContextMenu\' VALUE=\'true\'>";
      Str += "<PARAM NAME=\'EnablePositionControls\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'EnableFullScreenControls\' VALUE=\'1\'>";
      Str += "<PARAM NAME=\'EnableTracker\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'Filename\' VALUE=\'";
      Str += MediaFile;
      Str += "\'>";
      Str += "<PARAM NAME=\'InvokeURLs\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'Language\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'Mute\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'PlayCount\' VALUE=\'1\'>";
      Str += "<PARAM NAME=\'PreviewMode\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'Rate\' VALUE=\'1\'>";
      Str += "<PARAM NAME=\'SAMILang\' VALUE=\'\'>";
      Str += "<PARAM NAME=\'SAMIStyle\' VALUE=\'\'>";
      Str += "<PARAM NAME=\'SAMifileName\' VALUE=\'\'>";
      Str += "<PARAM NAME=\'SelectionStart\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'Selection} //\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'S} //OpenStateChangeEvents\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'S} //WarningEvents\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'S} //ErrorEvents\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'S} //KeyboardEvents\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'S} //MouseClickEvents\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'S} //MouseMoveEvents\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'S} //PlayStateChangeEvents\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'ShowCaptioning\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'ShowControls\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'ShowAudioControls\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'ShowDisplay\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'ShowGotoBar\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'ShowPositionControls\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'ShowStatusBar\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'ShowTracker\' VALUE=\'-1\'>";
      Str += "<PARAM NAME=\'TransparentAtStart\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'VIdeoBorderWidth\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'VIdeoBorderColor\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'VIdeoBorder3D\' VALUE=\'0\'>";
      Str += "<PARAM NAME=\'Volume\' VALUE=\'-600\'>";
      Str += "<PARAM NAME=\'WindowlessVIdeo\' VALUE=\'0\'>";
      Str += "</object>";
      return Str;
}