ASP.NET播放视频文件

///C#中的媒体播放类
using System;
namespace ConfigTools
{
/// <summary>
/// PlayClass 的摘要说明。
///原作CSDN,经本人稍加修改
/// </summary>
public class PlayClass
{
public PlayClass()
{
//
// TOD 在此处添加构造函数逻辑
//
}
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="\" mce_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 c