可以根据视频格式来调用WMP活real player，在IE浏览器可以正常播放，在火狐就没反应了。当然它可以播放本地和Internet上的视频文件。
代码：
<%@ page contentType="text/html;charset=GBK" %><html><head><title>在JSP中调用ActiveX控件播放媒体文件</title></head><body><% String fileName = "C://TDDOWNLOAD//日本群星.-.[第56回红白歌合战.第2部_21：30-23：45].演唱会.(DVDRip).avi"; if(fileName.matches("//w+//.rm$")) {%><object width="512" height="400" classid="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA"> <param name="CONTROLS" value="ImageWindow"> <param name="CONSOLE" value="Video"> <param name="CENTER" value="TRUE"> <param name="MAINTAINSPECT" value="TRUE"></object><br><object width="512" height="30" classid="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA"> <param name="CONTROLS" value="ControlPanel"> <param name="CONSOLE" value="Video"> <param name="SRC" value="<%out.print(fileName);%>"> <param name="AUTOSTART" value="TRUE"> <param name="PREFETCH" value="0"> <param name="LOOP" value="0"> <param name="NUMLOOP" value="0"></object><br><object width="512" height="20" classid="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA"> <param name="CONTROLS" value="StatusBar"> <param name="CONSOLE" value="Video"></object><% }else{%><object align=middle classid=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95 class=OBJECT id=MediaPlayer width=384 height=348 > <param name=ShowStatusBar value=1> <param name=Filename value="<%out.print(fileName);%>"></object><% }%></body></html>
