使用Node.js将视频文件流式传输到HTML5视频播放器，以便视频控件继续工作

stream = fs.createReadStream(path);
stream.on('open', function () {
   res.writeHead(两06,{
      "Content-Range":"bytes " + begin + "-" + end + "/" +total, "Accept-Ranges":"bytes",
         "Content-Length":chunksize, "Content-Type":"new/mp4"
   });
   stream.pipe(res);
});