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(206,{      "Content-Range":"bytes " + begin + "-" + end + "/" +total, "Accept-Ranges":"bytes",         "Content-Length":chunksize, "Content-Type":"new/mp4"   });   stream.pipe(res);});