se.Clear(); Response.AddHeader("買粉絲ntent-disposition","attachment;filename="+Server.UrlEn買粉絲de(fileInfo.Name.ToString())); Response.AddHeader("買粉絲ntent-length",fileInfo.Length.ToString()); Response.ContentType = "application/octet-stream"; Response.ContentEn買粉絲ding = System.Text.En買粉絲ding.Default; Response.WriteFile(fileURL); 無錯版: try ...{ FullFileName = Server.MapPath(FileName); //FileName--要下載的文件名 FileInfo DownloadFile= new FileInfo(FullFileName); if(DownloadFile.Exists) ...{ Response.Clear(); Response.ClearHeaders(); Response.Buffer=false; Response.ContentType="application/octet-stream"; Response.AppendHeader("Content-Disposition","attachment;filename=" +HttpUtility.UrlEn買粉絲de(DownloadFile.FullName,System.Text.En買粉絲ding.ASCII)); Response.AppendHeader("Content-Length",DownloadFile.Length.ToString()); Response.WriteFile(DownloadFile.FullName); Response.Flush(); Response.End(); } else ...{ //文件不存在 } } catch ...{ //文件不存在 }

為什么Chrome Youtube Downloader 2.6.20不能下載帶音頻的視頻

因為YouTube 現在已經默認使用HTML5了

WebM格式的視頻是直接通過 HTML5 播放的

而且它可以提供更高的質量 和性能

所以你可以理解成是HTML5 格式的視頻