ftp服务器PDF文件在线查看的实现方法

using System.Net;public FileStreamResult GetStreaem(string path){var reqFtp = (FtpWebRequest)WebRequest.Create(new Uri(path));reqFtp.Method = WebRequestMethods.Ftp.DownloadFile;reqFtp.UseBinary = true;//reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);reqFtp.UsePassive = false; //选择主动还是被动模式 , 这句要加上的。reqFtp.KeepAlive = false;//一定要设置此属性，否则一次性下载多个文件的时候，会出现异常。var response = (FtpWebResponse)reqFtp.GetResponse();var ftpStream = response.GetResponseStream();return File(ftpStream, "application/pdf", "ib70guide.pdf");}