public ActionResult UploadDataNew()
{
if (Request.Files == null || Request.Files.Count == 0)
{
return(Json(new { type = false, message = "请选择文件" }, JsonRequestBehavior.AllowGet));
}
HttpPostedFileBase fileSave = Request.Files[0];
if (fileSave == null)
{
return(Json(new { success = false, message = "请选择文件" }, JsonRequestBehavior.AllowGet));
}
var instFile = new InstFile();
instFile.RefreshId();
instFile.ContentType = fileSave.ContentType;
var newName = instFile.Id + '.' + fileSave.FileName.Substring(fileSave.FileName.LastIndexOf('.') + 1).ToLower();
string uri = "ftp://10.0.0.25" + "/" + newName;
instFile.Name = fileSave.FileName;
instFile.Path = uri;
// 根据uri创建FtpWebRequest对象
var reqFtp = (FtpWebRequest)WebRequest.Create(new Uri(uri));
// ftp用户名和密码
reqFtp.Credentials = new NetworkCredential("shalu/jiajing.yang", "Passw0rd");
// 默认为true，连接不会被关闭
// 在一个命令之后被执行
reqFtp.KeepAlive = false;
// 指定执行什么命令
reqFtp.Method = WebRequestMethods.Ftp.UploadFile;
// 指定数据传输类型
reqFtp.UseBinary = true;
// 上传文件时通知服务器文件的大小
reqFtp.ContentLength = fileSave.ContentLength;
byte[] buff = new byte[fileSave.ContentLength];
// 把上传的文件写入流
Stream strm = reqFtp.GetRequestStream();
strm.Write(buff, 0, buff.Length);
strm.Close();
InstFileRp.Insert(instFile);
return(Json(new { type = true, fileId = instFile.Id }, JsonRequestBehavior.AllowGet));
}
public ActionResult Download(string fileId)
{
var file = InstFileRp.Get(fileId);
if (file == null)
{
return(null);
}
var uri = (FileAddress.StartsWith("ftp://") ? FileAddress : "ftp://" + FileAddress) + "/" + file.Path;
var reqFtp = (FtpWebRequest)WebRequest.Create(new Uri(uri));
reqFtp.Method = WebRequestMethods.Ftp.DownloadFile;
reqFtp.UseBinary = true;
reqFtp.Credentials = new NetworkCredential(FileAccount, FilePassword);
FtpWebResponse response = (FtpWebResponse)reqFtp.GetResponse();
Stream ftpStream = response.GetResponseStream();
return(File(ftpStream, file.ContentType, file.Name));
}