/// <summary>
/// SFTP获取文件
/// </summary>
/// <param name="path">远程路径</param>
/// <param name="remotePath">文件集合</param>
/// <param name="localPath">本地路径</param>
public void Get(string path, List <object> remotePath, string localPath)
{
try
{
Connect();
foreach (string item in remotePath)
{
var byt = sftp.ReadAllBytes(PathHelper.MergeUrl(path, item));
Task.Run(() => { File.WriteAllBytes(PathHelper.MergeUrl(localPath, item), byt); });
}
Disconnect();
}
catch (Exception ex)
{
throw new Exception(string.Format("SFTP文件获取失败，原因：{0}", ex.Message));
}
}
///// <summary>
///// 新建目录
///// </summary>
///// <param name="ftpIp">FTP服务器地址</param>
///// <param name="ftpPath">目录名</param>
///// <param name="ftpUser">FTP服务器用户名</param>
///// <param name="ftpPassword">FTP服务器用户密码</param>
public static void MakeDir(string ftpIp, string ftpPath, string ftpUser, string ftpPassword)
{
string fullDir = FtpParseDirectory(PathHelper.MergeUrl(ftpPath, String.Empty));
string[] dirs = fullDir.Split('/');
string curDir = "/";
foreach (var dir in dirs)
{
//如果是以/开始的路径,第一个为空
if (dir != null && dir.Length > 0)
{
try
{
curDir += dir + "/";
FtpMakeDir(ftpIp, curDir, ftpUser, ftpPassword);
}
catch (Exception)
{ }
}
}
}
public static byte[] DownLoadFile(string ftpPath, string fileName, string ftpUser, string ftpPassword, string savePath = "")
{
try
{
FileStream outputStream = null;
if (!string.IsNullOrEmpty(savePath))
{
outputStream = new FileStream(savePath, FileMode.Create);
}
FtpWebRequest reqFTP;
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(PathHelper.MergeUrl(ftpPath, fileName)));
reqFTP.Credentials = new NetworkCredential(ftpUser, ftpPassword);
reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
reqFTP.UseBinary = true;
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
long cl = response.ContentLength;
int bufferSize = 2048;
int readCount;
byte[] buffer = new byte[bufferSize];
readCount = ftpStream.Read(buffer, 0, bufferSize);
while (readCount > 0)
{
outputStream?.Write(buffer, 0, readCount);
readCount = ftpStream.Read(buffer, 0, bufferSize);
}
ftpStream.Close();
outputStream?.Close();
response.Close();
return(buffer);
}
catch (Exception ex)
{
Logger.LogInfo($"DownLoadFile Error {ex.Message}");
throw new Exception(ex.Message);
}
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="filestream">文件流</param>
/// <param name="filename">文件名</param>
/// <param name="ftpPath">文件路径</param>
/// <param name="ftpUser">FTP服务器用户名</param>
/// <param name="ftpPassword">FTP服务器用户密码</param>
public static void UpLoadFile(byte[] filestream, string filename, string ftpPath, string ftpUser, string ftpPassword)
{
if (string.IsNullOrEmpty(filename))
{
throw new ArgumentNullException("filename is empty");
}
if (ftpUser == null)
{
ftpUser = "";
}
if (ftpPassword == null)
{
ftpPassword = "";
}
//if (!File.Exists(localFile))
//{
// //MyLog.ShowMessage("文件：“" + localFile + "” 不存在！");
// return;
//}
FtpWebRequest ftpWebRequest = null;
MemoryStream localFileStream = null;
Stream requestStream = null;
try
{
ftpWebRequest = (FtpWebRequest)FtpWebRequest.Create(PathHelper.MergeUrl(ftpPath, filename));
ftpWebRequest.Credentials = new NetworkCredential(ftpUser, ftpPassword);
ftpWebRequest.UseBinary = true;
ftpWebRequest.KeepAlive = false;
ftpWebRequest.Method = WebRequestMethods.Ftp.UploadFile;
ftpWebRequest.ContentLength = filestream.Length;
int buffLength = 4096;
byte[] buff = new byte[buffLength];
int contentLen;
//localFileStream = new FileInfo(localFile).OpenRead();
localFileStream = new MemoryStream(filestream);
requestStream = ftpWebRequest.GetRequestStream();
contentLen = localFileStream.Read(buff, 0, buffLength);
while (contentLen != 0)
{
requestStream.Write(buff, 0, contentLen);
contentLen = localFileStream.Read(buff, 0, buffLength);
}
}
catch (Exception ex)
{
Logger.LogInfo($"ftp upload failed :{ex}");
throw ex;
//MyLog.ShowMessage(ex.Message, "FileUpLoad0001");
}
finally
{
if (requestStream != null)
{
requestStream.Close();
}
if (localFileStream != null)
{
localFileStream.Close();
}
}
}