/// <summary>
/// SFTP操作类
/// </summary>
public class SFTPHelper
{
#region 字段或属性
private string pwd = string.Empty;
private SftpClient sftp;
/// <summary>
/// SFTP连接状态
/// </summary>
public bool Connected { get { return sftp.IsConnected; } }
#endregion
#region 构造
/// <summary>
/// 构造
/// </summary>
/// <param name="SFtpConfig"></param>
public SFTPHelper(SFTPConfig SFtpConfig)
{
//处理KeyBoard验证的解决方案
KeyboardInteractiveAuthenticationMethod kauth = new KeyboardInteractiveAuthenticationMethod(SFtpConfig.username);
PasswordAuthenticationMethod pauth = new PasswordAuthenticationMethod(SFtpConfig.username, SFtpConfig.pwd);
kauth.AuthenticationPrompt += new EventHandler<Renci.SshNet.Common.AuthenticationPromptEventArgs>(HandleKeyEvent);
ConnectionInfo connectionInfo = new ConnectionInfo(SFtpConfig.Server, SFtpConfig.port, SFtpConfig.username, pauth, kauth);
this.sftp = new SftpClient(connectionInfo);
this.pwd = SFtpConfig.pwd;
}
/// <summary>
/// 构造
/// </summary>
/// <param name="ip">IP</param>
/// <param name="port">端口</param>
/// <param name="user">用户名</param>
/// <param name="pwd">密码</param>
public SFTPHelper(string server, int port, string user, string pwd)
{
//处理KeyBoard验证的解决方案
KeyboardInteractiveAuthenticationMethod kauth = new KeyboardInteractiveAuthenticationMethod(user);
PasswordAuthenticationMethod pauth = new PasswordAuthenticationMethod(user, pwd);
kauth.AuthenticationPrompt += new EventHandler<Renci.SshNet.Common.AuthenticationPromptEventArgs>(HandleKeyEvent);
ConnectionInfo connectionInfo = new ConnectionInfo(server, port, user, pauth, kauth);
this.sftp = new SftpClient(connectionInfo);
this.pwd = pwd;
}
#endregion
//处理KeyBoard验证的解决方案
void HandleKeyEvent(Object sender, Renci.SshNet.Common.AuthenticationPromptEventArgs e)
{
foreach (Renci.SshNet.Common.AuthenticationPrompt prompt in e.Prompts)
if (prompt.Request.IndexOf("Password:", StringComparison.InvariantCultureIgnoreCase) != -1)
prompt.Response = this.pwd;
}
#region 连接SFTP
/// <summary>
/// 连接SFTP
/// </summary>
/// <returns>true成功</returns>
public bool Connect()
{
try
{
if (!Connected)
{
sftp.Connect();
}
return true;
}
catch (Exception ex)
{
//return false;
// TxtLog.WriteTxt(CommonMethod.GetProgramName(), string.Format("连接SFTP失败，原因：{0}", ex.Message));
throw new Exception(string.Format("连接SFTP失败，原因：{0}", ex.Message));
//连接SFTP失败，原因：An established connection was aborted by the software in your host machine.
}
}
#endregion
#region 断开SFTP
/// <summary>
/// 断开SFTP
/// </summary>
public void Disconnect()
{
try
{
if (sftp != null && Connected)
{
sftp.Disconnect();
}
}
catch (Exception ex)
{
// TxtLog.WriteTxt(CommonMethod.GetProgramName(), string.Format("断开SFTP失败，原因：{0}", ex.Message));
throw new Exception(string.Format("断开SFTP失败，原因：{0}", ex.Message));
}
}
#endregion
#region SFTP上传文件
/// <summary>
/// SFTP上传文件
/// </summary>
/// <param name="localPath">本地路径</param>
/// <param name="remotePath">远程路径</param>
public void Put(string localPath, string remotePath)
{
try
{
using (var file = File.OpenRead(localPath))
{
Connect();
sftp.UploadFile(file, remotePath);
Disconnect();
}
}
catch (Exception ex)
{
// TxtLog.WriteTxt(CommonMethod.GetProgramName(), string.Format("SFTP文件上传失败，原因：{0}", ex.Message));
throw new Exception(string.Format("SFTP文件上传失败，原因：{0}", ex.Message));
}
}
#endregion
#region SFTP获取文件
/// <summary>
/// SFTP获取文件
/// </summary>
/// <param name="remotePath">远程路径</param>
/// <param name="localPath">本地路径</param>
public void Get(string remotePath, string localPath)
{
try
{
Connect();
var byt = sftp.ReadAllBytes(remotePath);
Disconnect();
File.WriteAllBytes(localPath, byt);
}
catch (Exception ex)
{
// TxtLog.WriteTxt(CommonMethod.GetProgramName(), string.Format("SFTP文件获取失败，原因：{0}", ex.Message));
throw new Exception(string.Format("SFTP文件获取失败，原因：{0}", ex.Message));
}
}
#endregion
#region 删除SFTP文件
/// <summary>
/// 删除SFTP文件
/// </summary>
/// <param name="remoteFile">远程路径</param>
public void Delete(string remoteFile)
{
try
{
Connect();
sftp.Delete(remoteFile);
Disconnect();
}
catch (Exception ex)
{
// TxtLog.WriteTxt(CommonMethod.GetProgramName(), string.Format("SFTP文件删除失败，原因：{0}", ex.Message));
throw new Exception(string.Format("SFTP文件删除失败，原因：{0}", ex.Message));
}
}
#endregion
private int day(string name)
{
if (!name.Contains("_"))
return 0;
name = name.Split('_')[1];
if (name.Length < 8)
return 0;
name = name.Substring(0, 8);
DateTime start = DateTime.ParseExact(name, "yyyyMMdd", null);
DateTime end = Convert.ToDateTime(DateTime.Now.ToShortDateString());
TimeSpan sp = end.Subtract(start);
return sp.Days;
}
#region 获取SFTP文件列表
/// <summary>
/// 获取SFTP文件列表
/// </summary>
/// <param name="remotePath">远程目录</param>
/// <param name="fileSuffix">文件后缀</param>
/// <returns></returns>
public ArrayList GetFileList(string remotePath, string fileSuffix)
{
try
{
Connect();
var files = sftp.ListDirectory(remotePath);
Disconnect();
var objList = new ArrayList();
foreach (var file in files)
{
/*DateTime start = Convert.ToDateTime(file.LastWriteTime.ToShortDateString());
DateTime end = Convert.ToDateTime(DateTime.Now.ToShortDateString());
TimeSpan sp = end.Subtract(start);*/
string name = file.Name;
if (day(name) != 1)
continue;
if (name.Length > (fileSuffix.Length + 1) && fileSuffix == name.Substring(name.Length - fileSuffix.Length))
{
objList.Add(name);
}
}
return objList;
}
catch (Exception ex)
{
// TxtLog.WriteTxt(CommonMethod.GetProgramName(), string.Format("SFTP文件列表获取失败，原因：{0}", ex.Message));
throw new Exception(string.Format("SFTP文件列表获取失败，原因：{0}", ex.Message));
}
}
#endregion
#region 移动SFTP文件
/// <summary>
/// 移动SFTP文件
/// </summary>
/// <param name="oldRemotePath">旧远程路径</param>
/// <param name="newRemotePath">新远程路径</param>
public void Move(string oldRemotePath, string newRemotePath)
{
try
{
Connect();
sftp.RenameFile(oldRemotePath, newRemotePath);
Disconnect();
}
catch (Exception ex)
{
// TxtLog.WriteTxt(CommonMethod.GetProgramName(), string.Format("SFTP文件移动失败，原因：{0}", ex.Message));
throw new Exception(string.Format("SFTP文件移动失败，原因：{0}", ex.Message));
}
}
#endregion
public static int DownloadFtp(string filePath, string localPath, string fileName, string ftpServerIP, string ftpPort, string ftpUserID, string ftpPassword)
{
string localFileName = localPath + "/" + fileName;
string remoteFileName = filePath + "/" + fileName;
try
{
using (var sftp = new SftpClient(ftpServerIP, Convert.ToInt32(ftpPort), ftpUserID, ftpPassword))
{
sftp.Connect();
using (var file = File.OpenWrite(localFileName))
{
sftp.DownloadFile(remoteFileName, file);
}
sftp.Disconnect();
//Log.getInstace().WriteSysInfo("下载文件{localFileName}成功", "info");
Console.WriteLine("下载文件成功,文件路径：{localFileName}");
return 0;
}
}
catch (Exception e)
{
throw new Exception(string.Format("SFTP文件移动失败，原因：{0}", e.Message));
return -2;
}
}
}
/// <summary>
/// SFTP配置信息
/// </summary>
public class SFTPConfig
{
private string _server = string.Empty;
public string Server { get { return _server; } set { _server = value; } }
private int _port = 80;
public int port { get { return _port; } set { _port = value; } }
private string _username = string.Empty;
public string username { get { return _username; } set { _username = value; } }
private string _pwd = string.Empty;
public string pwd { get { return _pwd; } set { _pwd = value; } }
}
/*****************************************
调用上传SFTP数据
SFTPConfigString为账号等配置信息
LocalCsvFilePath本地要上传的文件地址
SFTPUpLoadCsvFilePath为SFTP虚拟目录
******************************************/
SFTPConfig SFTPConfig = JsonConvert.DeserializeObject<SFTPConfig>(SFTPConfigString);
SFTPHelper SFTPHelper = new SFTPHelper(SFTPConfig);
SFTPHelper.Put(LocalCsvFilePath, SFTPUpLoadCsvFilePath);
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