先在項目中引用 Renci.SshNet.dll (點擊下載)
創建 SFTPHelper.cs 類
代碼:
using Renci.SshNet;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CheatingTransmitterCalibration
{
/*
* 此類爲sftp連接操作類
* 使用方法:引用SshNet文件夾下的Renci.SshNet.dll文件,以及此類文件,即可使用
*/
public class SFTPOperation
{
#region 字段或屬性
private SftpClient sftp;
/// <summary>
/// SFTP連接狀態
/// </summary>
public bool Connected { get { return sftp.IsConnected; } }
#endregion
#region 構造
/// <summary>
/// 構造
/// </summary>
/// <param name="ip">IP</param>
/// <param name="port">端口</param>
/// <param name="user">用戶名</param>
/// <param name="pwd">密碼</param>
public SFTPOperation(string ip, string port, string user, string pwd)
{
sftp = new SftpClient(ip, Int32.Parse(port), user, pwd);
}
#endregion
#region 連接SFTP
/// <summary>
/// 連接SFTP
/// </summary>
/// <returns>true成功</returns>
public bool Connect()
{
try
{
if (!Connected)
{
sftp.Connect();
}
return true;
}
catch (Exception ex)
{
throw new Exception(string.Format("連接SFTP失敗,原因:{0}", ex.Message));
}
}
#endregion
#region 斷開SFTP
/// <summary>
/// 斷開SFTP
/// </summary>
public void Disconnect()
{
try
{
if (sftp != null && Connected)
{
sftp.Disconnect();
}
}
catch (Exception ex)
{
throw new Exception(string.Format("斷開SFTP失敗,原因:{0}", ex.Message));
}
}
#endregion
#region SFTP上傳文件
/// <summary>
/// SFTP上傳文件
/// </summary>
/// <param name="localPath">本地路徑</param>
/// <param name="remotePath">遠程路徑</param>
public int Put(string localPath, string remotePath)
{
try
{
using (var file = File.OpenRead(localPath))
{
Connect();
sftp.UploadFile(file, remotePath);
Disconnect();
}
return 1;
}
catch (Exception ex)
{
//throw new Exception(string.Format("SFTP文件上傳失敗,原因:{0}", ex.Message));
return 0;
}
}
#endregion
#region SFTP獲取文件
/// <summary>
/// SFTP獲取文件
/// </summary>
/// <param name="remotePath">遠程路徑</param>
/// <param name="localPath">本地路徑</param>
public void Get(string remotePath, string localPath)
{
try
{
Connect();
var byt = sftp.ReadAllBytes(remotePath);
Disconnect();
File.WriteAllBytes(localPath, byt);
}
catch (Exception ex)
{
throw new Exception(string.Format("SFTP文件獲取失敗,原因:{0}", ex.Message));
}
}
#endregion
#region 刪除SFTP文件
/// <summary>
/// 刪除SFTP文件
/// </summary>
/// <param name="remoteFile">遠程路徑</param>
public void Delete(string remoteFile)
{
try
{
Connect();
sftp.Delete(remoteFile);
Disconnect();
}
catch (Exception ex)
{
throw new Exception(string.Format("SFTP文件刪除失敗,原因:{0}", ex.Message));
}
}
#endregion
#region 獲取SFTP文件列表
/// <summary>
/// 獲取SFTP文件列表
/// </summary>
/// <param name="remotePath">遠程目錄</param>
/// <param name="fileSuffix">文件後綴</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)
{
string name = file.Name;
if (name.Length > (fileSuffix.Length + 1) && fileSuffix == name.Substring(name.Length - fileSuffix.Length))
{
objList.Add(name);
}
}
return objList;
}
catch (Exception ex)
{
throw new Exception(string.Format("SFTP文件列表獲取失敗,原因:{0}", ex.Message));
}
}
#endregion
#region 移動SFTP文件
/// <summary>
/// 移動SFTP文件
/// </summary>
/// <param name="oldRemotePath">舊遠程路徑</param>
/// <param name="newRemotePath">新遠程路徑</param>
public void Move(string oldRemotePath, string newRemotePath)
{
try
{
Connect();
sftp.RenameFile(oldRemotePath, newRemotePath);
Disconnect();
}
catch (Exception ex)
{
throw new Exception(string.Format("SFTP文件移動失敗,原因:{0}", ex.Message));
}
}
#endregion
}
}