private void SftpUpload(string filename, string foldername3,string uppath) { string localpath=savepath+"\\"+foldername3+"\\"+filename; SFTPHelper SFTP = new SFTPHelper(UPserverIP, UPusername, UPpassword); try { SetText("成功连接服务器,尝试上传" + filename + "\r\n"); if (SFTP.Put(localpath, uppath+filename)) { SetText(filename + "上传成功\r\n"); SFTP.Disconnect(); } else { SetText(filename + "上传失败\r\n"); } } catch (Exception ex) { SetText("出现错误:" + ex.ToString() + "\r\n"); } }