上传
SFTP，第一次听说，还以为是公司自己搞得一个东东呢，google了一下，原来是一种FTP协议，是可信任的FTP，类似于HTTPS协议。
这次项目就是要将一些数据文件打包通过SFTP传到德国的Server，所以中途是需要加密传输的，即通过SFTP进行数据的上传动作。
找了一个开源的东东，PSFTP，是一个绿色EXE档，C#中控制也很方便，于是自己封装了一下方便自己的应用。
PSFTP的命令是典型的Unix命令，很简单易懂 ，下面是其基本的命令：
C#中使用Process调用该EXE实现FTP的上传，参数如下：
C#中调用方式如下：
Upload#region Upload
/**//// <summary>
/// Upload the files/// </summary>
/// <returns>output of the plugin during its running in console</returns>public string Upload()...{ string outPutMessage = ""; string scriptLocation = ""; //Create Script File scriptLocation = this.CreateScriptFile(); Begin for ProcessStartInfo#region Begin for ProcessStartInfo //Run the Upload event ProcessStartInfo processInfo = new ProcessStartInfo(); //Set the Shell Command(the plugins' path) processInfo.FileName = this.m_ShellCommand; //Don't show console window processInfo.CreateNoWindow = true; //don't use shell to execute this script processInfo.UseShellExecute = false; //Open Process Error Output processInfo.RedirectStandardError = true; //Open Process Input processInfo.RedirectStandardInput = true; //Open Process Output processInfo.RedirectStandardOutput = true; //Get process arguments string arguments = ""; arguments += this.m_UserID + "" + this.m_ServerName + " "; //Login Server with specified userid arguments += "-pw " + this.m_Password + " "; //Login with specified password arguments += "-P " + this.m_Port + " "; //Connect to specified port arguments += "-b " + scriptLocation + " "; //use specified batchfile arguments += "-be"; //don't stop batchfile processing if errors processInfo.Arguments = arguments; #endregion //Create new Process Process process = new Process(); try ...{ //Start execute the ProcessStartInfo process.StartInfo = processInfo; //Run the process process.Start(); //Input "y" for the psftp's first login prompt //Just for the security information process.StandardInput.WriteLine("y"); //Get the return message from process(Error and Output information) //This message will be logged to file for debug! outPutMessage += process.StandardOutput.ReadToEnd(); outPutMessage += process.StandardError.ReadToEnd(); //Wait for the process exit process.WaitForExit(); //Close all the modules opened process.Close(); process.Dispose(); //Delete the script file File.Delete(scriptLocation); return outPutMessage; } catch(Exception ex) ...{ process.Dispose(); //Delete the script file File.Delete(scriptLocation); throw new Exception("Error occured during upload file to remote server!",ex); }}
#endregion
CreateScriptFile#region CreateScriptFile/**//// <summary>/// Create Batch Script File/// </summary>/// <returns>file full path</returns>private string CreateScriptFile()...{ StreamWriter fileStream; string scriptLocation = ""; //Get the Batch Script to execute StringBuilder sbdScript = new StringBuilder(); //Redirect to the default remote location sbdScript.Append("cd " + this.m_RemoteLocation + Environment.NewLine); //Upload files foreach(object file in this.m_UploadFiles) ...{ sbdScript.Append("put " + (string)file + Environment.NewLine); } //Close the session sbdScript.Append("quit"); //Save the Script to templocation scriptLocation = this.m_TempLocation + "" + System.Guid.NewGuid().ToString() + ".scr"; try ...{ fileStream = new StreamWriter(scriptLocation); fileStream.Write(sbdScript.ToString()); fileStream.Close(); } catch(Exception ex) ...{ fileStream = null; throw new Exception("Error occured during create script file!",ex); } return scriptLocation;}#endregion
