C# .NET FTP上傳文件夾操作

#region 上傳文件
/// <summary>
/// 上傳文件
/// </summary>
/// <param name="localFile">要上傳到FTP服務器的文件</param>
/// <param name="ftpPath"></param>
public static void UpLoadFile(string localFile, string ftpPath, string ftpUser, string ftpPassword)
{
if (ftpUser == null)
{
ftpUser = "";
}
if (ftpPassword == null)
{
ftpPassword = "";
}

if (!File.Exists(localFile))
{
MyLog.ShowMessage("文件：“" + localFile + "” 不存在！");
return;
}

FtpWebRequest ftpWebRequest = null;
FileStream localFileStream = null;
Stream requestStream = null;
try
{
ftpWebRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpPath));
ftpWebRequest.Credentials = new NetworkCredential(ftpUser, ftpPassword);
ftpWebRequest.UseBinary = true;
ftpWebRequest.KeepAlive = false;
ftpWebRequest.Method = WebRequestMethods.Ftp.UploadFile;
ftpWebRequest.ContentLength = localFile.Length;
int buffLength = 4096;
byte[] buff = new byte[buffLength];
int contentLen;
localFileStream = new FileInfo(localFile).OpenRead();
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)
{
MyLog.ShowMessage(ex.Message, "FileUpLoad0001");
}
finally
{
if (requestStream != null)
{
requestStream.Close();
}
if (localFileStream != null)
{
localFileStream.Close();
}
}
}
#endregion

 

#region 上傳文件夾
/// <summary>
/// 獲取目錄下的詳細信息
/// </summary>
/// <param name="localDir">本機目錄</param>
/// <returns></returns>
private static List<List<string>> GetDirDetails(string localDir)
{
List<List<string>> infos = new List<List<string>>();
try
{
infos.Add(Directory.GetFiles(localDir).ToList()); //獲取當前目錄的文件

infos.Add(Directory.GetDirectories(localDir).ToList()); //獲取當前目錄的目錄

for (int i = 0; i < infos[0].Count; i++)
{
int index = infos[0][i].LastIndexOf(@"\");
infos[0][i] = infos[0][i].Substring(index + 1);
}
for (int i = 0; i < infos[1].Count; i++)
{
int index = infos[1][i].LastIndexOf(@"\");
infos[1][i] = infos[1][i].Substring(index + 1);
}
}
catch (Exception ex)
{
ex.ToString();
}
return infos;
}

/// <summary>
/// 上傳整個目錄
/// </summary>
/// <param name="localDir">要上傳的目錄的上一級目錄</param>
/// <param name="ftpPath">FTP路徑</param>
/// <param name="dirName">要上傳的目錄名</param>
/// <param name="ftpUser">FTP用戶名（匿名為空）</param>
/// <param name="ftpPassword">FTP登錄密碼（匿名為空）</param>
public static void UploadDirectory(string localDir, string ftpPath, string dirName, string ftpUser, string ftpPassword)
{
if (ftpUser == null)
{
ftpUser = "";
}
if (ftpPassword == null)
{
ftpPassword = "";
}

string dir = localDir + dirName + @"\"; //獲取當前目錄（父目錄在目錄名）

if (!Directory.Exists(dir))
{
MyLog.ShowMessage("目錄：“" + dir + "” 不存在！");
return;
}

if (!CheckDirectoryExist(ftpPath,dirName))
{
MakeDir(ftpPath, dirName);
}

 

List<List<string>> infos = GetDirDetails(dir); //獲取當前目錄下的所有文件和文件夾

//先上傳文件
MyLog.ShowMessage(dir + "下的文件數：" + infos[0].Count.ToString());
for (int i = 0; i < infos[0].Count; i++)
{
Console.WriteLine(infos[0][i]);
UpLoadFile(dir + infos[0][i], ftpPath + dirName + @"/" + infos[0][i], ftpUser, ftpPassword);
}
//再處理文件夾
MyLog.ShowMessage(dir + "下的目錄數：" + infos[1].Count.ToString());
for (int i = 0; i < infos[1].Count; i++)
{
UploadDirectory(dir, ftpPath + dirName + @"/", infos[1][i], ftpUser, ftpPassword);
}
}

 

/// <summary>
/// 新建目錄
/// </summary>
/// <param name="ftpPath"></param>
/// <param name="dirName"></param>
public static void MakeDir(string ftpPath, string dirName)
{
try
{
//實例化FTP連接
FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpPath + dirName));
//指定FTP操作類型為創建目錄
request.Method = WebRequestMethods.Ftp.MakeDirectory;
//獲取FTP服務器的響應
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
response.Close();
}
catch (Exception ex)
{
MyLog.ShowMessage(ex.Message, "MakeDir");
}
}

/// <summary>
/// 檢查目錄是否存在
/// </summary>
/// <param name="ftpPath">要檢查的目錄的上一級目錄</param>
/// <param name="dirName">要檢查的目錄名</param>
/// <returns>存在返回true，否則false</returns>
public static bool CheckDirectoryExist(string ftpPath,string dirName)
{
bool result = false;
try
{
//實例化FTP連接
FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpPath));
//指定FTP操作類型為創建目錄
request.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
//獲取FTP服務器的響應
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.Default);

StringBuilder str = new StringBuilder();
string line = sr.ReadLine();
while (line != null)
{
str.Append(line);
str.Append("|");
line = sr.ReadLine();
}
string[] datas = str.ToString().Split('|');

for (int i = 0; i < datas.Length; i++)
{
if (datas[i].Contains("<DIR>"))
{
int index = datas[i].IndexOf("<DIR>");
string name = datas[i].Substring(index + 5).Trim();
if (name==dirName)
{
result = true;
break;
}
}
}

sr.Close();
sr.Dispose();
response.Close();
}
catch (Exception ex)
{
MyLog.ShowMessage(ex.Message, "MakeDir");
}
return result;
}

 

調用：

//FTP地址
string ftpPath = @"Ftp://192.168.1.68:21/";
//本機要上傳的目錄的父目錄
string localPath = @"D:\";
//要上傳的目錄名
string fileName = @"haha";
FTPClient.UploadDirectory(localPath, ftpPath, fileName, "", "");