C# FTP 自动创建目录/上传文件

//上传文件
public static Boolean FtpUpload(string ftpPath,string localFile)
{
//检查目录是否存在，不存在创建
FtpCheckDirectoryExist(ftpPath);
FileInfo fi = new FileInfo(localFile);
FileStream fs = fi.OpenRead();
long length = fs.Length;
FtpWebRequest req = (FtpWebRequest)WebRequest.Create(ftpServerIP + ftpPath + fi.Name);
req.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
req.Method = WebRequestMethods.Ftp.UploadFile;
req.ContentLength = length;
req.Timeout = 10 * 1000;
try
{
Stream stream = req.GetRequestStream();
int BufferLength = 2048; //2K
byte[] b = new byte[BufferLength];
int i;
while ((i = fs.Read(b, 0, BufferLength)) > 0)
{
stream.Write(b, 0, i);
}
stream.Close();
stream.Dispose();
}
catch (Exception e)
{
ErrLog(e.Message + e.StackTrace);
return false;
}
finally
{
fs.Close();
req.Abort();
}
req.Abort();
return true;
}

//判断文件的目录是否存,不存则创建
public static void FtpCheckDirectoryExist(string destFilePath)
{
string fullDir = FtpParseDirectory(destFilePath);
string[] dirs = fullDir.Split('/');
string curDir = "/";
for (int i = 0; i < dirs.Length; i++)
{
string dir = dirs[i];
//如果是以/开始的路径,第一个为空
if (dir != null && dir.Length > 0)
{
try
{
curDir += dir + "/";
FtpMakeDir(curDir);
}
catch (Exception)
{}
}
}
}

public static string FtpParseDirectory(string destFilePath)
{
return destFilePath.Substring(0, destFilePath.LastIndexOf("/"));
}

//创建目录
public static Boolean FtpMakeDir(string localFile)
{
FtpWebRequest req = (FtpWebRequest)WebRequest.Create(ftpServerIP + localFile);
req.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
req.Method = WebRequestMethods.Ftp.MakeDirectory;
try
{
FtpWebResponse response = (FtpWebResponse)req.GetResponse();
response.Close();
}
catch (Exception)
{
req.Abort();
return false;
}
req.Abort();
return true;
}