static public string UpLoad(FtpFile ftpfile, string localfile)
{
string requestUriString = "ftp://" + FtpIp + ftpfile.FilePath;
FtpCheckDirectoryExist(ftpfile.FilePath);
string path = localfile;
if (!File.Exists(path))
{
return("文件'" + path + "'不存在！");
}
FileInfo info = new FileInfo(path);
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(requestUriString);
request.Credentials = new NetworkCredential(FtpUserName, FtpUserPwd);
request.KeepAlive = false;
request.Method = "STOR";
request.UseBinary = true;
request.ContentLength = info.Length;
int count = 0x800;
byte[] buffer = new byte[count];
FileStream stream = info.OpenRead();
try
{
Stream requestStream = request.GetRequestStream();
for (int i = stream.Read(buffer, 0, count); i != 0; i = stream.Read(buffer, 0, count))
{
requestStream.Write(buffer, 0, i);
}
requestStream.Close();
stream.Close();
return("文件'" + info.Name + "'上传成功！\r\n");
}
catch (Exception exception)
{
return("上传文件'" + info.Name + "'时，发生错误：" + exception.Message + "\r\n");
}
}
static public string DownLoad(FtpFile ftpfile, string outputpath)
{
Stream responseStream = null;
FileStream stream2 = null;
FtpWebResponse response = null;
string message;
try
{
if (ftpfile != null)
{
string ftpPath = "ftp://" + FtpIp + ftpfile.FilePath;
string outPutDir = Path.GetDirectoryName(outputpath);
if (!Directory.Exists(outPutDir))
{
Directory.CreateDirectory(outPutDir);
}
stream2 = new FileStream(outputpath, FileMode.Create);
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(new Uri(ftpPath));
request.Method = "RETR";
request.UseBinary = true;
request.KeepAlive = false;
request.Credentials = new NetworkCredential(FtpUserName, FtpUserPwd);
response = (FtpWebResponse)request.GetResponse();
responseStream = response.GetResponseStream();
byte[] buffer = new byte[0x800];
if (responseStream != null)
{
for (int i = responseStream.Read(buffer, 0, 0x800); i > 0; i = responseStream.Read(buffer, 0, 0x800))
{
stream2.Write(buffer, 0, i);
}
responseStream.Close();
}
stream2.Close();
response.Close();
return("下载成功");
}
message = "没有需要下载的文件";
}
catch (Exception exception)
{
message = exception.Message;
}
finally
{
if (responseStream != null)
{
responseStream.Close();
}
if (stream2 != null)
{
stream2.Close();
}
if (response != null)
{
response.Close();
}
}
return(message);
}