NIMA_1981
دوشنبه 08 فروردین 1390, 01:28 صبح
دوست من یک مقدار بیشترتوضیح بدی شاید بهتر بشه کمک کرد
/// <summary>
/// Methods to upload file to FTP Server
/// </summary>
/// <param name="_FileName">local source file name</param>
/// <param name="_UploadPath">Upload FTP path including Host name</param>
/// <param name="_FTPUser">FTP login username</param>
/// <param name="_FTPPass">FTP login password</param>
void UploadFile(System::String ^_FileName, System::String ^_UploadPath, System::String ^_FTPUser, System::String ^_FTPPass)
{
System::IO::FileInfo ^_FileInfo = gcnew System::IO::FileInfo(_FileName);
// Create FtpWebRequest object from the Uri provided
System::Net::FtpWebRequest ^_FtpWebRequest = safe_cast<System::Net::FtpWebRequest^>(System::Net::FtpWebRequest::Create(gcnew Uri(_UploadPath)));
// Provide the WebPermission Credintials
_FtpWebRequest->Credentials = gcnew System::Net::NetworkCredential(_FTPUser, _FTPPass);
// By default KeepAlive is true, where the control connection is not closed
// after a command is executed.
_FtpWebRequest->KeepAlive = false;
// set timeout for 20 seconds
_FtpWebRequest->Timeout = 20000;
// Specify the command to be executed.
_FtpWebRequest->Method = System::Net::WebRequestMethods::Ftp.UploadFile;
// Specify the data transfer type.
_FtpWebRequest->UseBinary = true;
// Notify the server about the size of the uploaded file
_FtpWebRequest->ContentLength = _FileInfo->Length;
// The buffer size is set to 2kb
int buffLength = 2048;
array<System::Byte> ^buff = gcnew array<System::Byte>(buffLength);
// Opens a file stream (System.IO.FileStream) to read the file to be uploaded
System::IO::FileStream ^_FileStream = _FileInfo->OpenRead();
try
{
// Stream to which the file to be upload is written
System::IO::Stream ^_Stream = _FtpWebRequest->GetRequestStream();
// Read from the file stream 2kb at a time
int contentLen = _FileStream->Read(buff, 0, buffLength);
// Till Stream content ends
while (contentLen != 0)
{
// Write Content from the file stream to the FTP Upload Stream
_Stream->Write(buff, 0, contentLen);
contentLen = _FileStream->Read(buff, 0, buffLength);
}
// Close the file stream and the Request Stream
_Stream->Close();
delete _Stream;
_FileStream->Close();
delete _FileStream;
}
catch (Exception ^ex)
{
MessageBox::Show(ex->Message, "Upload Error", MessageBoxButtons::OK, MessageBoxIcon::Error);
}
}
// Upload file using FTP
UploadFile("c:\\UploadFile.doc", "ftp://FTPHostName/UploadPath/UploadFile.doc", "UserName", "Password");