/// <summary>
/// Auslösen des FtpProgressChanged-Events bei Änderung des Kopierstatus einer Datei
/// </summary>
/// <param name="e">FTP Copy Event Argumente</param>
protected virtual void OnFtpProgressChanged(FtpProgressEventArgs e)
{
FtpProgressEventHandler handler = FtpProgressChanged;
if (handler != null)
{
handler(this, e);
}
}
/// <summary>
/// FTP上传
/// </summary>
/// <param name="fileFullname">文件地址</param>
/// <param name="ftpServerIP">ftp ip</param>
/// <param name="ftpUserID">ftp用户名</param>
/// <param name="ftpPassword">ftp密码</param>
/// <param name="ftpProgress">回调方法</param>
/// <returns>结果是否成功</returns>
public static bool UploadFtp(string fileFullname, string ftpServerIP, string ftpUserID, string ftpPassword, FtpProgressEventHandler ftpProgress)
{
FileInfo fileInf = new FileInfo(fileFullname);
long contentLength = fileInf.Length;
long offset = 0;
string uri = "ftp://" + ftpServerIP + "/" + fileInf.Name;
FtpWebRequest reqFTP;
// Create FtpWebRequest object from the Uri provided
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/" + fileInf.Name));
try
{
// Provide the WebPermission Credintials
reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);
// By default KeepAlive is true, where the control connection is not closed
// after a command is executed.
reqFTP.KeepAlive = false;
// Specify the command to be executed.
reqFTP.Method = WebRequestMethods.Ftp.UploadFile;
// Specify the data transfer type.
reqFTP.UseBinary = true;
// Notify the server about the size of the uploaded file
reqFTP.ContentLength = contentLength;
// The buffer size is set to 2kb
int buffLength = 1024 * 5;
byte[] buff = new byte[buffLength];
int contentLen;
// Opens a file stream (System.IO.FileStream) to read the file to be uploaded
//FileStream fs = fileInf.OpenRead();
FileStream fs = fileInf.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
// Stream to which the file to be upload is written
Stream strm = reqFTP.GetRequestStream();
// Read from the file stream 2kb at a time
contentLen = fs.Read(buff, 0, buffLength);
// Till Stream content ends
while (contentLen != 0)
{
offset += contentLen;
// Write Content from the file stream to the FTP Upload Stream
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
if (ftpProgress != null)
{
ftpProgress(contentLength, offset, Math.Round((decimal)(offset * 100 / contentLength), 4));
}
}
// Close the file stream and the Request Stream
strm.Close();
fs.Close();
return(true);
}
catch (Exception ex)
{
reqFTP.Abort();
return(false);
}
}
