下载文件
/// <summary>
/// 下载文件
/// </summary>
/// <param name="filename"></param>
private static void DownLoadFile(string filename)
{
FtpWebRequest req = (FtpWebRequest)WebRequest.Create("ftp://" + FtpAddress + "/" + filename);
req.Method = WebRequestMethods.Ftp.DownloadFile;
req.UseBinary = true;
req.UsePassive = true;
req.Credentials = new NetworkCredential(FtpUid, FtpPwd);
try
{
using (FtpWebResponse res = (FtpWebResponse)req.GetResponse())
{
string localfile = Path.Combine(LocalPath, filename);
FileStream fs = new FileStream(localfile, FileMode.Create, FileAccess.Write);
int buffer = ; //1K缓冲
byte[] b = new byte[buffer];
int i = ;
Stream stream = res.GetResponseStream();
while ((i = stream.Read(b, , buffer)) > )
{
fs.Write(b, , i);
}
}
Console.WriteLine(filename + " download!");
Log(filename + "下载成功"); }
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
Log(ex.ToString());
}
finally
{ }
}
获取文件列表
/// <summary>
/// 获取FTP文件列表
/// </summary>
/// <returns></returns>
private static List<String> GetFileList()
{
List<string> list = new List<string>();
FtpWebRequest req = (FtpWebRequest)WebRequest.Create(new Uri("ftp://" + FtpAddress + FtpRemotePath));
req.Credentials = new NetworkCredential(FtpUid, FtpPwd);
req.Method = WebRequestMethods.Ftp.ListDirectory;
req.UseBinary = true;
req.UsePassive = true;
try
{
using (FtpWebResponse res = (FtpWebResponse)req.GetResponse())
{
using (StreamReader sr = new StreamReader(res.GetResponseStream()))
{
string s;
while ((s = sr.ReadLine()) != null)
{ list.Add(s);
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
Log("下载文件列表失败:");
Log(ex.ToString());
}
return list; }
上传文件
private static void UploadFile(string localFile)
{
FileInfo fi = new FileInfo(localFile);
FileStream fs = fi.OpenRead();
long length = fs.Length;
FtpWebRequest req = (FtpWebRequest)WebRequest.Create("ftp://" + FtpAddress + FtpRemotePath + fi.Name);
req.Credentials = new NetworkCredential(FtpUid, FtpPwd);
req.Method = WebRequestMethods.Ftp.UploadFile;
req.UseBinary = true;
req.ContentLength = length;
req.Timeout = * ;
try
{
Stream stream = req.GetRequestStream(); int BufferLength = ; //2K
byte[] b = new byte[BufferLength];
int i;
while ((i = fs.Read(b, , BufferLength)) > )
{
stream.Write(b, , i);
}
stream.Close();
stream.Dispose(); }
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
} }