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private int DownloadFtp()
{
FtpWebRequest reqFTP;
try
{
FileStream outputStream = new FileStream("c:\a.txt", FileMode.Create);
reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://211.103.99.xx/a.txt"));
reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;
reqFTP.UseBinary = true;
reqFTP.KeepAlive = false;
WebProxy proxy = WebProxy.GetDefaultProxy();//获取默认代理
if (proxy != null)//如果使用了代理
{
reqFTP.Proxy = proxy;
}
reqFTP.Credentials = new NetworkCredential("test", "123456");
FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();
Stream ftpStream = response.GetResponseStream();
long cl = response.ContentLength;
int bufferSize = 2048;
int readCount;
byte[] buffer = new byte[bufferSize];
readCount = ftpStream.Read(buffer, 0, bufferSize);
while (readCount > 0)
{
outputStream.Write(buffer, 0, readCount);
readCount = ftpStream.Read(buffer, 0, bufferSize);
}
ftpStream.Close();
outputStream.Close();
response.Close();
return 0;
}
catch
{
return -1;
}
}