您可以使用Simple Java FTP Client，并将其添加为您的项目外部JAR，您也可以参考这个link
public class FileUpload
{
/**
* Upload a file to a FTP server. A FTP URL is generated with the
* following syntax:
* ftp://user:[emailprotected]:port/filePath;type=i.
*
* @param ftpServer , FTP server address (optional port ':portNumber').
* @param user , Optional user name to login.
* @param password , Optional password for user.
* @param fileName , Destination file name on FTP server (with optional
* preceding relative path, e.g. "myDir/myFile.txt").
* @param source , Source file to upload.
* @throws MalformedURLException, IOException on error.
*/
public void upload(String ftpServer, String user, String password,
String fileName, File source) throws MalformedURLException,
IOException
{
if (ftpServer != null && fileName != null && source != null)
{
StringBuffer sb = new StringBuffer("ftp://");
// check for authentication else assume its anonymous access.
if (user != null && password != null)
{
sb.append(user);
sb.append(':');
sb.append(password);
sb.append('@');
}
sb.append(ftpServer);
sb.append('/');
sb.append(fileName);
/*
* type ==> a=ASCII mode, i=image (binary) mode, d= file directory
* listing
*/
sb.append(";type=i");
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
try
{
URL url = new URL(sb.toString());
URLConnection urlc = url.openConnection();
bos = new BufferedOutputStream(urlc.getOutputStream());
bis = new BufferedInputStream(new FileInputStream(source));
int i;
// read byte by byte until end of stream
while ((i = bis.read()) != -1)
{
bos.write(i);
}
}
finally
{
if (bis != null)
try
{
bis.close();
}
catch (IOException ioe)
{
ioe.printStackTrace();
}
if (bos != null)
try
{
bos.close();
}
catch (IOException ioe)
{
ioe.printStackTrace();
}
}
}
else
{
System.out.println("Input not available.");
}
}
import .ftp.FTPClient;
FTPClient ftpClient = new FTPClient();
try {
ftpClient.connect(InetAddress.getByName(SERVER));
ftpClient.login(USERNAME, PASSWORD);
ftpClient.changeWorkingDirectory(PATH);
if (ftpClient.getReplyString().contains("250")) {
ftpClient.setFileType(.ftp.FTP.BINARY_FILE_TYPE);
BufferedInputStream buffIn = null;
buffIn = new BufferedInputStream(new FileInputStream(FULL_PATH_TO_LOCAL_FILE));
ftpClient.enterLocalPassiveMode();
ProgressInputStream progressInput = new ProgressInputStream(buffIn, progressHandler);
boolean result = ftpClient.storeFile(localAsset.getFileName(), progressInput);
buffIn.close();
ftpClient.logout();
ftpClient.disconnect();
}
} catch (SocketException e) {
Log.e(SorensonApplication.TAG, e.getStackTrace().toString());
} catch (UnknownHostException e) {
Log.e(SorensonApplication.TAG, e.getStackTrace().toString());
} catch (IOException e) {
Log.e(SorensonApplication.TAG, e.getStackTrace().toString());
}
