ftpclient下载文件的例子

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.SocketException;

import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
/**
* ftpclient下载文件的例子
*
* @author 老紫竹(Java世纪网,java2000.net)
*/
public class Test {
public static void main(String[] args) throws Exception {
FTPClient ftpClient = new FTPClient();
String hostName = "www.uniorg.org";
String userName = "username";
String password = "password";
String remoteDir = "/";
try {
ftpClient.connect(hostName, 21);
ftpClient.setControlEncoding("UTF-8");
ftpClient.login(userName, password);
ftpClient.setFileType(FTPClient.BINARY_FILE_TYPE);
FTPFile[] files = ftpClient.listFiles(remoteDir);
for (int i = 0; i < files.length; i++) {
System.out.println(files[i].getName());
}
File file = new File("d://index.jsp");
FileOutputStream fos = new FileOutputStream(file);
ftpClient.retrieveFile(remoteDir + "/index.jsp", fos);
fos.close();
} catch (SocketException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}