Java利用Apache的FTPClient包实现FTP的上传与下载

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

import org.apache.commons.net.ftp.FTPClient;

public class FTP {
public static void main(String args[]){

testUpload();
testDownload();
}

private static void testDownload() {
FTPClient ftpclient = new FTPClient();
FileOutputStream fos =null;
try {
ftpclient.connect("127.0.0.1");
ftpclient.login("soqi", "soqi");
File file = new File("d:"+File.separator+"soga.txt");
ftpclient.changeWorkingDirectory("/");
ftpclient.setBufferSize(1024);
ftpclient.setControlEncoding("UTF-8");
ftpclient.setFileType(ftpclient.BINARY_FILE_TYPE);

fos = new FileOutputStream(file);
ftpclient.retrieveFile("fuck.txt", fos);

} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

private static void testUpload() {
FTPClient ftpclient = new FTPClient();
FileInputStream fis =null;
try {
ftpclient.connect("127.0.0.1");
ftpclient.login("soqi", "soqi");
File file = new File("d:"+File.separator+"hello.txt");
ftpclient.changeWorkingDirectory("/");
ftpclient.setBufferSize(1024);
ftpclient.setControlEncoding("UTF-8");
ftpclient.setFileType(ftpclient.BINARY_FILE_TYPE);
fis = new FileInputStream(file);
ftpclient.storeFile("fuck.txt", fis);

} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

}