可以运行的最简单的Javaftp服务器

package a;

import java.awt.Font;
import java.util.ArrayList;
import javax.swing.JFrame;
import javax.swing.JLabel;

import org.apache.ftpserver.FtpServer;
import org.apache.ftpserver.FtpServerFactory;
import org.apache.ftpserver.ftplet.Authority;
import org.apache.ftpserver.ftplet.FtpException;
import org.apache.ftpserver.listener.ListenerFactory;
import org.apache.ftpserver.usermanager.impl.BaseUser;
import org.apache.ftpserver.usermanager.impl.WritePermission;

public class Main extends JFrame implements Runnable {

	public Main() {

		// JFileChooser jfc = new JFileChooser();
		// jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
		// this.add(jfc);
		JLabel jl = new JLabel("  ftp服务器已经启动,路径是D:\\saomiao,如果没有请先手动创建!");

		Font f = new Font("", 1, 20);
		jl.setFont(f);
		this.add(jl);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.setBounds(0, 0, 640, 480);
	}

	public static void main(String[] args) {
		try {

			// 权限
			BaseUser bu = new BaseUser();
			bu.setName("anonymous");
			bu.setPassword(null);
			bu.setHomeDirectory("D:\\saomiao");
			ArrayList<Authority> la = new ArrayList<Authority>();
			WritePermission wp = new WritePermission();
			la.add(wp);

			FtpServerFactory fsf = new FtpServerFactory();
			ListenerFactory lf = new ListenerFactory();
			lf.setPort(21);
			fsf.addListener("default", lf.createListener());
			bu.setAuthorities(la);
			fsf.getUserManager().save(bu);
			FtpServer fs = fsf.createServer();
			fs.start();

			Main m = new Main();
			m.setVisible(true);
		} catch (FtpException e) {
			e.printStackTrace();
		}
	}

	public void run() {

	}

}