我终于让它工作了。这是一个工作示例：
pom.xml
<dependency> <groupId>org.apache.sshd</groupId> <artifactId>sshd-core</artifactId> <version>0.14.0</version></dependency>
Test.java
import java.io.File;import java.io.IOException;import java.util.ArrayList;import java.util.List;import java.util.logging.Level;import java.util.logging.Logger;import org.apache.sshd.SshServer;import org.apache.sshd.common.NamedFactory;import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;import org.apache.sshd.server.Command;import org.apache.sshd.server.PasswordAuthenticator;import org.apache.sshd.server.UserAuth;import org.apache.sshd.server.auth.UserAuthPassword;import org.apache.sshd.server.command.ScpCommandFactory;import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider;import org.apache.sshd.server.session.ServerSession;import org.apache.sshd.server.sftp.SftpSubsystem;public class Test { public static void main(String args[]) { try { Runtime.getRuntime().exec("sudo fuser -k " + "2222" + "/tcp"); } catch (IOException ex) { Logger.getLogger(Test.class.getName()).log(Level.SEVERE, null, ex); } File TEST = new File("test"); File ADMIN = new File("admin"); File ERROR = new File("error"); TEST.mkdirs(); ADMIN.mkdirs(); ERROR.mkdirs(); SshServer sshServer = SshServer.setUpDefaultServer(); sshServer.setFileSystemFactory(new VirtualFileSystemFactory(ERROR.getAbsolutePath())); sshServer.setPort(2222); sshServer.setKeyPairProvider(new SimpleGeneratorHostKeyProvider(new File("my.pem").getAbsolutePath())); sshServer.setCommandFactory(new ScpCommandFactory()); List<NamedFactory<UserAuth>> userAuthFactories = new ArrayList<>(); userAuthFactories.add(new UserAuthPassword.Factory()); sshServer.setUserAuthFactories(userAuthFactories); sshServer.setPasswordAuthenticator(new PasswordAuthenticator() { @Override public boolean authenticate(String username, String password, ServerSession session) { if ((username.equals("test")) && (password.equals("test"))) { sshServer.setFileSystemFactory(new VirtualFileSystemFactory(TEST.getAbsolutePath())); return true; } if ((username.equals("admin")) && (password.equals("admin"))) { sshServer.setFileSystemFactory(new VirtualFileSystemFactory(ADMIN.getAbsolutePath())); return true; } return false; } }); List<NamedFactory<Command>> namedFactoryList = new ArrayList<>(); namedFactoryList.add(new SftpSubsystem.Factory()); sshServer.setSubsystemFactories(namedFactoryList); try { sshServer.start(); } catch (IOException ex) { Logger.getLogger(CarrierSFTPServer.class.getName()).log(Level.SEVERE, null, ex); } }}
