閒話少說，直接上程式碼:

package com.ilucky.druid.airlift.test2;

import java.util.Arrays;

import io.airlift.airline.Cli;
import io.airlift.airline.Cli.CliBuilder;
import io.airlift.airline.Help;
import io.airlift.airline.ParseArgumentsUnexpectedException;

/**
 * v1.0:20161115
 * 組的概念.
 * 右擊Run As - Run Configurations - Arguments - Program arguments
 * 輸入: g1 G1MyCommand test, g1 G1MyCommand2 test,
 * 或g2 G2MyCommand test, 執行, 檢視Console視窗.
 * @author Ilucky
 */
 

public class MainTest {

    @SuppressWarnings("unchecked")
    public static void main(String[] args) {
        System.out.println("===> " + Arrays.asList(args));
        CliBuilder<Runnable> builder = Cli.<Runnable>builder("MyCommand:Builder");

        builder.withGroup("g1")
            .withDescription
 
("g1:Description")
            .withDefaultCommand(Help.class)
            .withCommands(Help.class, G1MyCommand.class, G1MyCommand2.class);

        builder.withGroup("g2")
            .withDescription("g2:Description")
            .withDefaultCommand(Help.class)
            .withCommands(Help.class
 
, G2MyCommand.class);

        Cli<Runnable> cliParser = builder.build();
        try {
            cliParser.parse(args).run();
        } catch (ParseArgumentsUnexpectedException e) {
            System.out.println("Invalid command:"+e.toString());
        }
    }
}
/**
輸入: g1 G1MyCommand test, 結果:
===> [g1, G1MyCommand, test]
G1MyCommand=test

輸入: g1 G1MyCommand2 test, 結果:
===> [g1, G1MyCommand2, test]
G1MyCommand2=test

輸入: g2 G2MyCommand test, 結果:
===> [g2, G2MyCommand, test]
G2MyCommand=test
*/

package com.ilucky.druid.airlift.test2;

import io.airlift.airline.Arguments;
import io.airlift.airline.Command;

@Command(name="G1MyCommand",description="This is G1MyCommand")
public class G1MyCommand implements Runnable {

    @Arguments
    private String command;

    @Override
    public void run() {
        System.out.println("G1MyCommand=" + command);
    }
}

package com.ilucky.druid.airlift.test2;

import io.airlift.airline.Arguments;
import io.airlift.airline.Command;

@Command(name="G1MyCommand2",description="This is G1MyCommand2")
public class G1MyCommand2 implements Runnable {

    @Arguments
    private String command;

    @Override
    public void run() {
        System.out.println("G1MyCommand2=" + command);
    }
}

package com.ilucky.druid.airlift.test2;

import io.airlift.airline.Arguments;
import io.airlift.airline.Command;

@Command(name="G2MyCommand",description="This is G2MyCommand")
public class G2MyCommand implements Runnable {

    @Arguments
    private String command;

    @Override
    public void run() {
        System.out.println("G2MyCommand=" + command);
    }
}