java/w11/HistoryCommand11.java

import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;

public class HistoryCommand11 implements Command11 {
    private static final Logger logger = Logger.getLogger(HistoryCommand11.class.getName());
    private final List<String> commandHistory = new ArrayList<>();

    @Override
    public String getName() {
        return "history";
    }

    @Override
    public void execute(String[] args, List<Article11> articles) {
        if (commandHistory.isEmpty()) {
            logger.info("暂无命令历史记录");
            System.out.println("暂无命令历史记录");
            return;
        }
        logger.info("用户查看命令历史");
        System.out.println("===== 命令历史 =====");
        for (int i = 0; i < commandHistory.size(); i++) {
            System.out.println((i + 1) + ". " + commandHistory.get(i));
        }
    }

    public void addCommand(String cmd) {
        commandHistory.add(cmd);
    }
}