java/project/command/ListCommand.java

package com.crawler.command;

import java.util.List;

public class ListCommand extends BaseCommand {
    @Override
    public String getName() {
        return "list";
    }

    @Override
    public String getDescription() {
        return "查看使用过的指令历史";
    }

    @Override
    public void execute() {
        List<String> historyList = history.getHistory();
        
        System.out.println("========================================");
        System.out.println("指令历史记录:");
        System.out.println("========================================");
        
        if (historyList.isEmpty()) {
            System.out.println("暂无指令记录");
        } else {
            for (int i = 0; i < historyList.size(); i++) {
                System.out.printf("[%d] %s%n", i + 1, historyList.get(i));
            }
        }
        
        System.out.println("========================================");
    }
}