java/w8/HistoryCommand.java

package com.example.datacollect.command;

import com.example.datacollect.model.Article;
import java.util.List;

public class HistoryCommand implements Command {

    private List<String> history;  // 存储所有历史命令

    public HistoryCommand(List<String> history) {
        this.history = history;
    }

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

    @Override
    public void execute(String[] args, List<Article> articles) {
        if (history.isEmpty()) {
            System.out.println("No command history yet.");
        } else {
            System.out.println("Command History:");
            for (int i = 0; i < history.size(); i++) {
                System.out.println("  " + (i + 1) + ". " + history.get(i));
            }
        }
    }
}