java/project/HelpCommand.java

package com.example.datacollect.command;

import com.example.datacollect.repository.ArticleRepository;
import com.example.datacollect.view.ConsoleView;

public class HelpCommand implements Command {
    private final ConsoleView view;

    public HelpCommand(ConsoleView view) {
        this.view = view;
    }

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

    @Override
    public void execute(String[] args, ArticleRepository repository) {
        view.printInfo("可用命令：");
        view.printInfo("  crawl <url>     - 爬取指定URL的文章并保存");
        view.printInfo("  analyze <url>   - 分析指定URL（不保存数据）");
        view.printInfo("  list            - 列出已保存的文章");
        view.printInfo("  help            - 显示此帮助信息");
        view.printInfo("  exit            - 退出程序");
    }
}