java/w10/Main3.java

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main3 {
    public static void main(String[] args) {
        StrategyFactory2 factory = new StrategyFactory2();

        // 模拟一个博客策略
        CrawlStrategy2 blogStrategy = new CrawlStrategy2() {
            @Override
            public boolean supports(String url) {
                return url.contains("blog");
            }

            @Override
            public Article2 crawl(String url) {
                return new Article2("测试标题", url, "测试内容", "作者", "2025-01-01");
            }
        };

        factory.registerStrategy(blogStrategy);

        AnalyzeCommand2 analyzeCmd = new AnalyzeCommand2(factory);
        HistoryCommand2 historyCmd = new HistoryCommand2();
        List<Article2> articles = new ArrayList<>();

        Scanner sc = new Scanner(System.in);
        System.out.println("===== 程序启动 =====");
        System.out.println("命令：");
        System.out.println("analyze 网址");
        System.out.println("history");
        System.out.println("exit\n");

        while (true) {
            System.out.print("请输入命令：");
            String input = sc.nextLine().trim();
            historyCmd.addCommand(input);

            if (input.equalsIgnoreCase("exit")) {
                System.out.println("退出");
                break;
            }

            if (input.startsWith("analyze ")) {
                String[] arr = input.split(" ", 2);
                analyzeCmd.execute(new String[]{arr[1]}, articles);
            } else if (input.equalsIgnoreCase("history")) {
                historyCmd.execute(new String[0], articles);
            } else {
                System.out.println("未知命令");
            }
        }
        sc.close();
    }
}