package com.rental.crawler; import com.rental.crawler.command.AnalyzeCommand; import com.rental.crawler.model.Book; import com.rental.crawler.repository.ArticleRepository; import java.util.ArrayList; import java.util.List; public class Main { public static void main(String[] args) { System.out.println("========== 测试 ArticleRepository addAll =========="); ArticleRepository repository = new ArticleRepository(); List books1 = new ArrayList<>(); books1.add(createBook("书1", "作者1", "出版社A", 8.5)); books1.add(createBook("书2", "作者2", "出版社B", 7.5)); books1.add(null); repository.addAll(books1); System.out.println("添加book1后的数量: " + repository.size()); List books2 = null; repository.addAll(books2); System.out.println("添加null后的数量: " + repository.size()); repository.add(null); System.out.println("添加单个null后的数量: " + repository.size()); List books3 = new ArrayList<>(); books3.add(null); books3.add(createBook("书3", "作者3", "出版社C", 9.0)); repository.addAll(books3); System.out.println("添加包含null的列表后的数量: " + repository.size()); System.out.println("\n========== 测试 AnalyzeCommand =========="); List testBooks = new ArrayList<>(); testBooks.add(createBook("红楼梦", "曹雪芹", "人民文学出版社", 9.0)); testBooks.add(createBook("水浒传", "施耐庵", "上海译文出版社", 8.5)); testBooks.add(createBook("书3", "作者3", "未知出版社", 6.5)); testBooks.add(null); AnalyzeCommand analyzeCommand = new AnalyzeCommand(); analyzeCommand.execute(testBooks); System.out.println("\n测试完成!"); } private static Book createBook(String title, String author, String publisher, double rating) { Book book = new Book(); book.setTitle(title); book.setAuthors(author); book.setPublisher(publisher); book.setRating(rating); return book; } }