<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-mongodb</artifactId>
        </dependency>

@Data
@Document(collection = "article") //指定要對(duì)應(yīng)的文檔名（表名）
@Accessors(chain = true) //鏈?zhǔn)皆L問(wèn)
public class Article {
    /**
     * 文章主鍵
     */
    @Id
    private String id;
    /**
     * 文章名
     */
    private String name;
    /**
     * 文章內(nèi)容
     */
    private String content;
}

@Data
@Document(collection = "book")
public class Book {
    @Id
    private String id;
    private String name;
    private String type;
    private String description;
}

public interface ArticleRepository extends MongoRepository<Article,String> {
    /**
     * 根據(jù)id查詢(xún)文章
     * @param id
     * @return
     */
    List<Article> findByid(String id);
}

@Service
@RequiredArgsConstructor
public class ArticleService {
    private final ArticleRepository articleRepository;
    /**
     * 添加文章
     *
     * @param article
     * @return
     */
    public int create(Article article) {
        Article save = articleRepository.save(article);
        return 1;
    }
    /**
     * 刪除文章
     *
     * @param ids
     */
    public int delete(List<String> ids) {
        List<Article> deleteList = new ArrayList<>();
        for(String id:ids){
            Article article = new Article();
            article.setId(id);
            deleteList.add(article);
        }
        articleRepository.deleteAll(deleteList);
        return ids.size();
    }
    /**
     * 查詢(xún)文章
     * @param id
     * @return
     */
    public List<Article> get(String id) {
        return articleRepository.findByid(id);
    }
}

@RestController
@RequestMapping("/article")
@RequiredArgsConstructor
public class ArticleController {
    private final ArticleService articleService;
    @PostMapping("/create")
    public String create(@RequestBody Article article) {
        int result = articleService.create(article);
        if (result > 0) {
            return "文章創(chuàng)建成功";
        } else {
            return "文章創(chuàng)建失敗";
        }
    }
    @PostMapping("/delete")
    public String delete(@RequestParam("ids") List<String> ids) {
        int count = articleService.delete(ids);
        if (count > 0) {
            return "刪除了" + count + "篇文章";
        } else {
            return "刪除文章失敗";
        }
    }
    @PostMapping("/get")
    public List<Article> get(String id) {
        List<Article> list = articleService.get(id);
        return list;
    }
}

@Service
@RequiredArgsConstructor
public class BookService {
    private final MongoTemplate mongoTemplate;
    /**
     * 添加文章
     *
     * @param book
     * @return
     */
    public int create(Book book) {
        Book save = mongoTemplate.save(book);
        return 1;
    }
    /**
     * 刪除文章
     *
     * @param id
     */
    public int delete(String id) {
        List<Book> deleteList = new ArrayList<>();
        Query query = new Query();
        query.addCriteria(Criteria.where("id").is(id));
        mongoTemplate.remove(query,Book.class);
        return 1;
    }
    /**
     * 查詢(xún)文章
     * @param id
     * @return
     */
    public Book get(String id) {
        Book byId = mongoTemplate.findById(id, Book.class);
        return byId;
    }
}

@RestController
@RequestMapping("/book")
@RequiredArgsConstructor
public class BookController {
    private final BookService bookService;
    @PostMapping("/create")
    public String create(@RequestBody Book book) {
        int result = bookService.create(book);
        if (result > 0) {
            return "圖書(shū)創(chuàng)建成功";
        } else {
            return "圖書(shū)創(chuàng)建失敗";
        }
    }
    @PostMapping("/delete")
    public String delete(@RequestParam("id") String id) {
        int count = bookService.delete(id);
        if (count > 0) {
            return "刪除了" + count + "篇圖書(shū)";
        } else {
            return "刪除圖書(shū)失敗";
        }
    }
    @PostMapping("/get")
    public Book get(String id) {
        Book book = bookService.get(id);
        return book;
    }
}