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如何使用spring数据neo4j搜索全文_Spring_Spring Mvc_Neo4j_Spring Data Neo4j - Fatal编程技术网

如何使用spring数据neo4j搜索全文

如何使用spring数据neo4j搜索全文,spring,spring-mvc,neo4j,spring-data-neo4j,Spring,Spring Mvc,Neo4j,Spring Data Neo4j,我正在学习spring数据neo4j和spring。我想搜索全文,例如我有三部电影sky,sky1,sky2,当我搜索sky时,它返回sky,sky1,sky2。我首先使用下面的存储库 package com.oberon.fm.repository; @Repository public interface MovieRepository extends GraphRepository<Movie> { Movie findById(String id);

我正在学习spring数据neo4j和spring。我想搜索全文,例如我有三部电影sky,sky1,sky2,当我搜索sky时,它返回sky,sky1,sky2。我首先使用下面的存储库

package com.oberon.fm.repository;
@Repository
     public interface MovieRepository extends GraphRepository<Movie> {
     Movie findById(String id);
     Page<Movie> findByTitleLike(String title, Pageable page);
}
下面是我的控制器

@RequestMapping(value = "/movies", method = RequestMethod.GET, headers = "Accept=text/html")
public String findMovies(Model model, @RequestParam("q") String query) {
    log.debug("1");
    if (query != null && !query.isEmpty()) {
        Page<Movie> movies =movieRepository.findByTitleLike(query, new PageRequest(0, 20));
        model.addAttribute("movies", movies.getContent());
    } else {
        model.addAttribute("movies", Collections.emptyList());
    }
    model.addAttribute("query", query);
    addUser(model);
    return "/movies/list";
}
这些不好用,我想可能是哪里出了问题,但我不知道,如果你有任何想法,告诉我谢谢!顺便说一下,它抛出异常java.lang.NullPointerException。 我的电影实体

@NodeEntity
public class Movie {
@GraphId
Long nodeId;

@Indexed(indexType = IndexType.FULLTEXT, indexName = "id")
String id;

@Indexed(indexType = IndexType.FULLTEXT, indexName = "search")
String title;

String description;

@RelatedTo(type = "DIRECTED", direction = INCOMING)
Set<Director> directors;

@RelatedTo(type = "ACTS_IN", direction = INCOMING)
Set<Actor> actors;

@RelatedToVia(type = "ACTS_IN", direction = INCOMING)
Iterable<Role> roles;

@RelatedToVia(type = "RATED", direction = INCOMING)
@Fetch
Iterable<Rating> ratings;
private String language;
private String imdbId;
private String tagline;
private Date releaseDate;
private Integer runtime;
private String homepage;
private String trailer;
private String genre;
private String studio;
private Integer version;
private Date lastModified;
private String imageUrl;

分享一个例外,你的电影是什么样子的?您的查询值是什么样子的?你应该在标题上使用@Indexedtype=fulltext。查询值是sky,我有三部电影sky,sky1,sky2,当我查询sky时,它返回sky,sky1,sky2,我是否丢失了任何东西,是否需要密码?这些都是我的代码。我不知道如何搜索db,只使用PageFindBytletleLike标题,Pageable页面;告诉我,迈克尔,非常感谢