SpringBoot整合ES搜索结果部分字段为null

public BaseResponse<JSONObject> search(String search, Integer page, Integer size) {

    if (page < 1) {

        page = 1;

    }

    if (size < 10) {

        size = 10;

    }

    PageRequest pageRequest = PageRequest.of(page, size);

    BoolQueryBuilder builder = QueryBuilders.boolQuery();

    builder.must(QueryBuilders.multiMatchQuery(search, "title", "content", "tags"));

    Page<Article> searchResult = articleRepository.search(builder, pageRequest);

    return setResultSuccess((JSONObject) JSON.toJSON(searchResult));

}

{

    "code": 200,

    "msg": "success",

    "data": {

        "last": true,

        "pageable": {

            "paged": true,

            "pageNumber": 1,

            "offset": 10,

            "pageSize": 10,

            "unpaged": false,

            "sort": {

                "unsorted": true,

                "sorted": false,

                "empty": true

            }

        },

        "sort": {

            "unsorted": true,

            "sorted": false,

            "empty": true

        },

        "maxScore": 0.13959092,

        "content": [

            {

                "createTime": null,

                "goodCount": null,

                "author": 1,

                "collectCount": null,

                "updateTime": null,

                "id": 16,

                "viewCount": null,

                "title": " 我是测试文章15号",

                "content": " 我是测试文章15号",

                "commentCount": null,

                "tags": "1,14,10"

            },

            {

                "createTime": null,

                "goodCount": null,

                "author": 1,

                "collectCount": null,

                "updateTime": null,

                "id": 17,

                "viewCount": null,

                "title": "我是测试文章16号",

                "content": "我是测试文章16号",

                "commentCount": null,

                "tags": "1,14,10"

            },

            {

                "createTime": null,

                "goodCount": null,

                "author": 1,

                "collectCount": null,

                "updateTime": null,

                "id": 9,

                "viewCount": null,

                "title": "我是测试文章8号",

                "content": "我是测试文章8号",

                "commentCount": null,

                "tags": "1,14,10"

            },

            {

                "createTime": null,

                "goodCount": null,

                "author": 1,

                "collectCount": null,

                "updateTime": null,

                "id": 10,

                "viewCount": null,

                "title": "我是测试文章9号",

                "content": "我是测试文章9号",

                "commentCount": null,

                "tags": "1,14,10"

            },

            {

                "createTime": null,

                "goodCount": null,

                "author": 1,

                "collectCount": null,

                "updateTime": null,

                "id": 2,

                "viewCount": null,

                "title": "我是测试文章1号",

                "content": "我是测试文章1号内容",

                "commentCount": null,

                "tags": "1,14,10"

            },

            {

                "createTime": null,

                "goodCount": null,

                "author": 1,

                "collectCount": null,

                "updateTime": null,

                "id": 3,

                "viewCount": null,

                "title": "我是测试文章2号",

                "content": "我是测试文章2号内容",

                "commentCount": null,

                "tags": "1,14,10"

            }

        ],

        "empty": false,

        "facets": [],

        "scrollId": null,

        "totalElements": 16,

        "number": 1,

        "numberOfElements": 6,

        "size": 10,

        "totalPages": 2,

        "aggregations": null,

        "first": false

    }

}

@Document(indexName = "article_latest", type = "_doc", shards = 3, replicas = 1)

public class Article {



    @Id

    private Integer id;

    @Field(name = "title", type = FieldType.Text, analyzer = "ik_max_word", searchAnalyzer = "ik_max_word")

    private String title;

    @Field(name = "content", type = FieldType.Text, analyzer = "ik_max_word", searchAnalyzer = "ik_max_word")

    private String content;

    @Field(name = "author", type = FieldType.Long)

    private Integer author;

    @Field(name = "comment_count", type = FieldType.Long)

    private Integer commentCount;

    @Field(name = "view_count", type = FieldType.Long)

    private Integer viewCount;

    @Field(name = "good_count", type = FieldType.Long)

    private Integer goodCount;

    @Field(name = "collect_count", type = FieldType.Long)

    private Integer collectCount;

    @Field(name = "tags", type = FieldType.Text)

    private String tags;

    @Field(name = "create_time", type = FieldType.Long)

    private Long createTime;

    @Field(name = "update_time", type = FieldType.Long)

    private Long updateTime;

    

    // 此处省略get/set/toString方法

}