Elasticsearch Demo（spring boot/maven/gradle）
    https://esdoc.bbossgroups.com/#/Elasticsearch-demo

    Elasticsearch索引文档增删改查
    https://esdoc.bbossgroups.com/#/document-crud

    Elasticsearch分页查询
    https://esdoc.bbossgroups.com/#/from-size
    https://esdoc.bbossgroups.com/#/Scroll-SliceScroll-api
    https://esdoc.bbossgroups.com/#/search-after

    Elasticsearch SQL ORM操作
    https://esdoc.bbossgroups.com/#/Elasticsearch-SQL-ORM

    BulkProcessor异步批处理
    https://esdoc.bbossgroups.com/#/bulkProcessor

    Elasticsearch聚合查询
    https://esdoc.bbossgroups.com/#/agg

    Elasticsearch关键词高亮检索
    https://esdoc.bbossgroups.com/#/highlight

    Elasticsearch索引表和索引表模板管理
    https://esdoc.bbossgroups.com/#/index-indextemplate

    Elasticsearch地理位置维护和检索
    https://esdoc.bbossgroups.com/#/Elasticsearch-geo

    Elasticsearch父子关系维护和检索
    https://esdoc.bbossgroups.com/#/elasticsearch6-parent-child

    Elasticsearch 局部更新文档字段
    https://esdoc.bbossgroups.com/#/Elasticsearch-Mget-GetDocSource-partupdate

    Elasticsearch中文拼音混合检索案例
    https://esdoc.bbossgroups.com/#/pinyin-ik

    Field Collapsing优化Elasticsearch搜索结果
    https://esdoc.bbossgroups.com/#/FiledCollapsing

    Elasticsearch：TF-IDF，BM25和相关度控制
    https://esdoc.bbossgroups.com/#/DocRelevancy

    Elasticsearch控制搜索相关度评分案例
    https://esdoc.bbossgroups.com/#/function-script-score

    Function Score优化Elasticsearch搜索结果
    https://esdoc.bbossgroups.com/#/function_score