es6.x创建索引：
https://blog.csdn.net/hxpjava1/article/details/80801903
Elasticsearch中text与keyword的区别:
https://www.cnblogs.com/sanduzxcvbnm/p/12177377.html
es6.x查询及相关操作：
https://blog.csdn.net/zhangjm123/article/details/85316200
专栏：
https://segmentfault.com/t/elasticsearch
语雀：
https://www.yuque.com/laoc/vbpdfy/pyzv3p
google 安装es-head插件教程：
https://www.cnblogs.com/brant/p/11712191.html
es-head使用教程：
https://www.cnblogs.com/xuwenjin/p/8792919.html
es常用查询：
https://www.cnblogs.com/stellar/p/9825598.html
Elasticsearch之聚合aggregations：
https://blog.csdn.net/weixin_40826349/article/details/86292946
Elasticsearch聚合深入详解——对比Mysql实现：https://blog.csdn.net/laoyang360/article/details/79048455
Elasticsearch6.X 新类型Join深入详解：
https://blog.csdn.net/laoyang360/article/details/79774481
Elasticsearch多表关联设计指南：
https://mp.weixin.qq.com/s/j7YdtmyuzBFRK1BViDtp2w
Elasticsearch DSL中Query与Filter的区别:
https://blog.csdn.net/xifeijian/article/details/50823110
Elasticsearch查询——布尔查询Bool Query:
https://www.cnblogs.com/royfans/p/9786429.html
ELasticsearch缓存:
https://blog.csdn.net/laoyang360/article/details/112386773
ElasticSearch第十篇：multi_match多字段查询以及wildcard模糊查询:
https://blog.csdn.net/weixin_46792649/article/details/108095614
elasticsearch 基础 —— Query String:
https://blog.csdn.net/ctwy291314/article/details/82770108
ElasticSearch学习笔记十六 Range数据类型和检索:
https://blog.csdn.net/weixin_43430036/article/details/83272018
elasticsearch exists方法测试-字段设置null value：
https://blog.csdn.net/qq_29202513/article/details/103710554
https://www.jianshu.com/p/7a5d706336f1
深入讲解Elasticsearch聚合查询原理:
https://baijiahao.baidu.com/s?id=1664181909891370238&wfr=spider&for=pc