linux安装 es
https://blog.csdn.net/qq_19897551/article/details/107221297

Springboot 2.2整合elasticsearch 7.x (spring-boot-starter-data-elasticsearch)
https://blog.csdn.net/chengyuqiang/article/details/102938266


es查询
https://www.cnblogs.com/keatsCoder/p/11341835.html



https://www.cnblogs.com/ysq0908/p/12316858.html

https://blog.csdn.net/justlpf/article/details/88105489

spring-data-es官网
https://docs.spring.io/spring-data/elasticsearch/docs/4.2.3/reference/html/#elasticsearch.operations.template