ElasticSearch健康检查
elasticsearch-rest-high-level-client，elasticsearch-rest-client
项目依赖，spring-boot-starter-data-elasticsearch， spring-data-elasticsearch，
https://blog.csdn.net/HXNLYW/article/details/96426815
https://juejin.cn/post/6999447088085860359
elasticsearch-rest-high-level-client，elasticsearch-rest-client
项目依赖，spring-boot-starter-data-elasticsearch， spring-data-elasticsearch，
https://blog.csdn.net/HXNLYW/article/details/96426815
https://juejin.cn/post/6999447088085860359