需求背景: 终端上报表读数 记录在elasticsearch 统计每天 最大值最小值 springboot版本:2.2.6 默认的elasticsearch <groupId>org.springframework.data</groupId> <artifactId>spring-data-elasticsearch</artifactId> <version>3.2.6.RELEASE</version> 版本 elasticsearch { "name" : "node1", "cluster_name" : "docker-cluster", "cluster_uuid" : "Lg0bD-E-Thuaw4cDN5uQrQ", "version" : { "number" : "7.4.2", "build_flavor" : "default", "build_type" : "tar", "build_hash" : "2f90bbf7b93631e52bafb59b3b049cb44ec25e96", "build_date" :...