springboot 整合 elasticsearch 非常简单
第一步:引入maven依赖
<dependency> <groupId>org.elasticsearch.client</groupId> <artifactId>transport</artifactId> <version>6.0.0</version> </dependency>
第二步建立连接
//连接配置 Settings settings = Settings.builder() .put("cluster.name", "")//这个cluster.name的值必须和es中elasticsearch.yml里的名字一致,否则会报not part of the cluster Cluster 错误 .put("client.transport.ignore_cluster_name",true)//忽略名字的校验 .build(); TransportClient client = new PreBuiltTransportClient(settings) .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("127.0.0.1"), 9300)); BulkRequestBuilder bulkRequestBuilder = client.prepareBulk(); SearchItem searchItem = new SearchItem(); String image=searchItem.getProductImageBig(); searchItem.setId(1); searchItem.setProductImageBig("http://123123.jpg"); String json = JSON.json(searchItem);//直接将对象转成json,在存入es的时候,es会自动检测并预测字段值的类型。当然如果想更加精确可以在SearchItem对象中用@Document注解 IndexRequestBuilder indexRequestBuilder = client.prepareIndex("数据库名", "表名", String.valueOf(searchItem.getId())).setSource(json); bulkRequestBuilder.add(indexRequestBuilder); BulkResponse response = bulkRequestBuilder.get(); log.info("=============response={}",response);这样就把数据存入es中了,这是最简便的一个demo,如果想在项目中使用,可以对其进行详细配置,这个在下篇文章中会介绍。