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spring boot 集成 ElasticSearch，采用原生方式集成 ES
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| target/ | ||
| !.mvn/wrapper/maven-wrapper.jar | ||
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| ### STS ### | ||
| .apt_generated | ||
| .classpath | ||
| .factorypath | ||
| .project | ||
| .settings | ||
| .springBeans | ||
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| ### IntelliJ IDEA ### | ||
| .idea | ||
| *.iws | ||
| *.iml | ||
| *.ipr | ||
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| ### NetBeans ### | ||
| nbproject/private/ | ||
| build/ | ||
| nbbuild/ | ||
| dist/ | ||
| nbdist/ | ||
| .nb-gradle/ |
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| # spring-boot-demo-elasticsearch | ||
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| 依赖 [spring-boot-demo-parent](../spring-boot-demo-parent) | ||
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| ElasticSearch 的 demo 我这里没有使用 spring-data-elasticsearch，我使用的是原生的方式 | ||
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| 操作 ElasticSearch 由很多种方式： | ||
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| 1. ES 官方提供的原生方式，**本例子使用这种方式**，这种方式的好处是高度自定义，并且可以使用最新的 ES 版本，缺点就是所有操作都得自己写。 | ||
| 2. 使用 Spring 官方提供的 spring-data-elasticsearch，这里给出地址 https://projects.spring.io/spring-data-elasticsearch/ ，采用的方式类似 JPA，并且为 SpringBoot 提供了一个 `spring-boot-starter-data-elasticsearch`，优点是操作 ES 的方式采用了 JPA 的方式，都已经封装好了，缺点是版本得随着官方慢慢迭代，不能使用 ES 的最新特性。 | ||
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| ### pom.xml | ||
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| ```xml | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
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| <artifactId>spring-boot-demo-elasticsearch</artifactId> | ||
| <version>0.0.1-SNAPSHOT</version> | ||
| <packaging>jar</packaging> | ||
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| <name>spring-boot-demo-elasticsearch</name> | ||
| <description>Demo project for Spring Boot</description> | ||
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| <parent> | ||
| <groupId>com.xkcoding</groupId> | ||
| <artifactId>spring-boot-demo-parent</artifactId> | ||
| <version>0.0.1-SNAPSHOT</version> | ||
| <relativePath>../spring-boot-demo-parent/pom.xml</relativePath> | ||
| </parent> | ||
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| <properties> | ||
| <!--默认 Spring-Boot 依赖的 ES 版本是 2.X 版本，这里采用最新版--> | ||
| <elasticsearch.version>6.1.1</elasticsearch.version> | ||
| </properties> | ||
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| <dependencies> | ||
| <!-- ES --> | ||
| <dependency> | ||
| <groupId>org.elasticsearch.client</groupId> | ||
| <artifactId>transport</artifactId> | ||
| <version>${elasticsearch.version}</version> | ||
| </dependency> | ||
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| <dependency> | ||
| <groupId>org.apache.logging.log4j</groupId> | ||
| <artifactId>log4j-core</artifactId> | ||
| <version>2.7</version> | ||
| </dependency> | ||
| </dependencies> | ||
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| <build> | ||
| <finalName>spring-boot-demo-elasticsearch</finalName> | ||
| </build> | ||
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| </project> | ||
| ``` | ||
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| ### application.yml | ||
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| ```yaml | ||
| server: | ||
| port: 8080 | ||
| context-path: /demo | ||
| elasticsearch: | ||
| host: 127.0.0.1 | ||
| port: 9300 | ||
| cluster: | ||
| name: xkcoding | ||
| ``` | ||
| ElasticSearchConfig.java | ||
| ```java | ||
| /** | ||
| * <p> | ||
| * ES 的配置类 | ||
| * </p> | ||
| * | ||
| * @package: com.xkcoding.springbootdemoelasticsearch.config | ||
| * @description： ES 的配置类 | ||
| * @author: yangkai.shen | ||
| * @date: Created in 2018/1/18 下午4:41 | ||
| * @copyright: Copyright (c) 2018 | ||
| * @version: 0.0.1 | ||
| * @modified: yangkai.shen | ||
| */ | ||
| @Configuration | ||
| public class ElasticSearchConfig { | ||
| @Value("${elasticsearch.host}") | ||
| private String host; | ||
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| @Value("${elasticsearch.port}") | ||
| private int port; | ||
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| @Value("${elasticsearch.cluster.name}") | ||
| private String clusterName; | ||
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| @Bean | ||
| public TransportClient esClient() throws UnknownHostException { | ||
| Settings settings = Settings.builder().put("cluster.name", this.clusterName).put("client.transport.sniff", true).build(); | ||
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| TransportAddress master = new TransportAddress(InetAddress.getByName(host), port); | ||
| TransportClient client = new PreBuiltTransportClient(settings).addTransportAddress(master); | ||
| return client; | ||
| } | ||
| } | ||
| ``` | ||
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| PersonController.java | ||
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| ```java | ||
| /** | ||
| * <p> | ||
| * Person Controller | ||
| * </p> | ||
| * | ||
| * @package: com.xkcoding.springbootdemoelasticsearch.web.controller | ||
| * @description： Person Controller | ||
| * @author: yangkai.shen | ||
| * @date: Created in 2018/1/18 下午5:06 | ||
| * @copyright: Copyright (c) 2018 | ||
| * @version: 0.0.1 | ||
| * @modified: yangkai.shen | ||
| */ | ||
| @RestController | ||
| @Slf4j | ||
| public class PersonController { | ||
| public static final String INDEX = "people"; | ||
| public static final String TYPE = "person"; | ||
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| @Autowired | ||
| private TransportClient esClient; | ||
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| /** | ||
| * 插入一条数据到 ES 中，id 由 ES 生成 | ||
| * | ||
| * @param name 名称 | ||
| * @param country 国籍 | ||
| * @param age 年龄 | ||
| * @param birthday 生日 | ||
| * @return 插入数据的主键 | ||
| */ | ||
| @PostMapping("/person") | ||
| public ApiResponse add(@RequestParam String name, @RequestParam String country, @RequestParam Integer age, @RequestParam @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss") Date birthday) { | ||
| try { | ||
| XContentBuilder content = XContentFactory.jsonBuilder().startObject().field("name", name).field("country", country).field("age", age).field("birthday", birthday.getTime()).endObject(); | ||
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| IndexResponse response = esClient.prepareIndex(INDEX, TYPE).setSource(content).get(); | ||
| return ApiResponse.ofSuccess(response.getId()); | ||
| } catch (IOException e) { | ||
| e.printStackTrace(); | ||
| return ApiResponse.ofStatus(Status.INTERNAL_SERVER_ERROR); | ||
| } | ||
| } | ||
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| /** | ||
| * 根据 id 删除 ES 的一条记录 | ||
| * | ||
| * @param id ES 中的 id | ||
| * @return DELETED 代表删除 | ||
| */ | ||
| @DeleteMapping("/person/{id}") | ||
| public ApiResponse delete(@PathVariable String id) { | ||
| DeleteResponse response = esClient.prepareDelete(INDEX, TYPE, id).get(); | ||
| return ApiResponse.ofSuccess(response.getResult()); | ||
| } | ||
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| /** | ||
| * 根据主键，修改传递字段对应的值 | ||
| * | ||
| * @param id ES 中的 id | ||
| * @param name 姓名 | ||
| * @param country 国籍 | ||
| * @param age 年龄 | ||
| * @param birthday 生日 | ||
| * @return UPDATED 代表文档修改成功 | ||
| */ | ||
| @PutMapping("/person/{id}") | ||
| public ApiResponse update(@PathVariable String id, @RequestParam(value = "name", required = false) String name, @RequestParam(value = "country", required = false) String country, @RequestParam(value = "age", required = false) Integer age, @RequestParam(value = "birthday", required = false) @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss") Date birthday) { | ||
| UpdateRequest request = new UpdateRequest(INDEX, TYPE, id); | ||
| try { | ||
| XContentBuilder builder = XContentFactory.jsonBuilder().startObject(); | ||
| if (!Strings.isNullOrEmpty(name)) { | ||
| builder.field("name", name); | ||
| } | ||
| if (!Strings.isNullOrEmpty(country)) { | ||
| builder.field("country", country); | ||
| } | ||
| if (age != null && age > 0) { | ||
| builder.field("age", age); | ||
| } | ||
| if (birthday != null) { | ||
| builder.field("birthday", birthday.getTime()); | ||
| } | ||
| builder.endObject(); | ||
| request.doc(builder); | ||
| } catch (IOException e) { | ||
| e.printStackTrace(); | ||
| return ApiResponse.ofStatus(Status.INTERNAL_SERVER_ERROR); | ||
| } | ||
| try { | ||
| UpdateResponse response = esClient.update(request).get(); | ||
| return ApiResponse.ofSuccess(response); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| return ApiResponse.ofStatus(Status.INTERNAL_SERVER_ERROR); | ||
| } | ||
| } | ||
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| /** | ||
| * 简单查询 根据 id 查 ES 中的文档内容 | ||
| * | ||
| * @param id ES 中存储的 id | ||
| * @return 对应 id 的文档内容 | ||
| */ | ||
| @GetMapping("/person/{id}") | ||
| public ApiResponse get(@PathVariable String id) { | ||
| GetResponse response = esClient.prepareGet(INDEX, TYPE, id).get(); | ||
| if (!response.isExists() || response.isSourceEmpty()) { | ||
| return ApiResponse.ofStatus(Status.NOT_FOUND); | ||
| } | ||
| return ApiResponse.ofSuccess(response.getSource()); | ||
| } | ||
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| /** | ||
| * 复合查询，根据传进来的条件，查询具体内容 | ||
| * | ||
| * @param name 根据姓名匹配 | ||
| * @param country 根据国籍匹配 | ||
| * @param gtAge 大于年龄 | ||
| * @param ltAge 小于年龄 | ||
| * @return 满足条件的文档内容 | ||
| */ | ||
| @PostMapping("/person/query") | ||
| public ApiResponse query(@RequestParam(value = "name", required = false) String name, | ||
| @RequestParam(value = "country", required = false) String country, | ||
| @RequestParam(value = "gt_age", defaultValue = "0") int gtAge, | ||
| @RequestParam(value = "lt_age", required = false) Integer ltAge) { | ||
| BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery(); | ||
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| if (!Strings.isNullOrEmpty(name)) { | ||
| boolQueryBuilder.must(QueryBuilders.matchQuery("name", name)); | ||
| } | ||
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| if (!Strings.isNullOrEmpty(country)) { | ||
| boolQueryBuilder.must(QueryBuilders.matchQuery("country", country)); | ||
| } | ||
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| RangeQueryBuilder rangeQueryBuilder = QueryBuilders.rangeQuery("age").from(gtAge); | ||
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| if (ltAge != null && ltAge > 0) { | ||
| rangeQueryBuilder.to(ltAge); | ||
| } | ||
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| boolQueryBuilder.filter(rangeQueryBuilder); | ||
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| SearchRequestBuilder searchRequestBuilder = esClient.prepareSearch(INDEX) | ||
| .setTypes(TYPE) | ||
| .setSearchType(SearchType.DFS_QUERY_THEN_FETCH) | ||
| .setQuery(boolQueryBuilder) | ||
| .setFrom(0) | ||
| .setSize(20); | ||
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| log.info("【query】:{}", searchRequestBuilder); | ||
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| SearchResponse searchResponse = searchRequestBuilder.get(); | ||
| List<Map<String, Object>> result = Lists.newArrayList(); | ||
| searchResponse.getHits().forEach(hit -> { | ||
| result.add(hit.getSourceAsMap()); | ||
| }); | ||
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| return ApiResponse.ofSuccess(result); | ||
| } | ||
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| } | ||
| ``` | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,44 @@ | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> | ||
| <modelVersion>4.0.0</modelVersion> | ||
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| <artifactId>spring-boot-demo-elasticsearch</artifactId> | ||
| <version>0.0.1-SNAPSHOT</version> | ||
| <packaging>jar</packaging> | ||
|
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| <name>spring-boot-demo-elasticsearch</name> | ||
| <description>Demo project for Spring Boot</description> | ||
|
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| <parent> | ||
| <groupId>com.xkcoding</groupId> | ||
| <artifactId>spring-boot-demo-parent</artifactId> | ||
| <version>0.0.1-SNAPSHOT</version> | ||
| <relativePath>../spring-boot-demo-parent/pom.xml</relativePath> | ||
| </parent> | ||
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| <properties> | ||
| <!--默认 Spring-Boot 依赖的 ES 版本是 2.X 版本，这里采用最新版--> | ||
| <elasticsearch.version>6.1.1</elasticsearch.version> | ||
| </properties> | ||
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| <dependencies> | ||
| <!-- ES --> | ||
| <dependency> | ||
| <groupId>org.elasticsearch.client</groupId> | ||
| <artifactId>transport</artifactId> | ||
| <version>${elasticsearch.version}</version> | ||
| </dependency> | ||
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| <dependency> | ||
| <groupId>org.apache.logging.log4j</groupId> | ||
| <artifactId>log4j-core</artifactId> | ||
| <version>2.7</version> | ||
| </dependency> | ||
| </dependencies> | ||
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| <build> | ||
| <finalName>spring-boot-demo-elasticsearch</finalName> | ||
| </build> | ||
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| </project> |
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