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第 21 章 Elasticsearch API

目录

21.1. Client
21.2. insert
21.3. Get
21.4. delete
21.5. Search
21.6. Query 查询
21.6.1. match all 匹配所有数据
21.6.2. match 匹配查询
21.6.3. match phrase 短语精准匹配
21.7. Filter 过滤
21.7.1. term
21.7.2. range
21.8. Sorting
21.9. 返回 Source 字段
21.10. Count
21.11. Example 范例
21.11.1. Spring boot 案例
21.12. FAQ
21.12.1. 显示查询 JSON 字符串
	
<?xml version="1.0"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>cn.netkiller</groupId>
		<artifactId>example</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</parent>
	<groupId>cn.netkiller</groupId>
	<artifactId>elastic</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>elastic</name>
	<url>http://maven.apache.org</url>
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>
	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>org.elasticsearch</groupId>
			<artifactId>elasticsearch</artifactId>
			<version>5.6.3</version>
		</dependency>
		<dependency>
			<groupId>org.elasticsearch.client</groupId>
			<artifactId>transport</artifactId>
			<version>5.6.3</version>
		</dependency>
		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-api</artifactId>
			<version>2.8.2</version>
		</dependency>
		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-core</artifactId>
			<version>2.8.2</version>
		</dependency>

	</dependencies>
</project>
	
	
	

21.1. Client

		
Settings settings = Settings.builder()
					.put("cluster.name", "elasticsearch") //集群名称
					.put("client.transport.sniff", true) //自动嗅探
					.put("discovery.type", "zen")
					.put("discovery.zen.minimum_master_nodes", 1)
					.put("discovery.zen.ping_timeout", "500ms")
					.put("discovery.initial_state_timeout", "500ms")
					.build();
Client client = new PreBuiltTransportClient(settings)	.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName(ip), 9300));