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第 22 章 Elasticsearch API

目录

22.1. Client
22.2. insert
22.3. Get
22.4. delete
22.5. Search
22.6. Query 查询
22.6.1. match all 匹配所有数据
22.6.2. match 匹配查询
22.6.3. match phrase 短语精准匹配
22.7. Filter 过滤
22.7.1. term
22.7.2. range
22.8. Sorting
22.9. 返回 Source 字段
22.10. Count
22.11. Example 范例
22.11.1. Spring boot 案例
22.12. FAQ
22.12.1. 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>
	
	
	

22.1. 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));