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第 22 章 Elasticsearch API

目錄

22.1. Client
22.2. insert
22.3. Get
22.4. delete
22.5. Search
22.6. Query 查詢
22.6.1. match all 匹配所有數據
22.6.2. match 匹配查詢
22.6.3. match phrase 短語精準匹配
22.7. Filter 過濾
22.7.1. term
22.7.2. range
22.8. Sorting
22.9. 返回 Source 欄位
22.10. Count
22.11. Example 範例
22.11.1. Spring boot 案例
22.12. FAQ
22.12.1. 顯示查詢 JSON 字元串
	
<?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") //集群名稱
					.put("client.transport.sniff", true) //自動嗅探
					.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));