SpringCloud使用Zookeeper作为配置中心的示例

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.4.5</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.example</groupId>
	<artifactId>zkdemo</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>zkdemo</name>
	<description>Demo project for Spring Boot</description>
	<properties>
		<java.version>1.8</java.version>
		<spring-cloud.version>2020.0.2</spring-cloud.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-zookeeper-config</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>
	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>${spring-cloud.version}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

</project>

spring:
  application:
    name: zkdemo
  profiles:
    active: dev
  cloud:
    zookeeper:
      # Zookeeper服务器地址，集群使用逗号分隔
      connect-string: localhost:2181
  # 从Zookeeper中导入配置数据
  config:
    import: 'optional:zookeeper:'

server:
  port: 8005

[zk: localhost:2181(CONNECTED) 3] create /config
Created /config

[zk: localhost:2181(CONNECTED) 4] create /config/application
Created /config/application

[zk: localhost:2181(CONNECTED) 5] create /config/application/nickname1 布禾
Created /config/application/nickname1

[zk: localhost:2181(CONNECTED) 6] create /config/zkdemo,dev
Created /config/zkdemo,dev

[zk: localhost:2181(CONNECTED) 7] create /config/zkdemo,dev/nickname2 buhe
Created /config/zkdemo,dev/nickname2

@SpringBootTest
class ZkdemoApplicationTests {
	@Value("${nickname1}")
	private String nickname1;

	@Value("${nickname2}")
	private String nickname2;

	@Test
	public void testZkConfig() {
		System.out.println("从application全局配置中读取配置：nickname1=" + nickname1);
		System.out.println("从zkdemo服务配置中读取配置：nickname2=" + nickname2);
	}
}

spring:
  cloud:
    zookeeper:
      config:
        enabled: true
        root: configuration
        default-context: apps
        profile-separator: '::'