一、簡(jiǎn)介在分布式系統(tǒng)中，由于服務(wù)數(shù)量巨多，為了方便服務(wù)配置文件統(tǒng)一管理，實(shí)時(shí)更新，所以需要分布式配置中心組件。在Spring Cloud中，有分布式配置中心組件spring cloud config ，它支持配置服務(wù)放在配置服務(wù)的內(nèi)存中（即本地），也支持放在遠(yuǎn)程Git倉庫中。在spring cloud config 組件中，分兩個(gè)角色，一是config server，二是config client。 二、構(gòu)建Config Server創(chuàng)建一個(gè)spring-boot項(xiàng)目，取名為config-server,其pom.xml:  <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven./POM/4.0.0" xmlns:xsi="http://www./2001/XMLSchema-instance" xsi:schemaLocation="http://maven./POM/4.0.0 http://maven./xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.forezp</groupId> <artifactId>config-server</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>config-server</name> <description>Demo project for Spring Boot</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.2.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-config-server</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-eureka</artifactId> </dependency> </dependencies> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>Camden.SR6</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> <repositories> <repository> <id>spring-milestones</id> <name>Spring Milestones</name> <url>https://repo.spring.io/milestone</url> <snapshots> <enabled>false</enabled> </snapshots> </repository> </repositories> </project> 在程序的入口Application類加上@EnableConfigServer注解開啟配置服務(wù)器的功能，代碼如下： @SpringBootApplication @EnableConfigServer public class ConfigServerApplication { public static void main(String[] args) { SpringApplication.run(ConfigServerApplication.class, args); } } 需要在程序的配置文件application.properties文件配置以下： spring.application.name=config-server server.port=8888 spring.cloud.config.server.git.uri=https://github.com/forezp/SpringcloudConfig/ spring.cloud.config.server.git.searchPaths=respo spring.cloud.config.label=master spring.cloud.config.server.git.username=your username spring.cloud.config.server.git.password=your password
如果Git倉庫為公開倉庫，可以不填寫用戶名和密碼，如果是私有倉庫需要填寫，本例子是公開倉庫，放心使用。 遠(yuǎn)程倉庫https://github.com/forezp/SpringcloudConfig/ 中有個(gè)文件config-client-dev.properties文件中有一個(gè)屬性： foo = foo version 3 啟動(dòng)程序：訪問http://localhost:8888/foo/dev {"name":"foo","profiles":["dev"],"label":"master",
"version":"792ffc77c03f4b138d28e89b576900ac5e01a44b","state":null,"propertySources":[]}源碼結(jié)構(gòu)：
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