Spring Cloud 之分布式配置基础应用

分布式配置基础应用

配置中心服务

spring-config-server

pom.xml

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">    <modelVersion>4.0.0</modelVersion>    <groupId>org.galsang.cloud</groupId>    <artifactId>spring-config-server</artifactId>    <version>0.0.1-SNAPSHOT</version>    <packaging>jar</packaging>    <name>spring-config-server</name>    <description>配置中心服务</description>    <parent>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-starter-parent</artifactId>        <version>1.5.9.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>        <spring-cloud.version>Edgware.RELEASE</spring-cloud.version>    </properties>    <dependencies>        <dependency>            <groupId>org.springframework.cloud</groupId>            <artifactId>spring-cloud-config-server</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.cloud</groupId>            <artifactId>spring-cloud-starter-eureka</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>

application-dev.yml

spring:  profiles: dev  cloud:    inetutils:      preferred-networks:        - 192.168    config:      server:        git:          uri: https://gitee.com/vimx86/SpringCloud-Learning/ # git 配置仓库地址          search-paths: galsang-z-docs/config-repo          # 由于是公开git 仓库，故不使用账号密码#          username:#          password:  # git管理配置  # /{application}/{profile}[/{label}]  # /{application}-{profile}.yml  # /{label}/{application}-{profile}.yml  # /{application}-{profile}.properties  # /{label}/{application}-{profile}.properties  # http://www.galsang.org:9001/application-dev/dev/master  # http://www.galsang.org:9001/application/dev/master  # http://www.galsang.org:9001/application-dev.properties   默认使用master分支中的配置文件  # http://www.galsang.org:9001/dev/application-beta.properties 使用指定分支中的配置文件server:  port: 9001  context-path: /  display-name: www.galsang.org# 服务注册配置eureka:# 作为服务进行注册  client:    register-with-eureka: true    fetch-registry: true    enabled: true    service-url:      defaultZone: http://www.galsang.org:9000/eureka/  instance:    prefer-ip-address: true    instance-id: ${spring.application.name}:${server.display-name}:${server.port}    leaseRenewalIntervalInSeconds: 1    leaseExpirationDurationInSeconds: 2

SpringConfigServerApplication.java

package org.galsang.cloud;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.cloud.client.discovery.EnableDiscoveryClient;import org.springframework.cloud.config.server.EnableConfigServer;@SpringBootApplication@EnableConfigServer // 激活配置中心服务@EnableDiscoveryClient // 激活Eureka中的DiscoveryClient 服务发现public class SpringConfigServerApplication {    public static void main(String[] args) {        SpringApplication.run(SpringConfigServerApplication.class, args);    }}

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配置客户服务

spring-config-client

pom.xml

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">    <modelVersion>4.0.0</modelVersion>    <groupId>org.galsang.cloud</groupId>    <artifactId>spring-config-client</artifactId>    <version>0.0.1-SNAPSHOT</version>    <packaging>jar</packaging>    <name>spring-config-client</name>    <description>配置客户服务</description>    <parent>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-starter-parent</artifactId>        <version>1.5.9.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>        <spring-cloud.version>Edgware.RELEASE</spring-cloud.version>    </properties>    <dependencies>        <dependency>            <groupId>org.springframework.cloud</groupId>            <artifactId>spring-cloud-starter-config</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.cloud</groupId>            <artifactId>spring-cloud-starter-eureka</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-web</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>

bootstrap.yml

spring:  application:    name: spring-config-client  cloud:    config:      profile: dev # 环境      label: master # git 仓库分支      uri: http://www.galsang.org:9001/  # 配置中心地址server:  port: 9002  context-path: /  display-name: www.galsang.orgeureka:  client:    register-with-eureka: true    fetch-registry: true    enabled: true    service-url:      defaultZone: http://www.galsang.org:9000/eureka/  instance:      prefer-ip-address: true      instance-id: ${spring.application.name}:${server.display-name}:${server.port}      leaseRenewalIntervalInSeconds: 1      leaseExpirationDurationInSeconds: 2

SpringConfigServerApplication.java

package org.galsang.cloud;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.cloud.client.discovery.EnableDiscoveryClient;@SpringBootApplication@EnableDiscoveryClientpublic class SpringConfigClientApplication {    public static void main(String[] args) {        SpringApplication.run(SpringConfigClientApplication.class, args);    }}

TestConfigController.java

package org.galsang.cloud.controller;import org.springframework.beans.factory.annotation.Value;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;/** * Description：测试 使用 配置中心 配置文件的 接口 * <br /> Author： vimx86 */@RestControllerpublic class TestConfigController {    @Value("${from}")    private String from;    @RequestMapping("/from")    public String from() {        return from;    }}

效果预览

浏览器打开 http://www.galsang.org:9002/from

说明访问git仓库中的配置成功。

源码请移步： https://gitee.com/vimx86/SpringCloud-Learning

参考资料

• Spring Cloud基础教程