详解使用spring cloud config来统一管理配置文件

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/taotao?useUnicode=true&characterEncoding=utf8&autoReconnect=true&allowMultiQueries=true
jdbc.username=root
jdbc.password=root

microservice-dev.properties
microservice-production.properties
microservice-test.properties

<parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>1.5.4.RELEASE</version>
</parent>

<!-- 导入Spring Cloud的依赖管理 -->
<dependencyManagement>
  <dependencies>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-dependencies</artifactId>
      <version>Dalston.SR3</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-eureka-server</artifactId>
      <exclusions>
        <exclusion>           
          <groupId>com.fasterxml.jackson.dataformat</groupId>
          <artifactId>jackson-dataformat-xml</artifactId>
        </exclusion>
      </exclusions>
    </dependency>
  </dependencies>
</dependencyManagement>

<dependencies>
  <dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-config-server</artifactId>
  </dependency>
  <!-- 使用bus总线的方式通知所有的微服务配置文件需要刷新 -->
  <dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-starter-bus-amqp</artifactId>
  </dependency>
</dependencies>

<build>
  <finalName>${project.artifactId}</finalName>
  <plugins>
    <!-- 资源文件拷贝插件 -->
    <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-resources-plugin</artifactId>
      <configuration>
        <encoding>UTF-8</encoding>
      </configuration>
    </plugin>
    <!-- java编译插件 -->
    <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-compiler-plugin</artifactId>
      <configuration>
        <source>1.8</source>
        <target>1.8</target>
        <encoding>UTF-8</encoding>
      </configuration>
    </plugin>
  </plugins>
</build>

@EnableDiscoveryClient
@EnableConfigServer //开启配置服务
@SpringBootApplication
public class ConfigApplication {

  public static void main(String[] args) {
    SpringApplication.run(ConfigApplication.class, args);
  }

}

server:
 port: 6688 #服务端口

spring: 
 application: 
  name: microservice-config-server #指定服务名
 cloud: 
  config:
   server:
    git: #配置git仓库地址
     uri: 具体的配置文件的git地址
     #username: 
     #password:
 rabbitmq: #RabbitMQ相关的配置
  host: 127.0.0.1
  port: 5672
  username: guest
  password: guest

eureka: 
 client:
  registerWithEureka: true #是否将自己注册到Eureka服务中，默认为true
  fetchRegistry: true #是否从Eureka中获取注册信息，默认为true
  serviceUrl: #Eureka客户端与Eureka服务端进行交互的地址
   defaultZone: http://cloud:cloud@127.0.0.1:6868/eureka/
 instance: 
  prefer-ip-address: true #将自己的ip地址注册到Eureka服务中
  ipAddress: 127.0.0.1
management:
 security:
  enabled: false #是否开启actuator安全认证

/{application}/{profile}/[label]
/{application}-{profile}.yml
/{label}/{application}-{profile}.yml
/{application}-{profile}.properties
/{label}/{application}-{profile}.properties
其中{label}是指分支，默认是master。

<dependency>
  <groupId>org.springframework.cloud</groupId>
  <artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
  <groupId>org.springframework.cloud</groupId>
  <artifactId>spring-cloud-starter-bus-amqp</artifactId>
</dependency>

eureka:
 client:
  serviceUrl: #Eureka客户端与Eureka服务端进行交互的地址
   defaultZone: http://cloud:cloud@127.0.0.1:6868/eureka/
spring:
 cloud:
  config:
   name: microservice #对应的配置服务中的应用名称
   profile: dev #对应配置服务中的{profile}
   label: master #对应的分支
   discovery: 
    enabled: true #启用发现服务功能
    service-id: microservice-config-server #指定服务名称
 spring: 
 application: 
  name: itcasst-microservice-config-server #指定服务名
 cloud: 
  config:
   server:
    git: #配置git仓库地址
     uri: http://172.16.55.138:10080/zhangzhijun/itcast-config-server.git
     #username: zhangzhijun
     #password: 123456
 rabbitmq: #RabbitMQ相关的配置
  host: 127.0.0.1
  port: 5672
  username: guest
  password: guest

management:
 security:
  enabled: false #是否开启actuator安全认证

@RefreshScope
@Component//加入到Spring容器
public class JdbcConfigBean {

  @Value("${jdbc.url}")
  private String url;

  @Value("${jdbc.username}")
  private String username;

  @Value("${jdbc.password}")
  private String password;

  @Value("${jdbc.driverClassName}")
  private String driverClassName;

  public String getUrl() {
    return url;
  }

  public void setUrl(String url) {
    this.url = url;
  }

  public String getUsername() {
    return username;
  }

  public void setUsername(String username) {
    this.username = username;
  }

  public String getPassword() {
    return password;
  }

  public void setPassword(String password) {
    this.password = password;
  }

  public String getDriverClassName() {
    return driverClassName;
  }

  public void setDriverClassName(String driverClassName) {
    this.driverClassName = driverClassName;
  }

  @Override
  public String toString() {
    return "JdbcConfigBean [url=" + url + ", username=" + username
        + ", password=" + password + ", driverClassName="
        + driverClassName + "]";
  }

}