springCloud Config 服务端和客户端的配置和适应

是什么？

springCloud     config 

      为微服务提供集中化的外部配置支持，配置服务器为各个不同服务应用的所有环境提供可一个中心化的尾部配置

怎么玩？

springCloud     config  分服务端和客户端两部分

服务端

1：

	<dependencies>
		<!-- springCloud Config -->
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-config-server</artifactId>
		</dependency>
		<!-- 避免Config的Git插件报错：org/eclipse/jgit/api/TransportConfigCallback -->
		<dependency>
			<groupId>org.eclipse.jgit</groupId>
			<artifactId>org.eclipse.jgit</artifactId>
			<version>4.10.0.201712302008-r</version>
		</dependency>
		<!-- 图形化监控 -->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-actuator</artifactId>
		</dependency>
		<!-- 熔断 -->
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-hystrix</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-eureka</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-config</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-jetty</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>
		</dependency>
		<!-- 热部署插件 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>springloaded</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-devtools</artifactId>
		</dependency>

2：

server: 
  port: 3344 
  
spring:
  application:
    name:  microservicecloud-config
  cloud:
    config:
      server:
        git:
          uri: [email protected]:wukn2018/springcloudConfig.git #GitHub上面的git仓库名字
 

3：

客户端：

1：

<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>

	<parent>
		<groupId>com.atguigu.springcloud</groupId>
		<artifactId>microservicecloud</artifactId>
		<version>0.0.1-SNAPSHOT</version>
	</parent>

	<artifactId>microservicecloud-config-client-3355</artifactId>


	<dependencies>
		<!-- SpringCloud Config客户端 -->
		<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-hystrix</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-eureka</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-config</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-jetty</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>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>springloaded</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-devtools</artifactId>
		</dependency>
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter-api</artifactId>
            <version>RELEASE</version>
        </dependency>
    </dependencies>
</project>
 

2：

spring:
  cloud:
    config:
      name: application-dev #需要从github上读取的资源名称，注意没有yml后缀名
      profile: test   #本次访问的配置项
      label: master   
      uri: http://localhost:3344  #本微服务启动后先去找3344号服务，通过SpringCloudConfig获取GitHub的服务地址
 

spring:
  application:
    name: microservicecloud-config-client

3：测试

package com.atguigu.springcloud.rest;

import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class ConfigClientRest
{

//	@Value("${spring.application.name}")
//	private String applicationName;
//
//	@Value("${eureka.client.service-url.defaultZone}")
//	private String eurekaServers;

	@Value("${server.port}")
	private String port;

	@RequestMapping("/config")
	public String getConfig()
	{
		String str = "\t port: " + port;
		System.out.println("******str: " + str);
		return  port+"";
	}



	@Test
	public void test01() {
		System.out.println("ww");
	}


}