# 微服务平台（后端）

版本选择：
Spring Boot: 2.5.7
Spring Cloud:2020.0.5
Spring Cloud gateway: 3.0.6
Spring cloud Eureka: 3.0.5

# 1. Eureka-Server 配置

引入依赖：

	<dependencies>
	<dependency>
	<groupId>org.springframework.cloud</groupId>
	<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
	</dependency>
	</dependencies>

application.yml 文件：

	spring:
	application:
	name: guan-service-register

	server:
	port: 8888

	eureka:
	instance:
	hostname: 127.0.0.1
	client:
	register-with-eureka: false
	fetch-registry: false
	serviceUrl:
	defaultZone: http://localhost:${server.port}/eureka/

启动类：

	import org.springframework.boot.SpringApplication;
	import org.springframework.boot.autoconfigure.SpringBootApplication;
	import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;

	@SpringBootApplication
	@EnableEurekaServer
	public class ServiceRegisterApplication {

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

引入 maven 依赖：

	<dependencies>
	<dependency>
	<groupId>org.springframework.cloud</groupId>
	<artifactId>spring-cloud-starter-gateway</artifactId>
	</dependency>
	<dependency>
	<groupId>org.springframework.cloud</groupId>
	<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
	</dependency>
	<!--actuator 监控 -->
	<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-actuator</artifactId>
	</dependency>
	</dependencies>

application.yml 文件：

	server:
	port: 9000
	spring:
	application:
	name: guan-gateway
	cloud:
	gateway:
	discovery:
	locator:
	enabled: true
	lower-case-service-id: true
	# 配置路由
	routes:
	- id: oauth
	uri: lb://guan-auth
	predicates:
	- Path=/auth-api/**
	filters:
	- StripPrefix=1 # 跳过 1 级前缀，访问会映射到 lb://guan-auth/**
	logging:
	pattern:
	dateformat: HH:mm:ss.SSS

	eureka:
	instance:
	prefer-ip-address: true
	instance-id: ${spring.cloud.client.ip-address}:${server.port}
	client:
	service-url:
	defaultZone: http://127.0.0.1:8888/eureka/
	# 开放所有页面节点，默认只开启 health、info 两个节点
	management:
	endpoints:
	web:
	exposure:
	include: '*'

启动类：

	import org.springframework.boot.SpringApplication;
	import org.springframework.boot.autoconfigure.SpringBootApplication;

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

以 guan-auth 为例

maven 依赖：

	<dependencies>
	<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-web</artifactId>
	</dependency>
	<dependency>
	<groupId>mysql</groupId>
	<artifactId>mysql-connector-java</artifactId>
	</dependency>
	<dependency>
	<groupId>com.baomidou</groupId>
	<artifactId>mybatis-plus-boot-starter</artifactId>
	</dependency>
	<dependency>
	<groupId>edu.dublbo.platform</groupId>
	<artifactId>guan-common</artifactId>
	</dependency>

	<dependency>
	<groupId>org.springframework.cloud</groupId>
	<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
	</dependency>
	</dependencies>

application.yml 配置文件：

	# 服务启动的端口
	server:
	port: 8000

	spring:
	application:
	name: guan-auth

	logging:
	pattern:
	console: '%d{HH:mm:ss.SSS,CTT} %level (%file:%line\)- %m%n'

	eureka:
	instance:
	prefer-ip-address: true
	instance-id: ${spring.cloud.client.ip-address}:${server.port}
	client:
	# 注册到 Eureka 的注册中心
	# register-with-eureka: true
	# 获取注册实例列表
	# fetch-registry: true
	service-url:
	# 配置注册中心地址
	defaultZone: http://127.0.0.1:8888/eureka

启动类：

	import org.mybatis.spring.annotation.MapperScan;
	import org.springframework.boot.SpringApplication;
	import org.springframework.boot.autoconfigure.SpringBootApplication;
	import org.springframework.cloud.netflix.eureka.EnableEurekaClient;

	@SpringBootApplication
	@EnableEurekaClient
	public class GuanAuthApplication {
	public static void main(String[] args) {
	SpringApplication.run(GuanAuthApplication.class, args);
	}

	}

访问 auth 服务：